| V-98227 | High | IBM RACF must be installed and active on the system. | Enterprise environments make account management for operating systems challenging and complex. A manual process for account management functions adds the risk of a potential oversight or other... |
| V-98419 | High | IBM z/OS UID(0) must be properly assigned. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98037 | High | IBM RACF access to the System Master Catalog must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98039 | High | IBM RACF must limit Write or greater access to SYS1.UADS to system programmers only, and WRITE or greater access must be limited to system programmer personnel and/or security personnel. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98041 | High | IBM z/OS must protect dynamic lists in accordance with proper security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98383 | High | The IBM z/OS UNIX SUPERUSER resource must be protected in accordance with guidelines. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98113 | High | IBM RACF must define WARN = NO on all profiles. | Failure to restrict system access to authenticated users negatively impacts operating system security. |
| V-98115 | High | The IBM RACF PROTECTALL SETROPTS value specified must be properly set. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98055 | High | IBM RACF must limit Write or greater access to SYS1.SVCLIB to appropriate authorized users. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98057 | High | IBM RACF must limit Write or greater access to SYS1.LPALIB to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98053 | High | IBM RACF must limit Write or greater access to SYS1.IMAGELIB to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98059 | High | IBM z/OS libraries included in the system REXXLIB concatenation must be properly protected. | Access control policies include: identity-based policies, role-based policies, and attribute-based policies. Access enforcement mechanisms include: access control lists, access control matrices,... |
| V-98323 | High | The IBM z/OS must implement DoD-approved encryption to protect the confidentiality of remote access sessions. | Without cryptographic integrity protections, information can be altered by unauthorized users without detection.
Remote access (e.g., RDP) is access to DoD nonpublic information systems by an... |
| V-98321 | High | The IBM RACF SSH daemon must be configured to use a FIPS 140-2 compliant cryptographic algorithm. | Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. Cryptographic modules must adhere to the higher standards approved by the federal... |
| V-98327 | High | IBM z/OS SSH daemon must be configured to only use the SSHv2 protocol. | In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must... |
| V-98101 | High | IBM z/OS SYS1.PARMLIB must be properly protected. | Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel may be able to prevent the auditing of critical events. Misconfigured... |
| V-98061 | High | IBM RACF must limit write or greater access to all LPA libraries to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98063 | High | IBM RACF must limit Write or greater access to libraries containing EXIT modules to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98069 | High | IBM RACF must limit WRITE or greater access to all APF-authorized libraries to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98079 | High | IBM RACF must limit all system PROCLIB data sets to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98075 | High | IBM RACF security data sets and/or databases must be properly protected. | The External Security Manager (ESM) database files contain all access control information for the operating system environment and system resources. Unauthorized access could result in the... |
| V-98073 | High | The IBM RACF System REXX IRRPWREX security data set must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98261 | High | IBM RACF must define UACC of NONE on all profiles. | The operating system must employ a deny-all, permit-by-exception policy to allow the execution of authorized software programs. |
| V-98269 | High | Unsupported system software must not be installed and/ or active on the system. | Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may provide a capability that runs counter to the mission or provides users... |
| V-98165 | High | NIST FIPS-validated cryptography must be used to protect passwords in the security database. | Password complexity is one factor of several that determines how long it takes to crack a password. The more complex the password, the greater the number of possible combinations that need to be... |
| V-98003 | High | IBM RACF must limit Write or greater access to SYS1.NUCLEUS to system programmers only. | This data set contains a large portion of the system initialization (IPL) programs and pointers to the master and alternate master catalog. Unauthorized access could result in the compromise of... |
| V-98381 | High | IBM RACF LOGONIDs must not be defined to SYS1.UADS for non-emergency use. | Privileged functions include, for example, establishing accounts, performing system integrity checks, or administering cryptographic key management activities. Non-privileged users are individuals... |
| V-98025 | Medium | IBM RACF CLASSACT SETROPTS must be specified for the TEMPDSN class. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98027 | Medium | IBM RACF started tasks defined with the trusted attribute must be justified. | Trusted Started tasks bypass RACF checking. It is vital that this attribute is NOT granted to unauthorized Started Tasks which could then obtain unauthorized access to the system. This could... |
| V-98021 | Medium | The IBM RACF OPERCMDS resource class must be active. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98229 | Medium | The IBM z/OS System Administrator (SA) must develop a process to disable emergency accounts after the crisis is resolved or 72 hours. | Emergency accounts are privileged accounts that are established in response to crisis situations where the need for rapid account activation is required. Therefore, emergency account activation... |
| V-98225 | Medium | IBM z/OS SMF recording options for the TN3270 Telnet Server must be properly specified. | The TN3270 Telnet Server can provide audit data in the form of SMF records. The SMF data produced provides information about individual sessions. This data includes the VTAM application, the... |
| V-98029 | Medium | IBM RACF USERIDs possessing the Tape Bypass Label Processing (BLP) privilege must be justified. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98221 | Medium | IBM z/OS must configure system wait times to protect resource availability based on site priorities. | Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of network connections that are associated with communications sessions... |
| V-98389 | Medium | IBM RACF classes required to properly secure the z/OS UNIX environment must be ACTIVE. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98149 | Medium | The IBM RACF Automatic Data Set Protection (ADSP) SETROPTS value must be set to NOADSP. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98147 | Medium | IBM z/OS Started Tasks must be properly defined to RACF. | Started procedures have system generated job statements that do not contain the user, group, or password statements. To enable the started procedure to access the same protected resources that... |
| V-98145 | Medium | IBM z/OS Started Tasks must be properly identified to RACF. | Started procedures have system generated job statements that do not contain the user, group, or password statements. To enable the started procedure to access the same protected resources that... |
| V-98155 | Medium | IBM RACF PASSWORD(RULEn) SETROPTS value(s) must be properly set. | The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised.
