| V-240458 | High | The SLES for vRealize must prevent direct logon into the root account. | 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-240519 | High | The SLES for vRealize must implement cryptographic mechanisms to prevent unauthorized disclosure of information and/or detect changes to information during transmission unless otherwise protected by alternative physical safeguards, such as, at a minimum, a Protected Distribution System (PDS). | Encrypting information for transmission protects information from unauthorized disclosure and modification. Cryptographic mechanisms implemented to protect information integrity include, for... |
| V-240518 | High | The SLES for vRealize must protect the confidentiality and integrity of transmitted information. | Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected communications can be intercepted and either read or altered.
This... |
| V-240517 | High | The SLES for vRealize must protect against or limit the effects of Denial of Service (DoS) attacks by ensuring the SLES for vRealize 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.
This... |
| V-240516 | High | The SLES for vRealize must implement NSA-approved cryptography to protect classified information in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. | 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-240397 | High | The SLES for vRealize must require the change of at least eight of the total number of characters when passwords are changed. | If the operating system allows the user to consecutively reuse extensive portions of passwords, this increases the chances of password compromise by increasing the window of opportunity for... |
| V-240399 | High | The SLES for vRealize must store only encrypted representations of passwords. | Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily... |
| V-240398 | High | The SLES for vRealize must store only encrypted representations of passwords. | Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily... |
| V-240470 | Medium | The SLES for vRealize must manage 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.
Managing... |
| V-240471 | Medium | The SLES for vRealize must terminate all network connections associated with a communications session at the end of the session, or as follows: for in-band management sessions (privileged sessions), the session must be terminated after 10 minutes of inactivity; and for user sessions (non-privileged session), the session must be terminated after 15 minutes of inactivity, except to fulfill documented and validated mission requirements. | 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-240472 | Medium | The /var/log directory must be group-owned by root. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240473 | Medium | The /var/log directory must be owned by root. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240474 | Medium | The /var/log directory must have mode 0750 or less permissive. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240475 | Medium | The /var/log/messages file must be group-owned by root. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240476 | Medium | The /var/log/messages file must be owned by root. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240477 | Medium | The /var/log/messages file must have mode 0640 or less permissive. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240478 | Medium | The SLES for vRealize must reveal error messages only to authorized users. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240479 | Medium | The SLES for vRealize must reveal error messages only to authorized users. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240396 | Medium | The SLES for vRealize must enforce password complexity by requiring that at least one numeric character be used. | 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-240379 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using chmod. | 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-240378 | Medium | The SLES for vRealize must allow only the ISSM (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited - group-ownership. | 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-240373 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter /var/log/faillog. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240372 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter the system through sched_setscheduler. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240371 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter the system through sched_setparam. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240370 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter the system through setdomainname. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240377 | Medium | The SLES for vRealize must allow only the ISSM (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited - ownership. | 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-240376 | Medium | The SLES for vRealize must allow only the ISSM (or individuals or roles appointed by the ISSM) to select which auditable events are to be audited - Permissions. | 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-240375 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter /var/log/tallylog. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240374 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter /var/log/lastlog. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240405 | Medium | The SLES for vRealize must prohibit password reuse for a minimum of five generations - old passwords are being stored. | Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the... |
