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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480-GPOS-00230

    <GroupDescription></GroupDescription>
    Group
  • All TOSS local interactive user home directories must be owned by the user's primary group.

    &lt;VulnDiscussion&gt;Users' home directories/folders may contain information of a sensitive nature. Non-privileged users should coordinate any sha...
    Rule Medium Severity
  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
    Group
  • TOSS must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/shadow.

    &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-OS-000037-GPOS-00015

    <GroupDescription></GroupDescription>
    Group
  • TOSS audit records must contain information to establish what type of events occurred, when the events occurred, the source of events, where events occurred, and the outcome of events.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, when events occurred, the source of events, where events occurred, and the...
    Rule Medium Severity
  • SRG-OS-000042-GPOS-00020

    <GroupDescription></GroupDescription>
    Group
  • TOSS must generate audit records containing the full-text recording of privileged commands.

    &lt;VulnDiscussion&gt;Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. At...
    Rule Medium Severity
  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
    Group
  • TOSS must alert the ISSO and SA (at a minimum) in the event of an audit processing failure.

    &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-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
    Group
  • TOSS must take appropriate action when an audit processing failure occurs.

    &lt;VulnDiscussion&gt;It is critical that when the operating system is at risk of failing to process audit logs as required, it takes action to mit...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • TOSS audit logs must have a mode of 0600 or less permissive to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • TOSS audit log directory must have a mode of 0700 or less permissive to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • TOSS audit logs must be owned by user root to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity
  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
  • TOSS audit logs must be owned by group root to prevent unauthorized read access.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confide...
    Rule Medium Severity

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