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Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
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  • The Ubuntu operating system must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/opasswd.

    &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
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  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
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  • The Ubuntu operating system 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
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  • SRG-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
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  • The Ubuntu operating system must shut down by default upon audit failure (unless availability is an overriding concern).

    &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
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  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
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  • The Ubuntu operating system must be configured so that audit log files are not read or write-accessible by unauthorized users.

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

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
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  • The Ubuntu operating system must be configured to permit only authorized users ownership of the audit log files.

    &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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