III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000231
<GroupDescription></GroupDescription>Group -
The network device must only allow authorized administrators to view or change the device configuration, system files, and other files stored either in the device or on removable media (such as a flash drive).
<VulnDiscussion>This requirement is intended to address the confidentiality and integrity of system information at rest (e.g., network device...Rule High Severity -
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-000373
<GroupDescription></GroupDescription>Group -
The network device must be configured to synchronize internal information system clocks using redundant authoritative time sources.
<VulnDiscussion>The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run ...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
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