| V-240404 | Medium | The SLES for vRealize must prohibit password reuse for a minimum of five generations. | Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the... |
| V-240407 | Medium | The system must require root password authentication upon booting into single-user mode. | 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-240406 | Medium | The SLES for vRealize must enforce a minimum 15-character password length. | 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-240401 | Medium | Users must not be able to change passwords more than once every 24 hours. | 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-240400 | Medium | SLES for vRealize must enforce 24 hours/1 day as the minimum password lifetime. | 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-240403 | Medium | User passwords must be changed at least every 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-240402 | Medium | SLES for vRealize must enforce a 60-day maximum password lifetime restriction. | 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-240409 | Medium | The system boot loader configuration file(s) must have mode 0600 or less permissive. | File permissions more permissive than 0600 on boot loader configuration files could allow an unauthorized user to view or modify sensitive information pertaining to system boot instructions. |
| V-240408 | Medium | Bootloader authentication must be enabled to prevent users without privilege to gain access to restricted file system 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-240416 | Medium | The rsh-server package must not be installed. | The "rsh-server" package provides several obsolete and insecure network services. Removing it decreases the risk of accidental (or intentional) activation of those services. |
| V-240463 | Medium | The SLES for vRealize must uniquely identify and must authenticate non-organizational users (or processes acting on behalf of non-organizational users). | Lack of authentication and identification enables non-organizational users to gain access to the application or possibly other information systems and provides an opportunity for intruders to... |
| V-240462 | Medium | The SLES for vRealize must use mechanisms meeting the requirements of applicable federal laws, Executive orders, directives, policies, regulations, standards, and guidance for authentication to a cryptographic module. | Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be relied upon to provide confidentiality or integrity, and DoD data may be... |
| V-240461 | Medium | The SLES for vRealize must disable account identifiers of individuals and roles (such as root) after 35 days of inactivity after password expiration. | 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-240460 | Medium | The SLES for vRealize must enforce SSHv2 for network access to non-privileged accounts. | A replay attack may enable an unauthorized user to gain access to the operating system. Authentication sessions between the authenticator and the operating system validating the user credentials... |
| V-240467 | Medium | The SLES for vRealize must employ strong authenticators in the establishment of nonlocal maintenance and diagnostic sessions. | If maintenance tools are used by unauthorized personnel, they may accidentally or intentionally damage or compromise the system. The act of managing systems and applications includes the ability... |
| V-240466 | Medium | The SLES for vRealize must be configured such that emergency administrator accounts are never automatically removed or disabled. | Emergency administrator accounts are privileged accounts that are established in response to crisis situations where the need for rapid account activation is required. Therefore, emergency account... |
| V-240465 | Medium | The SLES for vRealize must uniquely identify and must authenticate non-organizational users (or processes acting on behalf of non-organizational users). | Lack of authentication and identification enables non-organizational users to gain access to the application or possibly other information systems and provides an opportunity for intruders to... |
| V-240464 | Medium | All GIDs referenced in /etc/passwd must be defined in /etc/group. | Inconsistency in GIDs between /etc/passwd and /etc/group could lead to a user having unintended rights. |
| V-240469 | Medium | The SLES for vRealize must manage 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.
Managing... |
| V-240428 | Medium | Xinetd logging/tracing must be enabled. | Xinetd logging and tracing allows the system administrators to observe the IP addresses that are connecting to their machines and to observe what network services are being sought. This provides... |
| V-240348 | Medium | The SLES for vRealize must display the Standard Mandatory DoD Notice and Consent Banner before granting access via SSH. | 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-240346 | Medium | In addition to auditing new user and group accounts, these watches will alert the system administrator(s) to any modifications. Any unexpected users, groups, or modifications must be investigated for legitimacy. | Once an attacker establishes initial 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... |