Password complexity, or strength, is a measure of the... |
| V-98143 | Medium | IBM interactive USERIDs defined to RACF must have the required fields completed. | Interactive users are considered to be users of CICS, IMS, TSO/E, NetView, or other products that support logging on at a terminal. Improper assignments of attributes in the LOGONID record for... |
| V-98159 | Medium | The IBM RACF SETROPTS PASSWORD(MINCHANGE) value must be set to 1. | Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and... |
| V-98141 | Medium | IBM RACF users must have the required default fields. | Ensure that Every USERID is uniquely identified to the system. Within the USERID record, the user's name, default group, the owner, and the user's passdate or phrasedate fields are completed. This... |
| V-97997 | Medium | Certificate Name Filtering must be implemented with appropriate authorization and documentation. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98023 | Medium | The IBM RACF MCS consoles resource class must be active. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98425 | Medium | The IBM z/OS user account for the UNIX kernel (OMVS) must be properly defined to the security database. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system. |
| V-98313 | Medium | IBM z/OS system administrator must develop a procedure to remove all software components after updated versions have been installed. | Previous versions of software components that are not removed from the information system after updates have been installed may be exploited by adversaries. Some information technology products... |
| V-98311 | Medium | IBM z/OS system administrator must develop a procedure to terminate all sessions and network connections related to nonlocal maintenance when nonlocal maintenance is completed. | If a maintenance session or connection remains open after maintenance is completed, it may be hijacked by an attacker and used to compromise or damage the system.
Some maintenance and test tools... |
| V-98093 | Medium | The IBM z/OS JES(XBMALLRACF) SETROPTS value must be set to JES(XBMALLRACF). | In certain situations, software applications/programs need to execute with elevated privileges to perform required functions. However, if the privileges required for execution are at a higher... |
| V-98317 | Medium | IBM z/OS system administrator must develop a procedure to offload SMF files to a different system or media than the system being audited. | Information stored in one location is vulnerable to accidental or incidental deletion or alteration.
Off-loading is a common process in information systems with limited audit storage capacity. |
| V-98095 | Medium | IBM RACF OPERAUDIT SETROPTS value must set to OPERAUDIT. | Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external entities that have compromised information system accounts, is a serious... |
| V-98315 | Medium | IBM z/OS must shut down the information system, restart the information system, and/or notify the system administrator when anomalies in the operation of any security functions are discovered. | If anomalies are not acted upon, security functions may fail to secure the system.
