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AAA Services Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000394

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to require users to be individually authenticated before granting access to the shared accounts or resources.

    &lt;VulnDiscussion&gt;Individual authentication prior to shared group authentication mitigates the risk of using group accounts or authenticators.&...
    Rule Medium Severity
  • SRG-APP-000835

    <GroupDescription></GroupDescription>
    Group
  • For password-based authentication, AAA Services must be configured to update the list of passwords on an organization-defined frequency.

    &lt;VulnDiscussion&gt;Password-based authentication applies to passwords regardless of whether they are used in single-factor or multi-factor authe...
    Rule Medium Severity
  • SRG-APP-000840

    <GroupDescription></GroupDescription>
    Group
  • AAA Services configuration audit records must identify any individual user or process associated with the event.

    &lt;VulnDiscussion&gt;Without information that establishes the identity of the subjects (i.e., users or processes acting on behalf of users) associ...
    Rule Medium Severity
  • SRG-APP-000108

    <GroupDescription></GroupDescription>
    Group
  • SRG-APP-000024

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to automatically remove temporary user accounts after 72 hours.

    &lt;VulnDiscussion&gt;When temporary user accounts remain active after no longer needed or for an excessive period, these accounts may be used to g...
    Rule Medium Severity
  • SRG-APP-000024

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to automatically remove authorizations for temporary user accounts after 72 hours.

    &lt;VulnDiscussion&gt;When temporary user accounts remain active after no longer needed or for an excessive period, these accounts may be used to g...
    Rule Medium Severity
  • SRG-APP-000025

    <GroupDescription></GroupDescription>
    Group
  • SRG-APP-000171

    <GroupDescription></GroupDescription>
    Group
  • SRG-APP-000027

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to automatically disable accounts after a 35-day period of account inactivity.

    &lt;VulnDiscussion&gt;Attackers that are able to exploit an inactive account can potentially obtain and maintain undetected access to an applicatio...
    Rule Medium Severity
  • SRG-APP-000026

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to automatically audit account creation.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
  • AAA Services must be configured to automatically audit account modification.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
  • SRG-APP-000028

    <GroupDescription></GroupDescription>
    Group
  • SRG-APP-000175

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to automatically audit account disabling actions.

    &lt;VulnDiscussion&gt;When application accounts are disabled, user accessibility is affected. Once an attacker establishes access to an application...
    Rule Medium Severity
  • SRG-APP-000029

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to automatically audit account removal actions.

    &lt;VulnDiscussion&gt;When application accounts are removed, user accessibility is affected. Once an attacker establishes access to an application,...
    Rule Medium Severity
  • SRG-APP-000065

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to automatically lock user accounts after three consecutive invalid logon attempts within a 15-minute time period.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
  • SRG-APP-000089

    <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-000095

    <GroupDescription></GroupDescription>
    Group
  • AAA Services configuration audit records must identify what type of events occurred.

    &lt;VulnDiscussion&gt;Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate the events r...
    Rule Medium Severity
  • SRG-APP-000096

    <GroupDescription></GroupDescription>
    Group
  • AAA Services configuration audit records must identify when (date and time) the events occurred.

    &lt;VulnDiscussion&gt;Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events relating to a...
    Rule Medium Severity
  • SRG-APP-000097

    <GroupDescription></GroupDescription>
    Group
  • AAA Services configuration audit records must identify where the events occurred.

    &lt;VulnDiscussion&gt;Without establishing where events occurred, it is impossible to establish, correlate, and investigate the events relating to ...
    Rule Medium Severity
  • SRG-APP-000098

    <GroupDescription></GroupDescription>
    Group
  • AAA Services configuration audit records must identify the source of the events.

    &lt;VulnDiscussion&gt;Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up...
    Rule Medium Severity
  • SRG-APP-000099

    <GroupDescription></GroupDescription>
    Group
  • AAA Services configuration audit records must identify the outcome of the events.

    &lt;VulnDiscussion&gt;Without information about the outcome of events, security personnel cannot make an accurate assessment as to whether an attac...
    Rule Medium Severity
  • SRG-APP-000100

    <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

    <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

    <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

    <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-000141

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to disable non-essential modules.

    &lt;VulnDiscussion&gt;It is detrimental for applications to provide, or install by default, functionality exceeding requirements or mission objecti...
    Rule Medium Severity
  • SRG-APP-000142

    <GroupDescription></GroupDescription>
    Group
  • AAA Services must be configured to use secure protocols when connecting to directory services.

    &lt;VulnDiscussion&gt;Authenticity protection provides protection against man-in-the-middle attacks/session hijacking and the insertion of false in...
    Rule High Severity
  • SRG-APP-000142

    <GroupDescription></GroupDescription>
    Group

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