| V-240347 | Medium | The SLES for vRealize must enforce the limit of three consecutive invalid logon attempts by a user during a 15-minute time period. | 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-240344 | Medium | The SLES for vRealize must automatically remove or disable temporary user accounts after 72 hours. | If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain unauthorized access. To mitigate this risk, automated termination of... |
| V-240345 | Medium | The SLES for vRealize must audit all account creations. | Once an attacker establishes initial 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... |
| V-240388 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using lremovexattr. | 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-240433 | Medium | The alias files must be owned by root. | If the alias and aliases.db files are not owned by root, an unauthorized user may modify the file to add aliases to run malicious code or redirect email. |
| V-240393 | Medium | The SLES for vRealize must enforce password complexity by requiring that at least one upper-case character be used. | 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-240456 | Medium | The SLES for vRealize must have IEEE 1394 (Firewire) disabled unless needed. | Firewire is a common computer peripheral interface. Firewire devices may include storage devices that could be used to install malicious software on a system or exfiltrate data. |
| V-240457 | Medium | Duplicate User IDs (UIDs) must not exist for users within the organization. | 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-240454 | Medium | The SLES for vRealize must not have Teredo enabled. | Teredo is an IPv6 transition mechanism that involves tunneling IPv6 packets encapsulated in IPv4 packets. Unauthorized tunneling may circumvent network security. |
| V-240455 | Medium | The DHCP client must be disabled if not needed. | DHCP allows for the unauthenticated configuration of network parameters on the system by exchanging information with a DHCP server. |
| V-240452 | Medium | Proxy Neighbor Discovery Protocol (NDP) must not be enabled on the system. | Proxy Neighbor Discovery Protocol (NDP) allows a system to respond to NDP requests on one interface on behalf of hosts connected to another interface. If this function is enabled when not... |
| V-240453 | Medium | The SLES for vRealize must not have 6to4 enabled. | 6to4 is an IPv6 transition mechanism that involves tunneling IPv6 packets encapsulated in IPv4 packets on an ad-hoc basis. This is not a preferred transition strategy and increases the attack... |
| V-240450 | Medium | The AppleTalk protocol must be disabled or not installed. | The AppleTalk suite of protocols is no longer in common use. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged local processes may be able to cause... |
| V-240451 | Medium | The DECnet protocol must be disabled or not installed. | The DECnet suite of protocols is no longer in common use. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged local processes may be able to cause the... |
| V-240459 | Medium | The SLES for vRealize must enforce SSHv2 for network access to privileged accounts. | A replay attack may enable an unauthorized user to gain access to the operating system. Authentication sessions between the authenticator and the operating system validating the user credentials... |
| V-240351 | Medium | The SLES for vRealize must initiate a session lock after a 15-minute period of inactivity for an SSH connection. | 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-240350 | Medium | The SLES for vRealize must initiate a session lock after a 15-minute period of inactivity for all connection types. | 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-240353 | Medium | The SLES for vRealize must implement DoD-approved encryption to protect the confidentiality of remote access sessions- SSH Daemon. | Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session.
Remote access is access to DoD nonpublic information... |
| V-240352 | Medium | The SLES for vRealize must monitor remote access methods - SSH Daemon. | 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-240355 | Medium | The SLES for vRealize must produce audit records. | Without establishing what type of events occurred, it would be difficult to establish, correlate, and investigate the events leading up to an outage or attack.
Audit record content that may be... |
| V-240354 | Medium | The SLES for vRealize must implement DoD-approved encryption to protect the confidentiality of remote access sessions - SSH Client. | Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session.
Remote access is access to DoD nonpublic information... |
| V-240357 | Medium | The SLES for vRealize must shut down by default upon audit failure (unless availability is an overriding concern). | 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-240356 | Medium | The SLES for vRealize must alert the ISSO and SA (at a minimum) in the event of an audit processing failure. | 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-240359 | Medium | The SLES for vRealize must protect audit information from unauthorized read access - group-ownership. | Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confidentiality.
Audit information includes all information (e.g., audit... |
| V-240358 | Medium | The SLES for vRealize must protect audit information from unauthorized read access - ownership. | Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confidentiality.