Security function is defined as the hardware, software, and/or firmware of the information system responsible... |
| V-98097 | Medium | The IBM RACF PASSWORD(REVOKE) SETROPTS value must be specified to revoke the userid after three invalid logon attempts. | By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by... |
| V-98099 | Medium | The IBM RACF PASSWORD(REVOKE) SETROPTS value must be set to automatically lock an account until the locked account is released by an administrator when three unsuccessful logon attempts in 15 minutes occur. | By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute-force attacks, is reduced. Limits are imposed by... |
| V-98319 | Medium | IBM z/OS SMF recording options for the SSH daemon must be configured to write SMF records for all eligible events. | SMF data collection is the basic unit of tracking of all system functions and actions. Included in this tracking data are the audit trails from each of the ACPs. If the control options for the... |
| V-98251 | Medium | IBM z/OS BUFUSEWARN in the SMFPRMxx must be properly set. | It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required. Without this notification, the security personnel may be unaware of an... |
| V-98257 | Medium | IBM z/OS SNTP daemon (SNTPD) permission bits must be properly configured. | Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time, a particular event occurred on a system is critical when... |
| V-98255 | Medium | The IBM z/OS SNTP daemon (SNTPD) must be active. | Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when... |
| V-98033 | Medium | IBM Sensitive Utility Controls must be properly defined and protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98031 | Medium | IBM RACF DASD volume-level protection must be properly defined. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98035 | Medium | IBM RACF Global Access Checking must be restricted to appropriate classes and resources. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98223 | Medium | The IBM z/OS BPX.SMF resource must be properly configured. | Remote access services, such as those providing remote access to network devices and information systems, which lack automated monitoring capabilities, increase risk and make remote user access... |
| V-97999 | Medium | Expired digital certificates must not be used. | The longer and more often a key is used, the more susceptible it is to loss or discovery. This weakens the assurance provided to a relying Party that the unique binding between a key and its named... |
| V-98233 | Medium | The IBM z/OS System Administrator (SA) must develop a process to notify appropriate personnel when accounts are modified. | Audit tools include, but are not limited to, vendor-provided and open source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools... |
| V-98429 | Medium | The IBM z/OS user account for the UNIX (RMFGAT) must be properly defined. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98089 | Medium | The IBM RACF JES(BATCHALLRACF) SETROPTS value must be set to JES(BATCHALLRACF). | In certain situations, software applications/programs need to execute with elevated privileges to perform required functions. However, if the privileges required for execution are at a higher... |
| V-98139 | Medium | IBM z/OS must properly protect MCS console userid(s). | In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must... |
| V-98133 | Medium | IBM RACF use of the RACF SPECIAL Attribute must be justified. | The organization must perform a periodic scan/review of the application (as required by CCI-000384) and disable functions, ports, protocols, and services deemed to be unneeded or non-secure. |
| V-98131 | Medium | IBM z/OS Batch job user IDs must be properly defined. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98137 | Medium | IBM z/OS must properly configure CONSOLxx members. | In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must... |
| V-98135 | Medium | IBM RACF assignment of the RACF OPERATIONS attribute to individual userids must be fully justified. | This requirement is intended to cover both traditional interactive logons to information systems and general accesses to information systems that occur in other types of architectural... |
| V-98427 | Medium | The IBM z/OS user account for the z/OS UNIX SUPERUSER userid must be properly defined. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98301 | Medium | IBM z/OS must employ a session manager to manage retaining a users session lock until that user reestablishes access using established identification and authentication procedures. | A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the... |
| V-98303 | Medium | IBM z/OS system administrator must develop a procedure to remove or disable temporary user accounts after 72 hours. | Emergency accounts are privileged accounts that are established in response to crisis situations where the need for rapid account activation is required. Therefore, emergency account activation... |
| V-98305 | Medium | IBM z/OS system administrator must develop a procedure to remove or disable emergency accounts after the crisis is resolved or 72 hours. | IBM z/OS system administrator must develop a procedure to remove or disable emergency accounts after the crisis is resolved or 72 hours. |
| V-98307 | Medium | IBM z/OS system administrator must develop a procedure to notify designated personnel if baseline configurations are changed in an unauthorized manner. | Unauthorized changes to the baseline configuration could make the system vulnerable to various attacks or allow unauthorized access to the operating system. Changes to operating system... |
| V-98309 | Medium | IBM z/OS system administrator must develop a procedure to provide an audit reduction capability that supports on-demand reporting requirements. | The ability to generate on-demand reports, including after the audit data has been subjected to audit reduction, greatly facilitates the organization's ability to generate incident reports as... |
| V-98395 | Medium | IBM z/OS UNIX resources must be protected in accordance with security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98209 | Medium | IBM z/OS JESNEWS resources must be protected in accordance with security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98443 | Medium | The IBM z/OS UNIX Telnet server warning banner must be properly specified. | Display of a standardized and approved use notification before granting access to the publicly accessible operating system ensures privacy and security notification verbiage used is consistent... |
| V-98435 | Medium | The IBM z/OS startup user account for the z/OS UNIX Telnet Server must be properly defined. | The PROFILE.TCPIP configuration file provides system operation and configuration parameters for the TN3270 Telnet Server. Several of these parameters have potential impact to system security.... |
| V-98111 | Medium | IBM RACF SETROPTS RVARYPW values must be properly set. | Failure to provide logical access restrictions associated with changes to system configuration may have significant effects on the overall security of the system.
