| V-1074 | High | An approved, up-to-date, DOD antivirus program must be installed and used. | Antivirus programs are a primary line of defense against the introduction of viruses and malicious code that can destroy data and even render a computer inoperable. Utilizing an antivirus program... |
| V-1073 | High | Systems must be at supported service packs (SP) or releases levels. | Systems at unsupported service packs or releases will not receive security updates for new vulnerabilities and leaves them subject to exploitation. Systems must be maintained at a service pack... |
| V-26683 | High | PKI certificates associated with user accounts must be issued by the DoD PKI or an approved External Certificate Authority (ECA). | A PKI implementation depends on the practices established by the Certificate Authority (CA) to ensure the implementation is secure. Without proper practices, the certificates issued by a CA have... |
| V-34974 | High | The Windows Installer Always install with elevated privileges must be disabled. | Standard user accounts must not be granted elevated privileges. Enabling Windows Installer to elevate privileges when installing applications can allow malicious persons and applications to gain... |
| V-39137 | High | The Enhanced Mitigation Experience Toolkit (EMET) V4.1 Update 1 or later must be installed on the system. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-39333 | High | Domain created Active Directory Organizational Unit (OU) objects must have proper access control permissions. | When Active Directory (AD) objects do not have appropriate access control permissions, it may be possible for malicious users to create, read, update, or delete the objects and degrade or destroy... |
| V-26070 | High | Standard user accounts will only have Read permissions to the Winlogon registry key. | Permissions on the Winlogon registry key should only allow privileged accounts to change registry values. If standard users have this capability there is a potential for programs to run with... |
| V-27119 | High | Access control permissions on the GPT directory files must comply with the required guidance. | Improper access permissions for directory data files could allow unauthorized users to read, modify, or delete directory data.
For AD this data includes identification, authentication, and... |
| V-1081 | High | Local volumes are not formatted using NTFS. | This is a category 1 finding because the ability to set access permissions and audit critical directories and files is only available by using the NTFS file system. The capability to assign... |
| V-8316 | High | Access control permissions on the AD database, log, and work files must conform to the required guidance. | Improper access permissions for directory data files could allow unauthorized users to read, modify, or delete directory data.
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| V-6834 | High | Named Pipes and Shares can be accessed anonymously. | This is a Category 1 finding because of the potential for gaining unauthorized system access.
Pipes are internal system communications processes. They are identified internally by ID numbers... |
| V-18010 | High | Unapproved Users have access to Debug programs. | This is a Category 1 finding as it provides access to the kernel with complete access to sensitive and critical operating system components. |
| V-1159 | High | The Recovery Console option is set to permit automatic logon to the system. | This is a Category 1 finding because if this option is set, the Recovery Console does not require you to provide a password and will automatically log on to the system, giving Administrator access... |
| V-1152 | High | Anonymous access to the Registry is not restricted. | This is a Category I finding, because this vulnerability allows an anonymous individual read-access and write-access to some parts of the Registry.
The permissions set for the Winreg subkey... |
| V-1153 | High | The Send download LanMan compatible password option is not set to Send NTLMv2 response only\refuse LM. | The Kerberos v5 authentication protocol is the default for authentication of users who are logging on to domain accounts. NTLM is retained in later Windows versions for compatibility with... |
| V-1155 | High | The Deny access to this computer from the network user right on domain controllers must be configured to prevent unauthenticated access. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Deny Access from the Network" right defines the accounts that are prevented from... |
| V-2374 | High | The system is configured to autoplay removable media. | Autoplay begins reading from a drive as soon as you insert media in the drive. As a result, the setup file of programs and the music on audio media starts immediately. By default, Autoplay is... |
| V-1093 | High | Anonymous shares are not restricted. | This is a Category 1 finding because it allows anonymous logon users (null session connections) to list all account names and enumerate all shared resources, thus providing a map of potential... |
| V-1145 | High | Automatic logons must be disabled. | Allowing a system to automatically log on when the machine is booted could give access to any unauthorized individual who restarts the computer. Automatic logon with administrator privileges would... |
| V-1140 | High | Users with Administrative privilege are not documented or do not have separate accounts for administrative duties and normal operational tasks. | Using a privileged account to perform routine functions makes the computer vulnerable to attack by any virus or Trojan Horse inadvertently introduced during a session that has been granted full... |
| V-39332 | High | The Active Directory Domain Controllers Organizational Unit (OU) object must have the proper access control permissions. | When Active Directory (AD) objects do not have appropriate access control permissions, it may be possible for malicious users to create, read, update, or delete the objects and degrade or destroy... |
| V-29540 | High | The access control permissions for the Domain and OU group policy must be configured to use the required access permissions. | When directory service database objects do not have appropriate access control permissions, it may be possible for malicious users to create, read, update, or delete the objects and degrade or... |
| V-2908 | High | Unencrypted remote access is permitted to system services. | This is a category 1 finding because when unencrypted access to system services is permitted, an intruder can intercept user identification and passwords that are being transmitted in clear text. ... |
| V-30037 | High | The Task Scheduler service must be disabled. | Unnecessary services increase the attack surface of a system. Some services may be run under the local System account. Compromising a service could allow an intruder to obtain system permissions... |
| V-36451 | High | Policy must require that administrative user accounts not be used with applications that access the internet, such as web browsers, or with potential internet sources, such as email. | Using applications that access the internet or have potential internet sources using administrative privileges exposes a system to compromise. If a flaw in an application is exploited while... |
| V-1121 | High | Installed FTP server is configured to allow access to the system drive. | This is a Category 1 finding because the FTP service allows remote users to access shared files and directories which could provide access to system resources and compromise the system, especially... |
| V-1127 | High | Only administrators responsible for the system must have Administrator rights on the system. | An account that does not have Administrator duties must not have Administrator rights. Such rights would allow the account to bypass or modify required security restrictions on that machine and... |
| V-3339 | High | Unauthorized registry paths are remotely accessible. | This is a Category 1 finding because it could give unauthorized individuals access to the Registry.