Audit information includes all information (e.g., audit... |
| V-240424 | Medium | The xinetd service must be disabled if no network services using it are enabled. | The "xinetd" service provides a dedicated listener service for some programs, which is no longer necessary for commonly used network services. Disabling it ensures that these uncommon services are... |
| V-240508 | Medium | The time synchronization configuration file (such as /etc/ntp.conf) must be group-owned by root, bin, sys, or system. | A synchronized system clock is critical for the enforcement of time-based policies and the correlation of logs and audit records with other systems. If an illicit time source is used for... |
| V-240509 | Medium | The time synchronization configuration file (such as /etc/ntp.conf) must have mode 0640 or less permissive. | A synchronized system clock is critical for the enforcement of time-based policies and the correlation of logs and audit records with other systems. If an illicit time source is used for... |
| V-240504 | Medium | The SLES for vRealize must immediately notify the SA and ISSO (at a minimum) when allocated audit record storage volume reaches 75% of the repository maximum audit record storage capacity. | If security personnel are not notified immediately when storage volume reaches 75% utilization, they are unable to plan for audit record storage capacity expansion. |
| V-240505 | Medium | The SLES for vRealize must provide an immediate real-time alert to the SA and ISSO, at a minimum, of all audit failure events requiring real-time alerts. | 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 a real-time alert, security personnel may be unaware of an... |
| V-240506 | Medium | The SLES for vRealize must, for networked systems, compare internal information system clocks at least every 24 hours with a server which is synchronized to one of the redundant United States Naval Observatory (USNO) time servers, or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet), and/or the Global Positioning System (GPS). | 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-240507 | Medium | The time synchronization configuration file (such as /etc/ntp.conf) must be owned by root. | A synchronized system clock is critical for the enforcement of time-based policies and the correlation of logs and audit records with other systems. If an illicit time source is used for... |
| V-240500 | Medium | The SLES for vRealize must notify System Administrators and Information System Security Officers when accounts are created, or enabled when previously disabled. | Once an attacker establishes initial 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... |
| V-240417 | Medium | The ypserv package must not be installed. | Removing the "ypserv" package decreases the risk of the accidental (or intentional) activation of NIS or NIS+ services. |
| V-240384 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using fchownat. | 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-240539 | Medium | The SLES for vRealize must generate audit records for all direct access to the information system. | 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-240431 | Medium | NIS maps must be protected through hard-to-guess domain names. | The use of hard-to-guess NIS domain names provides additional protection from unauthorized access to the NIS directory information. |
| V-240515 | Medium | The SLES for vRealize must implement cryptographic mechanisms to protect the confidentiality of nonlocal maintenance and diagnostic communications, when used for nonlocal maintenance sessions. | Privileged access contains control and configuration information and is particularly sensitive, so additional protections are necessary. This is maintained by using cryptographic mechanisms such... |
| V-240514 | Medium | The SLES for vRealize must implement cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications, when used for nonlocal maintenance sessions. | Privileged access contains control and configuration information and is particularly sensitive, so additional protections are necessary. This is maintained by using cryptographic mechanisms, such... |
| V-240513 | Medium | The SLES for vRealize must audit all activities performed during nonlocal maintenance and diagnostic sessions. | 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-240512 | Medium | The RPM package management tool must cryptographically verify the authenticity of all software packages during installation. | Changes to any software components can have significant effects on the overall security of the operating system. This requirement ensures the software has not been tampered with and that it has... |
| V-240511 | Medium | The SLES for vRealize must audit the enforcement actions used to restrict access associated with changes to the system. | Without auditing the enforcement of access restrictions against changes to the application configuration, it will be difficult to identify attempted attacks and an audit trail will not be... |
| V-240510 | Medium | The SLES for vRealize must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second. | 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-240498 | Medium | The SLES for vRealize must control remote access methods. | 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-240499 | Medium | The SLES for vRealize must audit all account enabling actions. | Once an attacker establishes initial 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... |
| V-240438 | Medium | Files executed through a mail aliases file must have mode 0755 or less permissive. | If a file executed through a mail alias file has permissions greater than 0755, it can be modified by an unauthorized user and may contain malicious code or instructions that could compromise the system. |
| V-240449 | Medium | The Internetwork Packet Exchange (IPX) protocol must be disabled or not installed. | The Internetwork Packet Exchange (IPX) protocol is a network-layer protocol that is no longer in common use. Binding this protocol to the network stack increases the attack surface of the host.... |
| V-240448 | Medium | The Lightweight User Datagram Protocol (UDP-Lite) must be disabled unless required. | The Lightweight User Datagram Protocol (UDP-Lite) is a proposed transport layer protocol. This protocol is not yet widely used. Binding this protocol to the network stack increases the attack... |