When dealing with access... |
| V-98433 | Medium | IBM z/OS attributes of UNIX user accounts used for account modeling must be defined in accordance with security requirements. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98431 | Medium | IBM z/OS UNIX user accounts must be properly defined. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98201 | Medium | IBM z/OS JES2 input sources must be properly controlled. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98203 | Medium | IBM z/OS JES2 output devices must be controlled in accordance with the proper security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98205 | Medium | IBM z/OS JES2 output devices must be properly controlled for classified systems. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98117 | Medium | The IBM RACF GRPLIST SETROPTS value must be set to ACTIVE. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98207 | Medium | IBM z/OS JESSPOOL resources must be protected in accordance with security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98439 | Medium | The IBM z/OS UNIX Telnet Server etc/banner file must have the Standard Mandatory DoD Notice and Consent Banner. | A logon banner can be used to inform users about the environment during the initial logon. Logon banners are used to warn users against unauthorized entry and the possibility of legal action for... |
| V-98047 | Medium | IBM RACF must limit access to SYS(x).TRACE to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98129 | Medium | The IBM RACF database must be backed up on a scheduled basis. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98045 | Medium | IBM RACF must limit WRITE or greater access to System backup files to system programmers and/or batch jobs that perform DASD backups. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98043 | Medium | IBM RACF allocate access to system user catalogs must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98415 | Medium | IBM z/OS UNIX HFS MapName files security parameters must be properly specified. | Removal of unneeded or non-secure functions, ports, protocols, and services mitigate the risk of unauthorized connection of devices, unauthorized transfer of information, or other exploitation of... |
| V-98289 | Medium | IBM z/OS sensitive and critical system data sets must not exist on shared DASDs. | Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of information, produced by the actions of prior users/roles (or the actions of... |
| V-98121 | Medium | The IBM RACF TAPEDSN SETROPTS value specified must be properly set. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98123 | Medium | The IBM RACF WHEN(PROGRAM) SETROPTS value specified must be active. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98125 | Medium | IBM RACF use of the AUDITOR privilege must be justified. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98049 | Medium | IBM RACF batch jobs must be properly secured. | Batch jobs that are submitted to the operating system should inherit the USERID of the submitter. This will identify the batch job with a userid for the purpose of accessing resources.... |
| V-98127 | Medium | The IBM RACF database must be on a separate physical volume from its backup and recovery datasets. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98161 | Medium | IBM RACF SETROPTS PASSWORD(INTERVAL) must be set to 60 days. | Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If the operating system does not limit the lifetime of passwords and force... |
| V-98385 | Medium | IBM z/OS BPX resource(s) must be protected in accordance with security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98339 | Medium | IBM z/OS DFSMS control data sets must be protected in accordance with security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98335 | Medium | The IBM z/OS Syslog daemon must be properly defined and secured. | The Syslog daemon, known as syslogd, is a zOS UNIX daemon that provides a central processing point for log messages issued by other zOS UNIX processes. It is also possible to receive log messages... |
| V-98337 | Medium | IBM z/OS DFSMS Program Resources must be properly defined and protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98387 | Medium | IBM z/OS UNIX MVS HFS directories with other write permission bit set must be properly defined. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98331 | Medium | IBM z/OS permission bits and user audit bits for HFS objects that are part of the Syslog daemon component must be properly configured. | HFS directories and files of the Syslog daemon provide the configuration and executable properties of this product. Failure to properly secure these objects could lead to unauthorized access. This... |
| V-98333 | Medium | The IBM z/OS Syslog daemon must be started at z/OS initialization. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98441 | Medium | IBM z/OS UNIX Telnet server Startup parameters must be properly specified. | The z/OS UNIX Telnet Server (i.e., otelnetd) provides interactive access to the z/OS UNIX shell. During the initialization process, startup parameters are read to define the characteristics of... |
| V-98447 | Medium | IBM z/OS VTAM USSTAB definitions must not be used for unsecured terminals. | If the operating system were to allow any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part... |
| V-98359 | Medium | IBM z/OS data sets for the Base TCP/IP component must be properly protected. | MVS data sets of the Base TCP/IP component provide the configuration, operational, and executable properties of IBMs TCP/IP system product. Failure to properly secure these data sets may lead to... |
| V-98357 | Medium | The IBM RACF SERVAUTH resource class must be active for TCP/IP resources. | Access control policies include: identity-based policies, role-based policies, and attribute-based policies. Access enforcement mechanisms include: access control lists, access control matrices,... |
| V-98119 | Medium | The IBM RACF RETPD SETROPTS value specified must be properly set. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98355 | Medium | The IBM RACF SERVAUTH resource class must be active for TCP/IP resources. | IBM Provides the SERVAUTH Class for use in protecting a variety of TCP/IP features/functions/products both IBM and third-party. Failure to activate this class will result in unprotected resources.... |
| V-98353 | Medium | IBM z/OS TCP/IP resources must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98351 | Medium | IBM z/OS permission bits and user audit bits for HFS objects that are part of the Base TCP/IP component must be properly configured. | HFS directories and files of the Base TCP/IP component provide the configuration, operational, and executable properties of IBMs TCP/IP system product. Failure to properly secure these objects may... |
| V-98051 | Medium | IBM RACF batch jobs must be protected with propagation control. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98249 | Medium | IBM z/OS system administrators must develop an automated process to collect and retain SMF data. | Information stored in one location is vulnerable to accidental or incidental deletion or alteration.
