I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-APP-000357-NDM-000293
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to 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-NDM-000295
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to generate an alert for all audit failure events.
<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-NDM-000298
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to synchronize its clock with the primary and secondary time sources 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-000395-NDM-000310
<GroupDescription></GroupDescription>Group -
The Cisco router 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-NDM-000310
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to encrypt SNMP messages using a FIPS 140-2 approved algorithm.
<VulnDiscussion>Without the strong encryption that is provided by the SNMP Version 3 User-based Security Model (USM), an unauthorized user ca...Rule Medium Severity -
SRG-APP-000395-NDM-000347
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to authenticate Network Time Protocol (NTP) 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-000411-NDM-000330
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of remote maintenance sessions.
<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-NDM-000331
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to implement cryptographic mechanisms 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-NDM-000315
<GroupDescription></GroupDescription>Group -
The Cisco router 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-000499-NDM-000319
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to generate log records when administrator privileges are deleted.
<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-000503-NDM-000320
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to generate audit records when successful/unsuccessful logon attempts 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-000504-NDM-000321
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to generate log records for privileged activities.
<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-000516-NDM-000336
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to use at least two authentication servers for the purpose of authenticating users prior to granting administrative access.
<VulnDiscussion>Centralized management of user accounts and authentication increases the administrative access to the router. This control is...Rule High Severity -
SRG-APP-000516-NDM-000340
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to back up the configuration when changes occur.
<VulnDiscussion>System-level information includes default and customized settings and security attributes, including ACLs that relate to the ...Rule Medium Severity -
SRG-APP-000516-NDM-000344
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to obtain its public key certificates from an appropriate certificate policy through an approved service provider.
<VulnDiscussion>For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB p...Rule Medium Severity -
SRG-APP-000516-NDM-000350
<GroupDescription></GroupDescription>Group -
The Cisco router must be configured to send log data to at least two syslog servers for the purpose of forwarding alerts to the administrators and the ISSO.
<VulnDiscussion>The aggregation of log data kept on a syslog server can be used to detect attacks and trigger an alert to the appropriate sec...Rule High Severity -
SRG-APP-000516-NDM-000351
<GroupDescription></GroupDescription>Group -
The Cisco router must be running an IOS release that is currently supported by Cisco Systems.
<VulnDiscussion>Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated...Rule High Severity
Node 2
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