It controls which registry paths are accessible from a remote computer. |
| V-7002 | High | DoD information system access will require the use of a password. | The lack of password protection enables anyone to gain access to the information system, which opens a backdoor opportunity for intruders to compromise the system as well as other resources within... |
| V-32282 | High | Standard user accounts must only have Read permissions to the Active Setup\Installed Components registry key. | Permissions on the Active Setup\Installed Components registry key must only allow privileged accounts to add or change registry values. If standard user accounts have this capability there is a... |
| V-14798 | High | Directory data (outside the root DSE) of a non-public directory must be configured to prevent anonymous access. | To the extent that anonymous access to directory data (outside the root DSE) is permitted, read access control of the data is effectively disabled. If other means of controlling access (such as... |
| V-12780 | High | The Synchronize directory service data user right must be configured to include no accounts or groups (blank). | A Windows account with the "Synchronize directory service data" right has the ability to read all information in the AD database. This bypasses the object access permissions that would otherwise... |
| V-36664 | High | The system must not use removable media as the boot loader. | Malicious users with removable boot media can gain access to a system configured to use removable media as the boot loader. |
| V-3343 | High | Solicited Remote Assistance is allowed. | This setting controls whether or not solicited remote assistance is allowed from this computer. Solicited assistance is help that is specifically requested by the user. This is a Category 1... |
| V-3341 | High | Remote control of a Terminal Service session is allowed. | This setting is used to control the rules for remote control of Terminal Services user sessions. This is a Category 1 finding because remote control of sessions could permit an unauthorized user... |
| V-3340 | High | Unauthorized shares can be accessed anonymously. | This is a Category 1 finding because the potential for gaining unauthorized system access. Any shares listed can be accessed by any network user. This could lead to the exposure or corruption of... |
| V-3344 | High | The use of local accounts with blank passwords is not restricted to console logons only. | This is a Category 1 finding because no accounts with blank passwords should exist on a system. The password policy should prevent this from occurring. However, if a local account with a blank... |
| V-4443 | High | Unauthorized registry paths and sub-paths are remotely accessible. | The registry is a database for computer configuration information, much of which is sensitive. An attacker could use this to facilitate unauthorized activities. To reduce the risk of this... |
| V-3338 | High | Unauthorized named pipes are accessible with anonymous credentials. | This is a Category 1 finding because the potential for gaining unauthorized system access. Pipes are internal system communications processes. They are identified internally by ID numbers that... |
| V-3337 | High | Anonymous SID/Name translation is allowed. | This is a Category 1 finding because this setting controls the ability of users or process that have authenticated as anonymous users to perform SID/Name translation. This setting should be... |
| V-14820 | High | Domain Controller PKI certificates must be issued by the DoD PKI or an approved External Certificate Authority (ECA). | A PKI implementation depends on the practices established by the Certificate Authority (CA) to ensure the implementation is secure. Without proper practices, the certificates issued by a CA have... |
| V-2370 | High | The access control permissions for the directory service site group policy must be configured to use the required access permissions. | When directory service database objects do not have appropriate access control permissions, it may be possible for malicious users to create, read, update, or delete the objects and degrade or... |
| V-1102 | High | Unauthorized users are granted right to Act as part of the operating system. | This is a Category 1 finding because users and user groups that are assigned this right can bypass all security protective mechanisms that apply to all users, including administrators. Accounts... |
| V-3379 | High | The system is configured to store the LAN Manager hash of the password in the SAM. | This setting controls whether or not a LAN Manager hash of the password is stored in the SAM the next time the password is changed. The LAN Manager hash is a weak encryption algorithm and there... |
| V-17900 | High | Disallow AutoPlay/Autorun from Autorun.inf | This registry key will prevent the autorun.inf from executing commands. |
| V-1077 | Medium | Access permissions for event logs must conform to minimum requirements. | Event logs are susceptible to unauthorized, and possibly anonymous, tampering if proper access permissions are not applied. |
| V-1072 | Medium | Shared user accounts are permitted on the system. | Shared accounts do not provide individual accountability for system access and resource usage. |
| V-1070 | Medium | Physical security of the Automated Information System (AIS) does not meet DISA requirements. | Inadequate physical protection can undermine all other security precautions utilized to protect the system. This can jeopardize the confidentiality, availability, and integrity of the system. ... |
| V-4446 | Medium | Software certificate restriction policies are not enforced. | Software restriction policies help to protect users and computers from executing unauthorized code such as viruses and Trojans horses.