Off-loading is a common process in information systems with limited audit storage capacity. |
| V-98297 | Medium | IBM z/OS must employ a session manager to manage session lock after a 15-minute period of inactivity. | A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not log out because of the... |
| V-98295 | Medium | The IBM z/OS must employ a session manager that conceals, via the session lock, information previously visible on the display with a publicly viewable image. | A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not log out because of the temporary nature... |
| V-98291 | Medium | The IBM z/OS Policy Agent must contain a policy that protects against or limits the effects of denial-of-service (DoS) attacks by ensuring the operating system is implementing rate-limiting measures on impacted network interfaces. | DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. |
| V-98299 | Medium | IBM z/OS must employ a session for users to directly initiate a session lock for all connection types. | A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the... |
| V-98109 | Medium | IBM z/OS must limit access for SMF collection files (i.e., SYS1.MANx) to appropriate users and/or batch jobs that perform SMF dump processing. | SMF data collection is the system activity journaling facility of the z/OS system. Unauthorized access could result in the compromise of logging and recording of the operating system environment,... |
| V-98153 | Medium | The IBM RACF INACTIVE SETROPTS value must be set to 35 days. | Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potentially obtain undetected access to the system. Owners of inactive... |
| V-98157 | Medium | IBM RACF exit ICHPWX01 must be installed and properly configured. | Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in... |
| V-98329 | Medium | IBM z/OS, for PKI-based authentication, must use the ESM for key management. | Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the individual user or group will not be available for forensic analysis. |
| V-98413 | Medium | IBM z/OS default profiles must be defined in the corresponding FACILITY Class Profile for classified systems. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98325 | Medium | The SSH daemon must be configured with the Standard Mandatory DoD Notice and Consent Banner. | Display of a standardized and approved use notification before granting access to the publicly accessible operating system ensures privacy and security notification verbiage used is consistent... |
| V-98103 | Medium | IBM z/OS SETROPTS Parm must be set to SAUDIT. | Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an... |
| V-98107 | Medium | The IBM RACF REALDSN SETROPTS value must be specified. | Without information that establishes the identity of the subjects (i.e., users or processes acting on behalf of users) associated with the events, security personnel cannot determine... |
| V-98235 | Medium | The IBM z/OS System Administrator (SA) must develop a process to notify appropriate personnel when accounts are deleted. | Audit tools include, but are not limited to, vendor-provided and open source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools... |
| V-98105 | Medium | The IBM RACF SETROPTS SAUDIT value must be specified. | Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an... |
| V-98345 | Medium | IBM z/OS using DFSMS must properly specify SYS(x).PARMLIB(IGDSMSxx), SMS parameter settings. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98347 | Medium | IBM z/OS PROFILE.TCPIP configuration statements for the TCP/IP stack must be coded properly. | Remote access services, such as those providing remote access to network devices and information systems, which lack automated monitoring capabilities, increase risk and make remote user access... |
| V-98341 | Medium | IBM z/OS DFSMS-related RACF classes must be active. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98343 | Medium | IBM z/OS DFSMS resources must be protected in accordance with the proper security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98393 | Medium | IBM z/OS UNIX security parameters in /etc/rc must be properly specified. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98065 | Medium | IBM RACF must limit WRITE or greater access to all system-level product installation libraries to system programmers. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98067 | Medium | IBM RACF must limit access to SYSTEM DUMP data sets to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98411 | Medium | IBM z/OS UNIX BPXPRMxx security parameters in PARMLIB must be properly specified. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98391 | Medium | IBM z/OS UNIX security parameters in etc/profile must be properly specified. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98397 | Medium | IBM z/OS UNIX MVS data sets or HFS objects must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98293 | Medium | The IBM z/OS Policy Agent must contain a policy that manages excess capacity, bandwidth, or other redundancy to limit the effects of information flooding types of denial-of-service (DoS) attacks. | DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot accomplish its mission or must operate at degraded capacity. |
| V-98217 | Medium | IBM z/OS surrogate users must be controlled in accordance with proper security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98259 | Medium | IBM z/OS PARMLIB CLOCKxx must have the Accuracy PARM properly coded. | Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when... |
| V-98199 | Medium | IBM z/OS JES2 input sources must be controlled in accordance with the proper security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98213 | Medium | IBM z/OS JES2 spool resources must be controlled in accordance with security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98211 | Medium | IBM z/OS JESTRACE and/or SYSLOG resources must be protected in accordance with security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98445 | Medium | IBM z/OS System datasets used to support the VTAM network must be properly secured. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98197 | Medium | IBM z/OS RJE workstations and NJE nodes must be defined to the FACILITY resource class. | Access control policies include: identity-based policies, role-based policies, and attribute-based policies. Access enforcement mechanisms include: access control lists, access control matrices,... |
