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Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The Ubuntu operating system must ensure only users who need access to security functions are part of sudo group.

    <VulnDiscussion>An isolation boundary provides access control and protects the integrity of the hardware, software, and firmware that perform...
    Rule High Severity
  • SRG-OS-000279-GPOS-00109

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must automatically terminate a user session after inactivity timeouts have expired.

    &lt;VulnDiscussion&gt;Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of ...
    Rule Medium Severity
  • SRG-OS-000373-GPOS-00156

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system default filesystem permissions must be defined in such a way that all authenticated users can read and modify only their own files.

    &lt;VulnDiscussion&gt;Setting the most restrictive default permissions ensures that when new accounts are created they do not have unnecessary acce...
    Rule Medium Severity

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