| V-240522 | Medium | The SLES for vRealize must verify correct operation of all security functions. | Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed. Security function is defined as the hardware, software, and/or... |
| V-240523 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access security objects occur. | 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-240520 | Medium | The SLES for vRealize must implement non-executable data to protect its memory from unauthorized code execution. | Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations that are prohibited. Security safeguards employed to protect memory... |
| V-240521 | Medium | The SLES for vRealize must implement address space layout randomization to protect its memory from unauthorized code execution. | Some adversaries launch attacks with the intent of executing code in non-executable regions of memory or in memory locations that are prohibited. Security safeguards employed to protect memory... |
| V-240526 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to delete privileges occur. | 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-240527 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to delete security objects occur. | 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-240524 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to modify privileges occur. | 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-240525 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to modify security objects occur. | 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-240441 | Medium | The SMTP service log files must be owned by root. | If the SMTP service log file is not owned by root, then unauthorized personnel may modify or delete the file to hide a system compromise. |
| V-240440 | Medium | The system syslog service must log informational and more severe SMTP service messages. | If informational and more severe SMTP service messages are not logged, malicious activity on the system may go unnoticed. |
| V-240443 | Medium | The SMTP service HELP command must not be enabled. | The HELP command should be disabled to mask version information. The version of the SMTP service software could be used by attackers to target vulnerabilities present in specific software versions. |
| V-240442 | Medium | The SMTP service log file must have mode 0644 or less permissive. | If the SMTP service log file is more permissive than 0644, unauthorized users may be allowed to change the log file. |
| V-240445 | Medium | The SMTP service must not use .forward files. | The .forward file allows users to automatically forward mail to another system. Use of .forward files could allow the unauthorized forwarding of mail and could potentially create mail loops, which... |
| V-240444 | Medium | The SMTP service SMTP greeting must not provide version information. | The version of the SMTP service can be used by attackers to plan an attack based on vulnerabilities present in the specific version. |
| V-240447 | Medium | The SMTP service must not have the VRFY feature active. | The VRFY (Verify) command allows an attacker to determine if an account exists on a system, providing significant assistance to a brute force attack on user accounts. VRFY may provide additional... |
| V-240446 | Medium | The SMTP service must not have the EXPN feature active. | The SMTP EXPN function allows an attacker to determine if an account exists on a system, providing significant assistance to a brute force attack on user accounts. EXPN may also provide additional... |
| V-240540 | Medium | The SLES for vRealize must generate audit records for all account creations, modifications, disabling, and termination events. | 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-240541 | Medium | The SLES for vRealize must generate audit records for all kernel module load, unload, and restart actions, and also for all program initiations. | 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-240542 | Medium | The SLES for vRealize must implement NIST FIPS-validated cryptography for the following: to provision digital signatures, to generate cryptographic hashes, and to protect unclassified information requiring confidentiality and cryptographic protection in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. | Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The SLES for vRealize must implement cryptographic modules adhering to the higher... |
| V-240543 | Medium | The SLES for vRealize must, at a minimum, off-load audit information on interconnected systems in real time and off-load standalone systems weekly. | 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-240544 | Medium | The SLES for vRealize must prevent the use of dictionary words for passwords. | If the operating system allows the user to select passwords based on dictionary words, this increases the chances of password compromise by increasing the opportunity for successful guesses and... |
| V-240545 | Medium | The SLES for vRealize must prevent the use of dictionary words for passwords. | If the operating system allows the user to select passwords based on dictionary words, this increases the chances of password compromise by increasing the opportunity for successful guesses and... |
| V-240546 | Medium | The SLES for vRealize must prevent the use of dictionary words for passwords. | If the operating system allows the user to select passwords based on dictionary words, this increases the chances of password compromise by increasing the opportunity for successful guesses and... |
| V-240547 | Medium | The SLES for vRealize must enforce a delay of at least 4 seconds between logon prompts following a failed logon attempt. | Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account. |
| V-240548 | Medium | The SLES for vRealize must enforce a delay of at least 4 seconds between logon prompts following a failed logon attempt. | Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account. |
| V-240549 | Medium | The SLES for vRealize must enforce a delay of at least 4 seconds between logon prompts following a failed logon attempt. | Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain access to an account. |