| V-98191 | Medium | The IBM z/OS FTP server daemon must be defined with proper security parameters. | The FTP Server daemon requires special privileges and access to sensitive resources to provide its system services. Failure to properly define and control the FTP Server daemon could lead to... |
| V-98193 | Medium | IBM FTP.DATA configuration for the FTP server must have the INACTIVE statement properly set. | Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port... |
| V-98219 | Medium | IBM z/OS RJE workstations and NJE nodes must be controlled in accordance with security requirements. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98379 | Medium | IBM Z/OS TSOAUTH resources must be restricted to authorized users. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98215 | Medium | IBM z/OS JES2 system commands must be protected in accordance with security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98371 | Medium | IBM z/OS TN3270 Telnet Server configuration statement MSG10 text must have the Standard Mandatory DoD Notice and Consent Banner. | Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal... |
| V-98373 | Medium | The IBM z/OS warning banner for the TN3270 Telnet server must be properly specified. | System use notifications are required only for access via logon interfaces with human users and are not required when such human interfaces do not exist. |
| V-98375 | Medium | IBM z/OS VTAM session setup controls for the TN3270 Telnet server must be properly specified. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98377 | Medium | The IBM z/OS PROFILE.TCPIP configuration for the TN3270 Telnet server must have the INACTIVE statement properly specified. | Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port... |
| V-98177 | Medium | IBM z/OS data sets for the FTP server must be properly protected. | MVS data sets of the FTP Server provide the configuration and operational characteristics of this product. Failure to properly secure these data sets may lead to unauthorized access resulting in... |
| V-98195 | Medium | IBM z/OS startup parameters for the FTP server must have the INACTIVE statement properly set. | To address access requirements, many operating systems can be integrated with enterprise-level authentication/access/auditing mechanisms that meet or exceed access control policy requirements. |
| V-98175 | Medium | IBM RACF permission bits and user audit bits for HFS objects that are part of the FTP server component must be properly configured. | MVS data sets of the FTP Server provide the configuration and operational characteristics of this product. Failure to properly secure these data sets may lead to unauthorized access resulting in... |
| V-98173 | Medium | IBM z/OS SMF recording options for the FTP Server must be configured to write SMF records for all eligible events. | The FTP Server can provide audit data in the form of SMF records. The SMF data produced by the FTP Server provides transaction information for both successful and unsuccessful FTP commands.... |
| V-98171 | Medium | IBM RACF DASD Management USERIDs must be properly controlled. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98077 | Medium | IBM RACF must limit access to data sets used to back up and/or dump SMF collection files to appropriate users and/or batch jobs that perform SMF dump processing. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98179 | Medium | IBM z/OS FTP.DATA configuration statements must have a proper BANNER statement with the Standard Mandatory DoD Notice and Consent Banner. | Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal... |
| V-98071 | Medium | IBM RACF access to SYS1.LINKLIB must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98283 | Medium | The IBM z/OS systems requiring data at rest protection must properly employ IBM DS8880 for full disk encryption for classified systems. | Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating system must implement cryptographic modules adhering to the higher... |
| V-98263 | Medium | IBM z/OS PASSWORD data set and OS passwords must not be used. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98189 | Medium | IBM z/OS user exits for the FTP server must not be used without proper approval and documentation. | In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must... |
| V-98267 | Medium | The IBM z/OS Policy Agent must employ a deny-all, allow-by-exception firewall policy for allowing connections to other systems. | Failure to restrict network connectivity only to authorized systems permits inbound connections from malicious systems. It also permits outbound connections that may facilitate exfiltration of DoD data. |
| V-98265 | Medium | The IBM z/OS System Administrator (SA) must develop a process to notify Information System Security Officers (ISSOs) of account enabling actions. | Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to enable an... |
| V-98183 | Medium | The IBM z/OS warning banner for the FTP server must be properly specified. | Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal... |
| V-98181 | Medium | IBM z/OS FTP.DATA configuration statements for the FTP server must specify the BANNER statement. | Display of a standardized and approved use notification before granting access to the publicly accessible operating system ensures privacy and security notification verbiage used is consistent... |
| V-98187 | Medium | The IBM z/OS TFTP server program must be properly protected. | Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may provide a capability that runs counter to the mission or provides users... |
| V-98185 | Medium | IBM z/OS FTP.DATA configuration statements for the FTP Server must be specified in accordance with requirements. | This requirement is intended to cover both traditional interactive logons to information systems and general accesses to information systems that occur in other types of architectural... |
| V-98287 | Medium | IBM z/OS must implement cryptographic mechanisms to prevent unauthorized modification of all information at rest on all operating system components. | Operating systems handling data requiring data at rest protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest.