|
| V-56569 | Medium | The system must be configured to collect unplanned Windows server shutdown events. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-3384 | Medium | The system is not configured to make the object creator the owner of objects created by administrators. | Either the object creator or the Administrators group owns objects created by members of the Administrators group. In order to ensure accurate auditing and proper accountability, the default... |
| V-3381 | Medium | The system is not configured to recommended LDAP client signing requirements. | This setting controls the signing requirements for LDAP clients. This setting should be set to Negotiate signing or Require signing depending on the environment and type of LDAP server in use. |
| V-3380 | Medium | The system is not configured to force users to log off when their allowed logon hours expire. | This setting controls whether or not users are forced to log off when their allowed logon hours expire. If logon hours are set for users, then this should be enforced. |
| V-39330 | Medium | The Active Directory RID Manager$ object must be configured with proper audit settings. | When inappropriate audit settings are configured for directory service database objects, it may be possible for a user or process to update the data without generating any tracking data. The... |
| V-3460 | Medium | Terminal Services is not configured to disconnect clients when time limits are exceeded. | This setting, which is located under the Sessions section of the Terminal Services configuration option, controls whether or not clients are forcefully disconnected if their terminal services time... |
| V-3469 | Medium | The system is configured to prevent background refresh of Group Policy. | If this setting is enabled, then Group Policy settings are not refreshed while a user is currently logged on. This could lead to instances when a user does not have the latest changes to a policy... |
| V-15823 | Medium | Remove Software Certificate Installation Files | This check verifies that software certificate installation files have been removed from a system. |
| V-56511 | Medium | The Error Reporting Service must be running and configured to start automatically. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. |
| V-56567 | Medium | The system must be configured to collect operating system kernel errors. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-56515 | Medium | The system must be configured to store error reports locally, on the system or in the enclave, not send them to Microsoft. | Forwarding error reports to vendors could expose sensitive information. This setting controls the configuration of a local or DOD-wide error reporting site. In order to not send the data to any... |
| V-3375 | Medium | Domain Controller authentication is not required to unlock the workstation. | This setting controls the behavior of the system when you attempt to unlock the workstation. If this setting is enabled, the system will pass the credentials to the domain controller (if in a... |
| V-1168 | Medium | Members of the Backup Operators group must have separate accounts for backup duties and normal operational tasks. | Backup Operators are able to read and write to any file in the system, regardless of the rights assigned to it. Backup and restore rights permit users to circumvent the file access restrictions... |
| V-1164 | Medium | Outgoing secure channel traffic is not signed when possible. | Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but the channel is not integrity checked. If this policy is enabled, all... |
| V-1166 | Medium | The Windows SMB client is not enabled to perform SMB packet signing when possible. | If this policy is enabled, it causes the Windows Server Message Block (SMB) client to perform SMB packet signing when communicating with an SMB server that is enabled or required to perform SMB... |
| V-1163 | Medium | Outgoing secure channel traffic is not encrypted when possible. | Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but not all information is encrypted. If this policy is enabled, outgoing secure... |
| V-1162 | Medium | The Windows SMB server is not enabled to perform SMB packet signing when possible. | If this policy is enabled, it causes the Windows Server Message Block (SMB) server to perform SMB packet signing. |
| V-3471 | Medium | The system must be configured to collect error information. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. |
| V-3470 | Medium | The system is configured to allow unsolicited remote assistance offers. | This setting controls whether unsolicited offers of help to this computer are allowed. The list of users allowed to offer remote assistance to this system is accessed by pressing the Helpers button. |
| V-1088 | Medium | Registry key auditing configuration does not meet minimum requirements. | Improper modification of the Registry can render a system useless. Modifications to the Registry can have a significant impact on the security configuration of the system. Auditing of... |
| V-1089 | Medium | The required legal notice must be configured to display before console logon. | Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access to system resources. |
| V-3479 | Medium | The system is not configured to use Safe DLL Search Mode. | The default search behavior, when an application calls a function in a Dynamic Link Library (DLL), is to search the current directory followed by the directories contained in the systems path... |
| V-3478 | Medium | The system is configured to allow installation of printers using kernel-mode drivers. | Kernel-mode drivers are drivers that operate in kernel mode. Kernel mode allows virtually unlimited access to hardware and memory. A poorly written kernel driver may cause system instability and... |
| V-1080 | Medium | File-auditing configuration does not meet minimum requirements. | Improper modification of the core system files can render a system inoperable. Further, modifications to these system files can have a significant impact on the security configuration of the... |
| V-36704 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) Protection Profile for Popular Software must be implemented. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention (DEP)... |
| V-36705 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) system-wide Data Execution Prevention (DEP) must be enabled and configured to at least Application Opt Out. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention (DEP)... |
| V-6850 | Medium | Auditing must be configured as required. | Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as detect attacks. ... |
| V-56565 | Medium | The system must be configured to collect all Windows application errors. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-6836 | Medium | For systems utilizing a logon ID as the individual identifier, passwords must be a minimum of 14 characters in length. | Information systems not protected with strong password schemes including passwords of minimum length provide the opportunity for anyone to crack the password thus gaining access to the system and... |
| V-27109 | Medium | File Replication Service (FRS) directory data files must have proper access control permissions. | Improper access permissions for directory data files could allow unauthorized users to read, modify, or delete directory data. |
| V-6832 | Medium | The Windows Server SMB client is not enabled to always perform SMB packet signing. | If this policy is enabled, it causes the Windows Server Message Block (SMB) client to perform SMB packet signing when communicating with an SMB server that is enabled or required to perform SMB... |
| V-6833 | Medium | The Windows Server SMB server is not enabled to always perform SMB packet signing. | If this policy is enabled, it causes the Windows Server Message Block (SMB) server to always perform SMB packet signing. |
| V-6830 | Medium | DCOM calls are not executed under the security context of the calling user. | DCOM calls are executed under the security context of the calling user by default. If the RunAs key has been altered, the DCOM calls can be executed under the user context of the currently logged... |
| V-6831 | Medium | Outgoing secure channel traffic is not encrypted or signed. | Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but not all information is encrypted. If this policy is enabled, outgoing secure... |
| V-8326 | Medium | The directory server supporting (directly or indirectly) system access or resource authorization must run on a machine dedicated to that function. | Executing application servers on the same host machine with a directory server may substantially weaken the security of the directory server. Web or database server applications usually require... |
| V-8327 | Medium | Windows services that are critical for directory server operation must be configured for automatic startup. | Active Directory (AD) is dependent on several Windows services. If one or more of these services is not configured for automatic startup, AD functions may be partially or completely unavailable... |
| V-8320 | Medium | Directory server directories and files must be configured with required permissions. | Improper access permissions for directory server program (executable) and configuration files could allow unauthorized and malicious users to read, modify, or delete those files and change the way... |
| V-14262 | Medium | IPv6 must be disabled until a deliberate transition strategy has been implemented. | Any nodes’ interface with IPv6 enabled by default presents a potential risk of traffic being transmitted or received without proper risk mitigation strategy and is therefore, a serious security concern. |
| V-8322 | Medium | Time synchronization must be enabled on the domain controller. | When a directory service using multi-master replication (such as AD) executes on computers that do not have synchronized time, directory data may be corrupted or updated invalidly.