| V-240528 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful logon attempts occur. | 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-240529 | Medium | The SLES for vRealize must generate audit records for privileged activities or other system-level access. | 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-240535 | Medium | The SLES for vRealize audit system must be configured to audit failed attempts to access files and programs. | Unsuccessful attempts to access files could be an indicator of malicious activity on a system. Auditing these events could serve as evidence of potential system compromise. |
| V-240534 | Medium | The SLES for vRealize audit system must be configured to audit failed attempts to access files and programs. | Unsuccessful attempts to access files could be an indicator of malicious activity on a system. Auditing these events could serve as evidence of potential system compromise. |
| V-240537 | Medium | The SLES for vRealize audit system must be configured to audit file deletions. | If the system is not configured to audit certain activities and write them to an audit log, it is more difficult to detect and track system compromises and damages incurred during a system compromise. |
| V-240536 | Medium | The SLES for vRealize audit system must be configured to audit user deletions of files and programs. | Auditing file deletions will create an audit trail for files that are removed from the system. The audit trail could aid in system troubleshooting, as well as detecting malicious processes that... |
| V-240531 | Medium | The SLES for vRealize must generate audit records showing starting and ending time for user access to the system. | 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-240530 | Medium | The SLES for vRealize audit system must be configured to audit the loading and unloading of dynamic kernel modules. | 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-240533 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful accesses to objects occur. | 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-240532 | Medium | The SLES for vRealize must generate audit records when concurrent logons to the same account occur from different sources. | 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-240434 | Medium | The alias files must be group-owned by root or a system group. | If the aliases and aliases.db file are not group owned by root or a system group, an unauthorized user may modify one or both of the files to add aliases to run malicious code or redirect email. |
| V-240435 | Medium | The alias files must have mode 0644 or less permissive. | Excessive permissions on the alias files may permit unauthorized modification. If an alias file is modified by an unauthorized user, they may modify the file to run malicious code or redirect email. |
| V-240436 | Medium | Files executed through a mail aliases file must be owned by root and must reside within a directory owned and writable only by root. | If a file executed through a mail aliases file is not owned and writable only by root, it may be subject to unauthorized modification. Unauthorized modification of files executed through aliases... |
| V-240437 | Medium | Files executed through a mail aliases file must be group-owned by root, bin, sys, or system, and must reside within a directory group-owned by root, bin, sys, or system. | If a file executed through a mail aliases file is not group-owned by root or a system group, it may be subject to unauthorized modification. Unauthorized modification of files executed through... |
| V-240430 | Medium | The system must not use UDP for NIS/NIS+. | Implementing NIS or NIS+ under UDP may make the system more susceptible to a denial-of-service attack and does not provide the same quality of service as TCP. |
| V-240538 | Medium | SLES for vRealize audit logs must be rotated daily. | Rotate audit logs daily to preserve audit file system space and to conform to the DISA requirement. If it is not rotated daily and moved to another location, then there is more of a chance for the... |
| V-240432 | Medium | Mail relaying must be restricted. | If unrestricted mail relaying is permitted, unauthorized senders could use this host as a mail relay for the purpose of sending spam or other unauthorized activity. |
| V-240439 | Medium | Sendmail logging must not be set to less than nine in the sendmail.cf file. | If Sendmail is not configured to log at level 9, system logs may not contain the information necessary for tracking unauthorized use of the sendmail service. |
| V-240551 | Medium | The SLES for vRealize must define default permissions for all authenticated users in such a way that the user can only read and modify their own files. | Setting the most restrictive default permissions ensures that when new accounts are created they do not have unnecessary access. |
| V-240550 | Medium | The SLES for vRealize must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs. | 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-240492 | Medium | The shared library files must have restrictive permissions. | 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-240493 | Medium | Shared library files must have root ownership. | 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... |
| V-240490 | Medium | The SLES for vRealize must protect audit tools from unauthorized modification. | Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized... |
| V-240491 | Medium | The SLES for vRealize must protect audit tools from unauthorized deletion. | Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized... |
| V-240496 | Medium | The SLES for vRealize must enforce password complexity by requiring that at least one special character be used. | 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 resisting... |
| V-240497 | Medium | The SLES for vRealize must automatically terminate a user session after inactivity time-outs have expired or at shutdown. | 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-240494 | Medium | System executables must have restrictive permissions. | 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... |
| V-240495 | Medium | System executables must have root ownership. | 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-240412 | Medium | The Bluetooth protocol handler must be disabled or not installed. | Bluetooth is a personal area network (PAN) technology. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged local processes may be able to cause the... |
| V-240413 | Medium | The system must have USB Mass Storage disabled unless needed. | USB is a common computer peripheral interface. USB devices may include storage devices that could be used to install malicious software on a system or exfiltrate data. |
