II - Mission Support Sensitive
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000296
<GroupDescription></GroupDescription>Group -
The network device must be configured to provide a logout mechanism for administrator-initiated communication sessions.
<VulnDiscussion>If an administrator cannot explicitly end a device management session, the session may remain open and be exploited by an att...Rule Medium Severity -
SRG-APP-000297
<GroupDescription></GroupDescription>Group -
The network device must display an explicit logout message to administrators indicating the reliable termination of authenticated communications sessions.
<VulnDiscussion>If an explicit logout message is not displayed and the administrator does not expect to see one, the administrator may inadve...Rule Medium Severity -
SRG-APP-000317
<GroupDescription></GroupDescription>Group -
The network device must terminate shared/group account credentials when members leave the group.
<VulnDiscussion>A shared/group account credential is a shared form of authentication that allows multiple individuals to access the network d...Rule Medium Severity -
SRG-APP-000319
<GroupDescription></GroupDescription>Group -
The network device must automatically audit account enabling actions.
<VulnDiscussion>Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of reestab...Rule Medium Severity -
SRG-APP-000328
<GroupDescription></GroupDescription>Group -
If the network device uses discretionary access control, the network device must enforce organization-defined discretionary access control policies over defined subjects and objects.
<VulnDiscussion>Discretionary Access Control (DAC) is based on the notion that individual network administrators are "owners" of objects and ...Rule Medium Severity -
SRG-APP-000329
<GroupDescription></GroupDescription>Group -
If the network device uses role-based access control, the network device must enforce organization-defined role-based access control policies over defined subjects and objects.
<VulnDiscussion>Organizations can create specific roles based on job functions and the authorizations (i.e., privileges) to perform needed op...Rule Medium Severity -
SRG-APP-000340
<GroupDescription></GroupDescription>Group -
The network device must prevent non-privileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.
<VulnDiscussion>Preventing non-privileged users from executing privileged functions mitigates the risk that unauthorized individuals or proce...Rule High Severity -
SRG-APP-000343
<GroupDescription></GroupDescription>Group -
The network device must audit the execution of privileged functions.
<VulnDiscussion>Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...Rule Medium Severity -
SRG-APP-000357
<GroupDescription></GroupDescription>Group -
The network device must allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.
<VulnDiscussion>In order to ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able ...Rule Medium Severity -
SRG-APP-000360
<GroupDescription></GroupDescription>Group -
The network device must generate an immediate real-time alert of all audit failure events requiring real-time alerts.
<VulnDiscussion>It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....Rule Medium Severity -
SRG-APP-000374
<GroupDescription></GroupDescription>Group -
The network device must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).
<VulnDiscussion>If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analys...Rule Medium Severity -
SRG-APP-000375
<GroupDescription></GroupDescription>Group -
The network device must record time stamps for audit records that meet a granularity of one second for a minimum degree of precision.
<VulnDiscussion>Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records....Rule Medium Severity -
SRG-APP-000378
<GroupDescription></GroupDescription>Group -
The network device must prohibit installation of software without explicit privileged status.
<VulnDiscussion>Allowing anyone to install software, without explicit privileges, creates the risk that untested or potentially malicious sof...Rule Medium Severity -
SRG-APP-000380
<GroupDescription></GroupDescription>Group -
The network device must enforce access restrictions associated with changes to device configuration.
<VulnDiscussion>Failure to provide logical access restrictions associated with changes to device configuration may have significant effects o...Rule Medium Severity -
SRG-APP-000381
<GroupDescription></GroupDescription>Group -
The network device must audit the enforcement actions used to restrict access associated with changes to the device.
<VulnDiscussion>Without auditing the enforcement of access restrictions against changes to the device configuration, it will be difficult to ...Rule Medium Severity -
SRG-APP-000395
<GroupDescription></GroupDescription>Group -
The network device must be configured to authenticate SNMP messages using a FIPS-validated Keyed-Hash Message Authentication Code (HMAC).
<VulnDiscussion>Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. B...Rule Medium Severity -
SRG-APP-000395
<GroupDescription></GroupDescription>Group -
The network device must authenticate Network Time Protocol sources using authentication that is cryptographically based.
<VulnDiscussion>If Network Time Protocol is not authenticated, an attacker can introduce a rogue NTP server. This rogue server can then be us...Rule Medium Severity -
SRG-APP-000400
<GroupDescription></GroupDescription>Group -
The network device must prohibit the use of cached authenticators after an organization-defined time period.
<VulnDiscussion>Some authentication implementations can be configured to use cached authenticators. If cached authentication information is ...Rule Medium Severity -
SRG-APP-000408
<GroupDescription></GroupDescription>Group -
Network devices performing maintenance functions must restrict use of these functions to authorized personnel only.
<VulnDiscussion>There are security-related issues arising from software brought into the network device specifically for diagnostic and repai...Rule Medium Severity -
SRG-APP-000411
<GroupDescription></GroupDescription>Group -
The network devices must use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of nonlocal maintenance and diagnostic communications.
<VulnDiscussion>Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be r...Rule High Severity -
SRG-APP-000412
<GroupDescription></GroupDescription>Group -
The network device must be configured to implement cryptographic mechanisms using a FIPS 140-2 approved algorithm to protect the confidentiality of remote maintenance sessions
<VulnDiscussion>This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead...Rule High Severity -
SRG-APP-000435
<GroupDescription></GroupDescription>Group -
The network device must be configured to protect against known types of denial-of-service (DoS) attacks by employing organization-defined security safeguards.
<VulnDiscussion>DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...Rule Medium Severity -
SRG-APP-000491
<GroupDescription></GroupDescription>Group -
If the network device uses mandatory access control, the network device must enforce organization-defined mandatory access control policies over all subjects and objects.
<VulnDiscussion>Mandatory access control policies constrain what actions subjects can take with information obtained from data objects for wh...Rule Medium Severity -
SRG-APP-000495
<GroupDescription></GroupDescription>Group -
The network device must generate audit records when successful/unsuccessful attempts to modify administrator privileges occur.
<VulnDiscussion>Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...Rule Medium Severity -
SRG-APP-000499
<GroupDescription></GroupDescription>Group -
The network device must generate audit records when successful/unsuccessful attempts to delete administrator privileges occur.
<VulnDiscussion>Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...Rule Medium Severity
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