The lack of... |
| V-1154 | Medium | Ctrl+Alt+Del security attention sequence is Disabled. | Disabling the Ctrl+Alt+Del security attention sequence can compromise system security. Because only Windows responds to the Ctrl+Alt+Del security sequence, you can be assured that any passwords... |
| V-3289 | Medium | A Server does not have a host-based Intrusion Detection System. | A properly configured Host-based Intrusion Detection System provides another level of defense against unauthorized access to critical servers. With proper configuration and logging enabled, such... |
| V-1099 | Medium | Lockout duration does not meet minimum requirements. | This parameter specifies the amount of time that must pass before a locked-out account is automatically unlocked by the system. |
| V-1098 | Medium | Time before bad-logon counter is reset does not meet minimum requirements. | This parameter specifies the amount of time that must pass between two successive login attempts to ensure that a lockout will occur. The smaller this value is, the less effective the account... |
| V-2373 | Medium | The Server Operators group must have the ability to schedule jobs by means of the AT command disabled. | This policy controls the ability of members of the local Server Operators group to schedule AT jobs. If disabled, only administrators can schedule jobs that use AT commands. Unlike Scheduled Tasks... |
| V-2372 | Medium | Reversible password encryption is not disabled. | Storing passwords using reversible encryption is essentially the same as storing clear-text versions of the passwords. For this reason, this policy should never be enabled. |
| V-2377 | Medium | The Kerberos service ticket maximum lifetime must meet minimum standards. | This setting determines the maximum amount of time (in minutes) that a granted session ticket can be used to access a particular service. Session tickets are used only to authenticate new... |
| V-2376 | Medium | The Kerberos policy option must be configured to enforce user logon restrictions. | This policy setting determines whether the Kerberos Key Distribution Center (KDC) validates every request for a session ticket against the user rights policy of the target computer. The policy is... |
| V-3383 | Medium | The system is not configured to use FIPS compliant Algorithms for Encryption, Hashing, and Signing. | This setting ensures that the system uses algorithms that are FIPS compliant for encryption, hashing, and signing. FIPS compliant algorithms meet specific standards established by the U.S.... |
| V-1095 | Medium | Anonymous access to the event logs is not restricted. | By default, the Windows event logs may be viewed over the network by an anonymous user. This method of access over the network is communicating through the Server service which has SYSTEM access... |
| V-3349 | Medium | Windows Messenger (MSN Messenger, .NET messenger) is run at system startup. | This setting prevents the automatic launch of Windows Messenger at user logon.
Instant Messaging clients must be in compliance of with the Instant Messaging STIG. Windows Messenger should not... |
| V-1097 | Medium | Number of allowed bad-logon attempts does not meet minimum requirements. | The account lockout feature, when enabled, prevents brute-force password attacks on the system. The higher this value is, the less effective the account lockout feature will be in protecting the... |
| V-3382 | Medium | The system is not configured to meet the minimum requirement for session security for NTLM SSP based Clients. | Microsoft has implemented a variety of security support providers for use with RPC sessions. In a homogenous Windows environment, all of the options should be enabled and testing should be... |
| V-3372 | Medium | The system can be removed from the docking station without logging on first. | This setting controls the ability to undock the system without having to log on. Since the removal of a computer should be controlled, users should have to log on before undocking the computer to... |
| V-3348 | Medium | The user is allowed to launch Windows Messenger (MSN Messenger, .NET Messenger). | This setting prevents the Windows Messenger client from being run.
Instant Messaging clients must be in compliance of with the Instant Messaging STIG. Windows Messenger should not be active on... |
| V-3376 | Medium | The system is configured to permit storage of credentials or .NET Passports. | This setting controls the storage of authentication credentials or .NET passports on the local system. Such credentials should never be stored on the local machine as that may lead to account compromise. |
| V-3377 | Medium | The system is configured to give anonymous users Everyone rights. | This setting helps define the permissions that anonymous users have. If this setting is enabled then anonymous users have the same rights and permissions as the built-in Everyone group. ... |
| V-3374 | Medium | The system is not configured to require a strong session key. | This setting controls the required strength of a session key. |
| V-3378 | Medium | The system is not configured to use the Classic security model. | Windows includes two network-sharing security models - Classic and Guest only. With the classic model, local accounts must be password protected; otherwise, anyone can use guest user accounts to... |
| V-1171 | Medium | Ejection of removable NTFS media is not restricted to Administrators. | Removable hard drives can be formatted and ejected by others who are not members of the Administrators Group, if they are not properly configured. Formatting and ejecting removable NTFS media... |
| V-1141 | Medium | Unencrypted password is sent to 3rd party SMB Server. | Some non-Microsoft SMB servers only support unencrypted (plain text) password authentication. Sending plain text passwords across the network, when authenticating to an SMB server, reduces the... |
| V-6825 | Medium | A Windows system has an incorrect default DCOM authorization level. | The DCOM default authentication level has been detected to be below the required setting. If the authentication level is None, then any user can access any object on the system without authentication. |