Satisfies:... |
| V-98009 | Medium | IBM RACF emergency USERIDs must be properly defined. | Emergency accounts are privileged accounts that are established in response to crisis situations where the need for rapid account activation is required. Therefore, emergency account activation... |
| V-98167 | Medium | IBM z/OS, for PKI-based authentication, must use the ESM to store keys. | If the private key is discovered, an attacker can use the key to authenticate as an authorized user and gain access to the network infrastructure. |
| V-98253 | Medium | IBM z/OS NOBUFFS in SMFPRMxx must be properly set (default is MSG). | It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mitigate the failure. Audit processing failures include: software/hardware... |
| V-98163 | Medium | The IBM RACF PASSWORD(HISTORY) SETROPTS value must be set to 5 or more. | Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. HISTORY specifies the number of previous passwords that... |
| V-98001 | Medium | All digital certificates in use must have a valid path to a trusted Certification authority. | The origin of a certificate, the Certificate Authority (i.e., CA), is crucial in determining if the certificate should be trusted. An approved CA establishes grounds for confidence at both ends of... |
| V-98007 | Medium | IBM RACF must limit WRITE or greater access to LINKLIST libraries to system programmers only. | The primary function of the LINKLIST is to serve as a single repository for commonly used system modules. Failure to ensure that the proper set of libraries is designated for LINKLIST can impact... |
| V-98169 | Medium | The IBM RACF ERASE ALL SETROPTS value must be set to ERASE(ALL) on all systems. | Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of information, produced by the actions of prior users/roles (or the actions of... |
| V-98239 | Medium | The IBM z/OS System Administrator (SA) must develop a process to notify Information System Security Officers (ISSOs) of account enabling actions. | Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to enable an... |
| V-98285 | Medium | The IBM z/OS systems requiring data-at-rest protection must properly employ IBM DS8880 for full disk encryption. | Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and tape drive, when used for backups) within an operating system. |
| V-98271 | Medium | IBM z/OS must not allow nonexistent or inaccessible LINKLIST libraries. | Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may provide a capability that runs counter to the mission or provides users... |
| V-98437 | Medium | IBM z/OS HFS objects for the z/OS UNIX Telnet Server must be properly protected. | HFS directories and files of the z/OS UNIX Telnet Server provide the configuration and executable properties of this product. Failure to properly secure these objects may lead to unauthorized... |
| V-98273 | Medium | IBM z/OS must not allow nonexistent or inaccessible Link Pack Area (LPA) libraries. | Control of program execution is a mechanism used to prevent execution of unauthorized programs. Some operating systems may provide a capability that runs counter to the mission or provides users... |
| V-98275 | Medium | IBM z/OS must not have inaccessible APF libraries defined. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-98277 | Medium | IBM zOS inapplicable PPT entries must be invalidated. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-98421 | Medium | IBM z/OS attributes of z/OS UNIX user accounts must have a unique GID in the range of 1-99. | RACF userid groups, and started tasks that use z/OS UNIX facilities are defined to an ACP with attributes including UID and GID. If these attributes are not correctly defined, data access or... |
| V-98279 | Medium | IBM z/OS LNKAUTH=APFTAB must be specified in the IEASYSxx member(s) in the currently active parmlib data set(s). | Failure to specify LINKAUTH=APFTAB allows libraries other than those designated as APF to contain authorized modules which could bypass security and violate the integrity of the operating system... |
| V-98237 | Medium | The IBM z/OS System Administrator (SA) must develop a process to notify appropriate personnel when accounts are removed. | When operating system accounts are removed, user accessibility is affected. Accounts are utilized for identifying individual operating system users or for identifying the operating system... |
| V-98349 | Medium | IBM z/OS must be configured to restrict all TCP/IP ports to ports, protocols, and/or services as defined in the PPSM CAL and vulnerability assessments. | Remote access services, such as those providing remote access to network devices and information systems, which lack automated control capabilities, increase risk and make remote user access... |
| V-98231 | Medium | The IBM z/OS System Administrator (SA) must develop a process to notify appropriate personnel when accounts are created. | Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to create a new... |
| V-98151 | Medium | IBM RACF user accounts must uniquely identify system users. | To assure individual accountability and prevent unauthorized access, organizational users must be individually identified and authenticated.