| V-240410 | Medium | The system boot loader configuration files must be owned by root. | The system's boot loader configuration files are critical to the integrity of the system and must be protected. Unauthorized modification of these files resulting from improper ownership could... |
| V-240382 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using fchmodat. | 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-240383 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using fchown. | 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-240380 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using chown. | 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-240381 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using fchmod. | 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-240386 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using fsetxattr. | 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-240387 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using lchown. | 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-240429 | Medium | The ypbind service must not be running if no network services utilizing it are enabled. | Disabling the "ypbind" service ensures the system is not acting as a client in a NIS or NIS+ domain when not required. |
| V-240385 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using fremovexattr. | 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-240427 | Medium | The xinetd.d directory must have mode 0755 or less permissive. | The Internet service daemon configuration files must be protected as malicious modification could cause denial of service or increase the attack surface of the system. |
| V-240426 | Medium | The inetd.conf file, xinetd.conf file, and xinetd.d directory must be group owned by root, bin, sys, or system. | Failure to give ownership of sensitive files or utilities to root provides the designated owner and unauthorized users with the potential to access sensitive information or change the system... |
| V-240425 | Medium | The xinetd.conf file, and the xinetd.d directory must be owned by root or bin. | Failure to give ownership of sensitive files or utilities to root provides the designated owner and unauthorized users with the potential to access sensitive information or change the system... |
| V-240389 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using lsetxattr. | 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-240423 | Medium | The Transparent Inter-Process Communication (TIPC) must be disabled or not installed. | The Transparent Inter-Process Communication (TIPC) protocol is a relatively new cluster communications protocol developed by Ericsson. Binding this protocol to the network stack increases the... |
| V-240422 | Medium | The Reliable Datagram Sockets (RDS) protocol must be disabled or not installed unless required. | The RDS protocol is a relatively new protocol developed by Oracle for communication between the nodes of a cluster. Binding this protocol to the network stack increases the attack surface of the... |
| V-240421 | Medium | The Stream Control Transmission Protocol (SCTP) must be disabled unless required. | The SCTP is an IETF-standardized transport layer protocol. This protocol is not yet widely used. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged... |
| V-240420 | Medium | The Datagram Congestion Control Protocol (DCCP) must be disabled unless required. | The DCCP is a proposed transport layer protocol. This protocol is not yet widely used. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged local... |
| V-240468 | Medium | The SLES for vRealize must 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-240489 | Medium | The SLES for vRealize must protect audit tools from unauthorized access. | Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized... |
| V-240488 | Medium | The SLES for vRealize must produce audit records containing information to establish the identity of any individual or process associated with the event. | 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-240485 | Medium | The SLES for vRealize must audit all account removal actions. | When operating system accounts are removed, user accessibility is affected. Accounts are utilized for identifying individual users or for identifying the operating system processes themselves. In... |
| V-240484 | Medium | The SLES for vRealize must audit all account disabling actions. | When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual users or for identifying the operating system processes themselves. In... |
| V-240487 | Medium | The SLES for vRealize must initiate session audits at system start-up. | If auditing is enabled late in the start-up process, the actions of some start-up processes may not be audited. Some audit systems also maintain state information only available if auditing is... |
| V-240486 | Medium | The SLES for vRealize must implement cryptography to protect the integrity 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-240481 | Medium | Any publically accessible connection to the SLES for vRealize must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the system. | 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-240480 | Medium | The SLES for vRealize must reveal error messages only to authorized users. | Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify the operating system or... |
| V-240483 | Medium | The SLES for vRealize must audit all account modifications. | Once an attacker establishes initial 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... |
| V-240482 | Medium | The SLES for vRealize must audit all account modifications. | Once an attacker establishes initial 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... |
| V-240368 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter system time through /etc/localtime. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240369 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter the system through sethostname. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240360 | Medium | The SLES for vRealize must protect audit information from unauthorized modification. | If audit information were to become compromised, then forensic analysis and discovery of the true source of potentially malicious system activity is impossible to achieve.
