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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-APP-000358-AAA-000280

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to send audit records to a centralized audit server.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
  • SRG-APP-000108-AAA-000290

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to alert the SA and ISSO when any audit processing failure occurs.

    &lt;VulnDiscussion&gt;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-000109-AAA-000300

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to generate audit records overwriting the oldest audit records in a first-in-first-out manner.

    &lt;VulnDiscussion&gt;It is critical that when AAA Services are at risk of failing to process audit logs as required, they take action to mitigate ...
    Rule Medium Severity
  • SRG-APP-000109-AAA-000310

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to queue audit records locally until communication is restored when any audit processing failure occurs.

    &lt;VulnDiscussion&gt;It is critical that when AAA Services are at risk of failing to process audit logs as required, it take action to mitigate th...
    Rule Medium Severity
  • SRG-APP-000116-AAA-000320

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to use internal system clocks to generate time stamps for audit records.

    &lt;VulnDiscussion&gt;Without an internal clock used as the reference for the time stored on each event to provide a trusted common reference for t...
    Rule Medium Severity
  • SRG-APP-000375-AAA-000330

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured with a minimum granularity of one second to record time stamps for audit records.

    &lt;VulnDiscussion&gt;Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records....
    Rule Medium Severity
  • SRG-APP-000374-AAA-000340

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to use or map to Coordinated Universal Time (UTC) to record time stamps for audit records.

    &lt;VulnDiscussion&gt;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-000516-AAA-000350

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to use at least two NTP servers to synchronize time.

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Low Severity
  • SRG-APP-000516-AAA-000360

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to authenticate all NTP messages received from NTP servers and peers.

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Medium Severity
  • SRG-APP-000516-AAA-000370

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to use their loopback or OOB management interface address as the source address when originating NTP traffic.

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Low Severity
  • SRG-APP-000089-AAA-000380

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to audit each authentication and authorization transaction.

    &lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...
    Rule Medium Severity
  • SRG-APP-000148-AAA-000390

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to uniquely identify and authenticate organizational users.

    &lt;VulnDiscussion&gt;To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...
    Rule High Severity
  • SRG-APP-000149-AAA-000400

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to require multifactor authentication using Personal Identity Verification (PIV) credentials for authenticating privileged user accounts.

    &lt;VulnDiscussion&gt;Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor...
    Rule Medium Severity
  • SRG-APP-000150-AAA-000410

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to require multifactor authentication using Common Access Card (CAC) Personal Identity Verification (PIV) credentials for authenticating non-privileged user accounts.

    &lt;VulnDiscussion&gt;To assure accountability and prevent unauthenticated access, non-privileged users must utilize multifactor authentication to ...
    Rule Medium Severity
  • SRG-APP-000158-AAA-000420

    <GroupDescription></GroupDescription>
    Group
  • AAA Services used for 802.1x must be configured to uniquely identify network endpoints (supplicants) before the authenticator establishes any connection.

    &lt;VulnDiscussion&gt;Without identifying devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. For...
    Rule Medium Severity
  • SRG-APP-000394-AAA-000430

    <GroupDescription></GroupDescription>
    Group
  • AAA Services used for 802.1x must be configured to authenticate network endpoint devices (supplicants) before the authenticator establishes any connection.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. ...
    Rule Medium Severity
  • SRG-APP-000516-AAA-000440

    <GroupDescription></GroupDescription>
    Group
  • AAA Services used for 802.1x must be configured to use secure Extensible Authentication Protocol (EAP), such as EAP-TLS, EAP-TTLS, and PEAP.

    &lt;VulnDiscussion&gt;Additional new EAP methods/types are still being proposed. However, the three being considered secure are EAP-TLS, EAP-TTLS, ...
    Rule Medium Severity
  • SRG-APP-000164-AAA-000450

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to enforce a minimum 15-character password length.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
  • SRG-APP-000166-AAA-000460

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to enforce password complexity by requiring that at least one upper-case character be used.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
  • SRG-APP-000167-AAA-000470

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to enforce password complexity by requiring that at least one lower-case character be used.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
  • SRG-APP-000168-AAA-000480

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to enforce password complexity by requiring that at least one numeric character be used.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
  • SRG-APP-000169-AAA-000490

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to enforce password complexity by requiring that at least one special character be used.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
  • SRG-APP-000170-AAA-000500

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to require the change of at least eight of the total number of characters when passwords are changed.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
  • SRG-APP-000172-AAA-000520

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to encrypt transmitted credentials using a FIPS-validated cryptographic module.

    &lt;VulnDiscussion&gt;Passwords need to be protected at all times and encryption is the standard method for protecting passwords. If passwords are ...
    Rule High Severity
  • SRG-APP-000173-AAA-000530

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to enforce 24 hours as the minimum password lifetime.

    &lt;VulnDiscussion&gt;Enforcing a minimum password lifetime helps prevent repeated password changes to defeat the password reuse or history enforce...
    Rule Medium Severity

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