| V-6826 | Medium | A Windows system has a writable DCOM configuration. | A registry key for a valid DCOM object has access permissions that allow non-administrator users to change the security settings. If DCOM security settings are inadvertently set to a low level of... |
| V-14271 | Medium | Application account passwords length and change requirement | Setting application accounts to expire may cause applications to stop functioning. The site will have a policy that application account passwords manually generated and entered by a system... |
| V-3342 | Medium | The computer does not wait for the network at computer startup. | The setting determines if Windows waits for complete network initialization before allowing the user to log on. Part of this initialization is the application of Group Policy. This may permit a... |
| V-3459 | Medium | Terminal Services is not configured to allow only the original client to reconnect. | This setting, which is located under the Sessions section of the Terminal Services configuration option, controls whether a different client may be used to resume a disconnected session. Only the... |
| V-3458 | Medium | Terminal Services idle session time limit does not meet the requirement. | This setting controls how long a session may be idle before it is automatically disconnected from the server. Users should disconnect if they plan on being away from their terminals for extended... |
| V-3450 | Medium | Terminal Services is not configured to limit the number of connections. | This setting limits the number of simultaneous connections allowed to the terminal server. By default, unlimited connections are allowed. Allowing unlimited connections allows a potential DoS... |
| V-3457 | Medium | Terminal Services is not configured to set a time limit for disconnected sessions. | This setting controls how long a session will remain open if it is unexpectedly terminated. Such sessions should be terminated as soon as possible. |
| V-3456 | Medium | Terminal Services is not configured to delete temporary folders. | This setting, which is located under the Temporary Folders section of the Terminal Services configuration option, controls the deletion of the temporary folders when the session is terminated. ... |
| V-3455 | Medium | Terminal Services is configured to use a common temporary folder for all sessions. | This setting, which is located under the Temporary Folders section of the Terminal Services configuration option, controls the use of per session temporary folders or of a communal temporary... |
| V-3454 | Medium | Terminal Services is not configured with the client connection encryption set to the required level. | Remote connections must be encrypted to prevent interception of data or sensitive information. Selecting “High Level” will ensure encryption of Terminal Services sessions in both directions. |
| V-4407 | Medium | Domain Controllers must require LDAP signing. | Unsigned network traffic is susceptible to man-in-the-middle attacks where an intruder captures packets between the server and the client and modifies them before forwarding them to the client. ... |
| V-3369 | Medium | Restricted accounts are not disabled. | Several new accounts are created as part of the default installation. As these accounts are well known they may represent prime attack targets. To help prevent attacks using the well-known... |
| V-1130 | Medium | ACLs for system files and directories do not conform to minimum requirements. | Failure to properly configure ACL file and directory permissions, allows the possibility of unauthorized and anonymous modification to the operating system and installed applications. |
| V-1131 | Medium | A password filter that enforces DoD requirements is not installed. | Password complexity software (e.g., Password Policy Enforcer) enforces a minimum mix of character types and potentially other options to create strong passwords. The following policy will be... |
| V-2907 | Medium | System files are not checked for unauthorized changes. | Comparing system files against a baseline on a regular basis will detect the possibility of introduction of malicious code on the system. |
| V-1139 | Medium | The option to prevent the password in dial-up networking from being saved is not enabled. | The default Windows configuration enables the option to save the password used to gain access to a remote server using the dial-up networking feature. With this option enabled, an unauthorized... |
| V-14247 | Medium | Terminal Services / Remote Desktop Service - Prevent password saving in the Remote Desktop Client | This check verifies that the system is configured to prevent Users from saving passwords in the Remote Desktop Client. |
| V-1119 | Medium | Booting into alternate operating systems is permitted. | Allowing other operating systems to run on a secure system, can allow users to circumvent security. If more than one operating system is installed on a computer, each must be configured to be... |
| V-1114 | Medium | The built-in guest account has not been renamed. | A system faces an increased vulnerability threat if the built-in guest account is not renamed or disabled. The built-in guest account is a known user account on all Windows systems, and as... |
| V-6840 | Medium | To the extent system capabilities permit, system mechanisms will be implemented to enforce automatic expiration of passwords and to prevent reuse. | Passwords that do not expire or are reused increase the exposure of a password with greater probability of being discovered or cracked. |
| V-1115 | Medium | The built-in administrator account has not been renamed. | The built-in administrator account is a well known account. Renaming the account to an unidentified name improves the protection of this account and the system. |
| V-3426 | Medium | The system is configured to allow remote desktop sharing through NetMeeting. | Remote desktop sharing enables several users to interact and control one desktop. This could allow unauthorized users to control the system. Remote desktop sharing should be disabled. |
| V-1120 | Medium | Installed FTP server is configured to allow prohibited logins. | The FTP (File Transfer Protocol) service allows remote users to access shared files and directories. Allowing anonymous FTP makes user auditing difficult.
