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Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000480-GPOS-00228

    <GroupDescription></GroupDescription>
    Group
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  • Ubuntu operating systems when booted must require authentication upon booting into single-user and maintenance modes.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DoD-ap...
    Rule High Severity
    Show

  • SRG-OS-000104-GPOS-00051

    <GroupDescription></GroupDescription>
    Group
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  • The Ubuntu operating system must uniquely identify interactive users.

    &lt;VulnDiscussion&gt;To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to pre...
    Rule Medium Severity
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  • SRG-OS-000134-GPOS-00068

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

    &lt;VulnDiscussion&gt;An isolation boundary provides access control and protects the integrity of the hardware, software, and firmware that perform...
    Rule High Severity
    Show

  • SRG-OS-000279-GPOS-00109

    <GroupDescription></GroupDescription>
    Group
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  • 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
    Show

  • SRG-OS-000373-GPOS-00156

    <GroupDescription></GroupDescription>
    Group
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  • 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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  • SRG-OS-000105-GPOS-00052

    <GroupDescription></GroupDescription>
    Group
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  • The Ubuntu operating system must implement smart card logins for multifactor authentication for local and network access to privileged and nonprivileged accounts.

    &lt;VulnDiscussion&gt;Without the use of multifactor authentication, the ease of access to privileged functions is greatly increased. Multifactor...
    Rule Medium Severity
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  • SRG-OS-000125-GPOS-00065

    <GroupDescription></GroupDescription>
    Group
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  • The Ubuntu operating system must use strong authenticators in establishing nonlocal maintenance and diagnostic sessions.

    &lt;VulnDiscussion&gt;Nonlocal maintenance and diagnostic activities are those activities conducted by individuals communicating through a network,...
    Rule Medium Severity
    Show

  • SRG-OS-000126-GPOS-00066

    <GroupDescription></GroupDescription>
    Group
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  • The Ubuntu operating system must immediately terminate all network connections associated with SSH traffic after a period of inactivity.

    &lt;VulnDiscussion&gt;Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of ...
    Rule Medium Severity
    Show

  • SRG-OS-000163-GPOS-00072

    <GroupDescription></GroupDescription>
    Group
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  • The Ubuntu operating system must immediately terminate all network connections associated with SSH traffic at the end of the session or after 10 minutes of inactivity.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule Medium Severity
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  • SRG-OS-000228-GPOS-00088

    <GroupDescription></GroupDescription>
    Group
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  • The Ubuntu operating system must display the Standard Mandatory DOD Notice and Consent Banner before granting any local or remote connection to the system.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the publicly accessible operating system en...
    Rule Medium Severity
    Show

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The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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