To ensure the veracity... |
| V-240361 | Medium | The SLES for vRealize must protect audit information from unauthorized deletion. | If audit information were to become compromised, then forensic analysis and discovery of the true source of potentially malicious system activity is impossible to achieve.
To ensure the veracity... |
| V-240362 | Medium | The SLES for vRealize must protect audit information from unauthorized deletion - log directories. | If audit information were to become compromised, then forensic analysis and discovery of the true source of potentially malicious system activity is impossible to achieve.
To ensure the veracity... |
| V-240363 | Medium | The SLES for vRealize audit system must be configured to audit all administrative, privileged, and security actions. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240364 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter system time through adjtimex. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240365 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter system time through settimeofday. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240366 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter system time through stime. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240367 | Medium | The SLES for vRealize audit system must be configured to audit all attempts to alter system time through clock_settime. | Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events relating to an incident or identify those responsible for one.
Audit... |
| V-240395 | Medium | The SLES for vRealize must enforce password complexity by requiring that at least one lower-case character be used. | 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-240394 | Medium | Global settings defined in common- {account,auth,password,session} must be applied in the pam.d definition files. | Pam global requirements are generally defined in the common-account, common-auth, common- password and common-session files located in the /etc/pam.d directory. In order for the requirements to be... |
| V-240411 | Medium | The system boot loader configuration file(s) must be group-owned by root, bin, sys, or system. | The system's boot loader configuration files are critical to the integrity of the system and must be protected. Unauthorized modifications resulting from improper group-ownership may compromise... |
| V-240391 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using setxattr. | 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-240390 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all discretionary access control permission modifications using removexattr. | 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-240414 | Medium | The system must have USB disabled unless needed. | USB is a common computer peripheral interface. USB devices may include storage devices that could be used to install malicious software on a system or exfiltrate data. |
| V-240392 | Medium | The SLES for vRealize must generate audit records when successful/unsuccessful attempts to access privileges occur. The SLES for vRealize must generate audit records for all failed attempts to access files and programs. | 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-240415 | Medium | The telnet-server package must not be installed. | Removing the "telnet-server" package decreases the risk of the unencrypted telnet service's accidental (or intentional) activation. |
| V-240418 | Medium | The yast2-tftp-server package must not be installed. | Removing the "yast2-tftp-server" package decreases the risk of the accidental (or intentional) activation of tftp services. |
| V-240419 | Medium | The tftp package must not be installed. | The Trivial File Transfer Protocol (TFTP) is normally used only for booting diskless workstations and for getting or saving network component configuration files. Disabling the "tftp" protocol... |
| V-240349 | Low | The SLES for vRealize must limit the number of concurrent sessions to 10 for all accounts and/or account types. | Operating system management includes the ability to control the number of users and user sessions that utilize an operating system. Limiting the number of allowed users and sessions per user is... |
| V-240501 | Low | The SLES for vRealize must audit the execution of privileged functions. | 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-240502 | Low | The SLES for vRealize must 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-forcing, is reduced. Limits are imposed by locking the account. |
| V-240503 | Low | The SLES for vRealize must off-load audit records onto a different system or media from 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. |