Using accounts that have administrator... |
| V-1122 | Medium | The system configuration is not set with a password-protected screen saver. | The system should be locked when unattended. Unattended systems are susceptible to unauthorized use. The screen saver should be set at a maximum of 15 minutes and password protected. This... |
| V-4107 | Medium | Windows operating systems that are no longer supported by the vendor for security updates must not be installed on a system. | Windows operating systems that are no longer supported by Microsoft for security updates are not evaluated or updated for vulnerabilities leaving them open to potential attack. Prior to the end... |
| V-3491 | Medium | There is no local policy for reviewing audit logs. | To be of value, audit logs from servers and other critical systems will be reviewed on a daily basis to identify security breaches and potential weaknesses in the security structure. This can be... |
| V-56559 | Medium | The system must be configured to collect all application error reports. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-56557 | Medium | The system must be configured to prevent the display of error messages to the user. | Displaying error messages to users provides them the option of sending the reports. Error reports should be sent silently, unknown to the user. This setting controls whether users are shown an... |
| V-26486 | Medium | The Deny log on through Terminal Services user right on domain controllers must prevent all access if TS is not used by the organization. If TS is used, it must be configured to prevent unauthenticated access. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Deny log on through Terminal Services" right defines the accounts that are... |
| V-1113 | Medium | The built-in guest account is not disabled. | A system faces an increased vulnerability threat if the built-in guest account is not disabled. This account is a known account that exists on all Windows systems and cannot be deleted. This... |
| V-56551 | Medium | The system must be configured to queue error reports. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting will... |
| V-3828 | Medium | Security-related Software Patches are not applied. | Major software vendors release security patches and hot fixes to their products when security vulnerabilities are discovered. It is essential that these updates be applied in a timely manner to... |
| V-26484 | Medium | The Deny log on as a service user right will be configured to include no one (blank). | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Deny log on as a service" right defines accounts that are denied log on as a... |
| V-32274 | Medium | The DoD Interoperability Root CA 1 to DoD Root CA 2 cross certificate must be installed. | To ensure that users do not experience denial of service on NIPRNet when performing certificate-based authentication to DoD websites due to the system chaining to a root other than DoD Root CA 2,... |
| V-1117 | Medium | Security events are not properly preserved. | DOD policy requires that a security audit log be maintained and that events in the log not be automatically overwritten. Required audit data is lost if event logs are configured to overwrite the... |
| V-32272 | Medium | The DoD Root Certificate must be installed. | To ensure secure DoD websites and DoD signed code are properly validated, the system must trust the DoD Root CA 2. The DOD root certificate will ensure that the trust chain is established for... |
| V-36663 | Medium | System BIOS or system controllers must have administrator accounts/passwords configured. | A system's BIOS or system controller handles the initial startup of a system, and its configuration must be protected from unauthorized modification. When the BIOS or system controller supports... |
| V-40195 | Medium | System BIOS or system controllers must not allow user-level access. | A system's BIOS or system controller handles the initial startup of a system, and its configuration must be protected from unauthorized modification. When the BIOS or system controller supports... |
| V-2380 | Medium | The Kerberos policy option Maximum tolerance for computer clock synchronization must be set to a maximum of 5 minutes or less. | This setting determines the maximum time difference (in minutes) that Kerberos will tolerate between the time on a client's clock and the time on a server's clock while still considering the two... |
| V-3480 | Medium | Media Player must be configured to prevent automatic checking for updates. | Uncontrolled system updates can introduce issues to a system. The automatic check for updates performed by Windows Media Player must be disabled to ensure a constant platform and to prevent the... |
| V-1118 | Medium | Event log sizes do not meet minimum requirements. | Inadequate log size will cause the log to fill up quickly and require frequent clearing by administrative personnel. |
| V-4448 | Medium | Group Policy objects are not reprocessed if they have not changed. | Enabling this setting and then selecting the "Process even if the Group Policy objects have not changed" option ensures that the policies will be reprocessed even if none have been changed. This... |
| V-3481 | Medium | Media Player is configured to allow automatic CODEC downloads. | The Windows Media Player uses software components, referred to as CODECs, to play back media files. By default, when an unknown file type is opened with the Media Player it will search the... |
| V-4447 | Medium | The Terminal Server does not require secure RPC communication. | Allowing unsecure RPC communication exposes the server to man in the middle attacks and data disclosure attacks. A man in the middle attack occurs when an intruder captures packets between a... |
| V-1137 | Medium | An Auditors group has not been created to restrict access to the Windows Event Logs. | The Security Event Log contains information on security exceptions that occur on the system. This data is critical for identifying security vulnerabilities and intrusions. The Application and... |
| V-3385 | Medium | The system is configured to allow case insensitivity. | This setting controls the behavior of non-Windows subsystems when dealing with the case of arguments or commands. Case sensitivity could lead to the access of files or commands that should be... |
| V-56545 | Medium | The system must be configured to collect additional files and include in error reports. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-56547 | Medium | The system must be configured to collect additional information about the system when error reports are generated. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-14226 | Medium | Audit logs are archived to prevent loss. | This check verifies that Audit logs are archived to ensure data is not being lost. Audit logs are retained for at least one year, systems containing source and methods intelligence (SAMI) will be... |
| V-14225 | Medium | Administrator Passwords are changed when necessary. | This check verifies that the passwords for the default and backup administrator accounts are changed at least annually or when any member of the administrative team leaves the organization.
|
| V-14224 | Medium | The system does not have a backup administrator account | This check verifies that a backup administrator account has been created to ensure system availability in the event that no administrators are able or available to access the system. The built-in... |
| V-14783 | Medium | Separate, NSA-approved (Type 1) cryptography must be used to protect the directory data-in-transit for directory service implementations at a classified confidentiality level when replication data traverses a network cleared to a lower level than the data. | Commercial-grade encryption does not provide adequate protection when the classification level of directory data in transit is higher than the level of the network or when sources and methods... |
| V-56561 | Medium | The system must be configured to collect Microsoft application errors. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-3487 | Medium | Unnecessary services must be disabled. | Unnecessary services increase the attack surface of a system. Some services may be run under the local System account, which generally has more permissions than required by the service. ... |
| V-1157 | Medium | The Smart Card removal option is set to take no action. | Determines what should happen when the smart card for a logged-on user is removed from the smart card reader.