A group authenticator is a generic account used by... |
| V-98019 | Medium | The IBM RACF FACILITY resource class must be active. | IBM Provides the FACILITY Class for use in protecting a variety of features/functions/products both IBM and third-party. The FACILITY Class is not dedicated to any one specific use and is intended... |
| V-98399 | Medium | IBM z/OS UNIX MVS data sets WITH z/OS UNIX COMPONENTS must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98409 | Medium | IBM z/OS UNIX OMVS parameters in PARMLIB must be properly specified. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98407 | Medium | The IBM RACF classes required to properly secure the z/OS UNIX environment must be ACTIVE. | In certain situations, software applications/programs need to execute with elevated privileges to perform required functions. However, if the privileges required for execution are at a higher... |
| V-98011 | Medium | IBM RACF SETROPTS LOGOPTIONS must be properly configured. | Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to create an... |
| V-98405 | Medium | IBM z/OS UNIX MVS data sets used as step libraries in /etc/steplib must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98013 | Medium | IBM RACF must protect memory and privileged program dumps in accordance with proper security requirements. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98403 | Medium | IBM z/OS UNIX SYSTEM FILE SECURITY SETTINGS must be properly protected or specified. | If the operating system were to allow any user to make changes to software libraries, then those changes might be implemented without undergoing the appropriate testing and approvals that are part... |
| V-98015 | Medium | IBM z/OS system commands must be properly protected. | z/OS system commands provide a method of controlling the operating environment. Failure to properly control access to z/OS system commands could result in unauthorized personnel issuing sensitive... |
| V-98401 | Medium | IBM z/OS UNIX HFS permission bits and audit bits for each directory must be properly protected. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98017 | Medium | IBM RACF must properly define users that have access to the CONSOLE resource in the TSOAUTH resource class. | MCS consoles can be used to issue operator commands. Failure to properly control access to MCS consoles could result in unauthorized personnel issuing sensitive operator commands. This exposure... |
| V-98417 | Medium | IBM z/OS UNIX security parameters for restricted network service(s) in /etc/inetd.conf must be properly specified. | In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must... |
| V-98083 | Medium | IBM z/OS MCS consoles access authorization(s) for CONSOLE resource(s) must be properly protected. | MCS consoles can be used to issue operator commands. Failure to properly control access to MCS consoles could result in unauthorized personnel issuing sensitive operator commands. This exposure... |
| V-98367 | Medium | The IBM z/OS PROFILE.TCPIP configuration for the TN3270 Telnet server must have the INACTIVE statement properly specified. | To address access requirements, many operating systems can be integrated with enterprise-level authentication/access/auditing mechanisms that meet or exceed access control policy requirements. |
| V-98081 | Medium | IBM RACF must limit access to System page data sets (i.e., PLPA, COMMON, and LOCALx) to system programmers. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98365 | Medium | The IBM z/OS TCPIP.DATA configuration statement must contain the DOMAINORIGIN or DOMAIN specified for each TCP/IP defined. | If data origin authentication and data integrity verification are not performed, the resultant response could be forged, it may have come from a poisoned cache, the packets could have been... |
| V-98423 | Medium | IBM z/OS UNIX groups must be defined with a unique GID. | To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and compromise of the system.
Organizational... |
| V-98363 | Medium | The IBM z/OS PROFILE.TCPIP configuration statement must include a SMFPARMS and/or SMFCONFIG statement for each TCP/IP stack. | If events associated with nonlocal administrative access or diagnostic sessions are not logged, a major tool for assessing and investigating attacks would not be available.
This requirement... |
| V-98085 | Medium | IBM RACF must limit WRITE or greater access to the JES2 System data sets (e.g., Spool, Checkpoint, and Initialization parameters) to system programmers only. | To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-approved PKIs, all DoD systems (e.g., web servers and web portals) must... |
| V-98361 | Medium | IBM z/OS Configuration files for the TCP/IP stack must be properly specified. | Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security... |
| V-98245 | Medium | IBM z/OS must specify SMF data options to assure appropriate activation. | SMF data collection is the basic unit of tracking of all system functions and actions. Included in this tracking data are the audit trails from each of the ACPs. If the control options for the... |
| V-98247 | Medium | IBM z/OS SMF collection files (system MANx datasets or LOGSTREAM DASD) must have storage capacity to store at least one weeks worth of audit data. | In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems need to be able to allocate audit record storage capacity.
The task of... |
| V-98087 | Medium | The IBM z/OS IEASYMUP resource must be protected in accordance with proper security requirements. | Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges. |
| V-98241 | Medium | IBM z/OS required SMF data record types must be collected. | Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing access. One way to accomplish this is for the attacker to create an... |
| V-98243 | Medium | IBM z/OS must employ a session manager to manage display of the Standard Mandatory DoD Notice and Consent Banner. | Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal... |
| V-98369 | Medium | IBM z/OS SSL encryption options for the TN3270 Telnet Server must be specified properly for each statement that defines a SECUREPORT or within the TELNETGLOBALS. | During the SSL connection process a mutually acceptable encryption algorithm is selected by the server and client. This algorithm is used to encrypt the data that subsequently flows between the... |
| V-98281 | Low | IBM z/OS must not have duplicated sensitive utilities and/or programs existing in APF libraries. | Removal of unneeded or non-secure functions, ports, protocols, and services mitigate the risk of unauthorized connection of devices, unauthorized transfer of information, or other exploitation of... |
| V-98005 | Low | IBM RACF must limit Write or greater access to libraries that contain PPT modules to system programmers only. | Specific PPT designated program modules possess significant security bypass capabilities. Unauthorized access could result in the compromise of the operating system environment, ACP, and customer... |