The options are:
- No Action
- Lock Workstation
- Force Logoff |
| V-2371 | Medium | ACLs for disabled services do not conform to minimum standards. | When configuring either the startup mode or access control list for a service, you must configure the other as well. When a service is explicitly disabled, its ACL should also be secured by... |
| V-1103 | Medium | User rights assignments must meet minimum requirements. | Inappropriate granting of user and advanced user rights can provide system, administrative, and other high level capabilities not required by the normal user. |
| V-3245 | Medium | File share ACLs have not been reconfigured to remove the Everyone group. | By default, the Everyone group is given full control to new file shares. When a share is created, permissions should be reconfigured to give the minimum access to those accounts that require it. |
| V-1107 | Medium | Password uniqueness does not meet minimum requirements. | A system is more vulnerable to unauthorized access when system users recycle the same password several times without being required to change a password to a unique password on a regularly... |
| V-1105 | Medium | Minimum password age does not meet minimum requirements. | Permitting passwords to be changed in immediate succession within the same day, allows users to cycle passwords through their history database. This enables users to effectively negate the... |
| V-1104 | Medium | Maximum password age does not meet minimum requirements. | The longer a password is in use, the greater the opportunity for someone to gain unauthorized knowledge of the passwords. Further, scheduled changing of passwords hinders the ability of... |
| V-4444 | Medium | Users must enter a password to access private keys. | Configuring this setting so that users must provide a password (distinct from their domain password) every time they use a key makes it more difficult for an attacker to access locally stored user... |
| V-3449 | Medium | Terminal Services is not configured to limit users to one remote session. | This setting limits users to one remote session. It is possible, if this setting is disabled, for users to establish multiple sessions. |
| V-26483 | Medium | The Deny log on as a batch job user right on domain controllers must be configured to prevent unauthenticated access. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Deny log on as a batch job" right defines accounts that are prevented from... |
| V-39327 | Medium | The Active Directory Infrastructure object must be configured with proper audit settings. | When inappropriate audit settings are configured for directory service database objects, it may be possible for a user or process to update the data without generating any tracking data. The... |
| V-39326 | Medium | The Active Directory Domain object must be configured with proper audit settings. | When inappropriate audit settings are configured for directory service database objects, it may be possible for a user or process to update the data without generating any tracking data. The... |
| V-39325 | Medium | Active Directory Group Policy objects must be configured with proper audit settings. | When inappropriate audit settings are configured for directory service database objects, it may be possible for a user or process to update the data without generating any tracking data. The... |
| V-26485 | Medium | The Deny log on locally user right on domain controllers must be configured to prevent unauthenticated access. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Deny log on locally" right defines accounts that are prevented from logging on... |
| V-15488 | Medium | For unclassified systems, the directory server must be configured to use the CAC, PIV compliant hardware token, or Alternate Logon Token (ALT) for authentication. | CTO 07-015 requires PKI authentication. PKI is a two-factor authentication technique, thus it provides a higher level of trust in the asserted identity than use of the username/password... |
| V-2378 | Medium | The Kerberos policy option maximum lifetime for user ticket must be set to a maximum of 10 hours or less. | In Kerberos, there are 2 types of tickets: Ticket Granting Tickets (TGTs) and Service Tickets. Kerberos tickets have a limited lifetime so the time an attacker has to implement an attack is... |
| V-39329 | Medium | The Active Directory AdminSDHolder object must be configured with proper audit settings. | When inappropriate audit settings are configured for directory service database objects, it may be possible for a user or process to update the data without generating any tracking data. The... |
| V-39328 | Medium | The Active Directory Domain Controllers Organizational Unit (OU) object must be configured with proper audit settings. | When inappropriate audit settings are configured for directory service database objects, it may be possible for a user or process to update the data without generating any tracking data. The... |
| V-3666 | Medium | The system is not configured to meet the minimum requirement for session security for NTLM SSP based Servers. | Microsoft has implemented a variety of security support providers for use with RPC sessions. In a homogenous Windows environment, all of the options should be enabled and testing should be... |
| V-2379 | Medium | The Kerberos policy option Maximum lifetime for user ticket renewal must be configured for a maximum of 7 days or less. | This setting determines the period of time (in days) during which a users TGT may be renewed. This security configuration limits the amount of time an attacker has to crack the TGT and gain access. |
| V-40237 | Medium | The US DoD CCEB Interoperability Root CA 1 to DoD Root CA 2 cross-certificate must be installed into the Untrusted Certificates Store. | To ensure users do not experience denial of service on NIPRNet when performing certificate-based authentication to DoD websites due to the system chaining to a root other than DoD Root CA 2, the... |
| V-1076 | Low | System information backups are not created, updated, and protected according to DISA requirements. | Recovery of a damaged or compromised system in a timely basis is difficult without a system information backup. A system backup will usually include sensitive information such as user accounts... |
| V-1075 | Low | The system allows shutdown from the logon dialog box. | Displaying the shutdown button may allow individuals to shut down a system anonymously. Only authenticated users should be allowed to shut down the system. Preventing display of this button in... |
| V-1174 | Low | Amount of idle time required before suspending a session is improperly set. | Administrators should use this setting to control when a computer disconnects an inactive SMB session. If client activity resumes, the session is automatically reestablished. This protects... |
| V-1172 | Low | Users are not warned in advance that their passwords will expire. | This setting configures the system to display a warning to users telling them how many days are left before their password expires. By giving the user advanced warning, the user has time to... |
| V-1173 | Low | The default permissions of Global system objects are not increased. | Windows system maintains a global list of shared system resources such as DOS device names, mutexes, and semaphores. Each type of object is created with a default DACL that specifies who can... |
| V-3472 | Low | The system is configured to use an unauthorized time server. | The Windows Time Service controls time synchronization settings. Time synchronization is essential for authentication and auditing purposes. If the Windows Time Service is used, it should... |
| V-1165 | Low | The computer account password is prevented from being reset. | As a part of Windows security, computer account passwords are changed automatically. Enabling this policy to disable automatic password changes can make the system more vulnerable to malicious... |
| V-1160 | Low | The unsigned driver installation behavior is improperly set. | Determines what should happen when an attempt is made to install a device driver (by means of the Windows device installer) that has not been certified by the Windows Hardware Quality Lab... |
| V-1150 | Low | The built-in Microsoft password filter is not enabled. | The use of complex passwords increases their strength against guessing. This policy setting configures the system to verify that newly-created passwords conform to the Windows password complexity policy. |
| V-1151 | Low | Print driver installation privilege is not restricted to administrators. | By default, the print spooler allows any user to add and to delete printer drivers on the local system. This capability should be restricted to authorized personnel. |
| V-1091 | Low | System does not halt once an event log has reached its maximum size. | If the security log is full, it becomes possible for some events to not be logged. Selecting this option will halt the computer when the log is full to prevent losing any events. If the system... |
| V-3373 | Low | The maximum age for machine account passwords is not set to requirements. | This setting controls the maximum password age that a machine account may have. This setting should be set to no more than 30 days, ensuring the machine changes its password monthly. |
| V-26359 | Low | The Windows dialog box title for the legal banner must be configured. | Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access to system resources. |
| V-8324 | Low | The time synchronization tool must be configured to enable logging of time source switching. | When a time synchronization tool executes, it may switch between time sources according to network or server contention. If switches between time sources are not logged, it may be difficult or... |
| V-14831 | Low | The directory service must be configured to terminate LDAP-based network connections to the directory server after five (5) minutes of inactivity. | The failure to terminate inactive network connections increases the risk of a successful attack on the directory server. The longer an established session is in progress, the more time an attacker... |
| V-4408 | Low | The domain controller must be configured to allow reset of machine account passwords. | Enabling this setting on all domain controllers in a domain prevents domain members from changing their computer account passwords. If these passwords are weak or compromised, the inability to... |
| V-1136 | Low | Users must be forcibly disconnected when their logon hours expire. | Users must not be permitted to remain logged on to the network after they have exceeded their permitted logon hours. In many cases, this indicates that a user forgot to log off before leaving for... |
| V-1135 | Low | Printer share permissions are not configured as recommended. | Improperly configured share permissions on printers can permit the addition of unauthorized print devices on the network. Windows shares are a means by which files, folders, printers, and other... |
| V-1126 | Low | The Recycle Bin on a Server is not configured to delete files. | The Recycle Bin saves a copy of a file when it is deleted through Windows Explorer. This poses a security risk. A user may delete a sensitive file, yet still leave a copy of that file in the Recycle Bin. |
| V-4438 | Low | TCP data retransmissions are not controlled. | In a SYN flood attack, the attacker sends a continuous stream of SYN packets to a server, and the server leaves the half-open connections open until it is overwhelmed and no longer is able to... |
| V-4437 | Low | TCP connection response retransmissions are not controlled. | In a SYN flood attack, the attacker sends a continuous stream of SYN packets to a server, and the server leaves the half-open connections open until it is overwhelmed and no longer is able to... |
| V-4111 | Low | The system is configured to redirect ICMP. | When disabled, forces ICMP to be routed via shortest path first. |
| V-4108 | Low | The system does not generate an audit event when the audit log reaches a percent full threshold. | When the audit log reaches a given percent full, an audit event is written to the security log. The event ID is 523 and is recorded as a success audit under the category of System. This option may... |
| V-4109 | Low | The system must be configured to disable dead gateway detection. | Dead gateway detection allows switching to a backup gateway if a number of connections to a gateway are experiencing difficulty. An attacker could force internal traffic to be directed to a... |
| V-1128 | Low | Security configuration tools or equivalent processes must be used to configure and maintain platforms for security compliance. | Security configuration tools such as Group Policies and Security Templates allow system administrators to consolidate security-related system settings into a single configuration file. These... |
| V-56555 | Low | The system must be configured to replace occurrences of the word, Microsoft, with a specified string in all error report dialogs. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-1158 | Low | The Recovery Console SET command is enabled. | Enabling this option enables the Recovery Console SET command, which allows you to set Recovery Console environment variables. This permits floppy copy and access to all drives and folders. |
| V-14797 | Low | Anonymous access to the root DSE of a non-public directory must be disabled. | Allowing anonymous access to the root DSE data on a directory server provides potential attackers with a number of details about the configuration and data contents of a directory. For example,... |
| V-11806 | Low | The system is configured to allow the display of the last user name on the logon screen. | The user name of the last user to log onto a system will not be displayed. This eliminates half of the Userid/Password equation that an unauthorized person would need to log on. |
| V-4113 | Low | The system is configured for a greater keep-alive time than recommended. | Controls how often TCP sends a keep-alive packet in attempting to verify that an idle connection is still intact. |
| V-4112 | Low | The system is configured to detect and configure default gateway addresses. | Enables or disables the Internet Router Discovery Protocol (IRDP) used to detect and configure Default Gateway addresses on the computer. |
| V-4110 | Low | The system is configured to allow IP source routing. | Protects against IP source routing spoofing. |
| V-4117 | Low | The system is configured to allow SYN attacks. | Adjusts retransmission of TCP SYN-ACKs. When enabled, connection responses time out more quickly in the event of a SYN DoS attack. |
| V-4116 | Low | The system is configured to allow name-release attacks. | Prevents a denial-of-service (DoS) attack against a WINS server. The DoS consists of sending a NetBIOS Name Release Request to the server for each entry in the servers cache, causing a response... |
| V-4442 | Low | This check verifies that Windows is configured to have password protection take effect within a limited time frame when the screen saver becomes active. | Allowing more than several seconds makes the computer vulnerable to a potential attack from someone walking up to the console to attempt to log onto the system before the lock takes effect. |
| V-4445 | Low | Optional Subsystems are permitted to operate on the system. | The POSIX subsystem is an Institute of Electrical and Electronic Engineers (IEEE) standard that defines a set of operating system services. The POSIX Subsystem is required if the server supports... |
| V-56549 | Low | The system must be configured to prevent the display of any error dialog links to any website. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. This setting... |
| V-1112 | Low | User account is dormant. | Outdated or unused accounts, provide penetration points that may go undetected. |
| V-1090 | Low | Caching of logon credentials is not limited. | The default Windows configuration caches the last logon credentials for users who log on interactively to a system. This feature is provided for system availability reasons such as the user’s... |
