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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 alert the ISSO and SA (at a minimum) in the event of an audit processing failure.

    <VulnDiscussion>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
    Show

  • SRG-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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>
    Group
    Show

  • 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
    Show

  • SRG-OS-000057-GPOS-00027

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must be configured so that audit configuration files are not write-accessible by unauthorized users.

    &lt;VulnDiscussion&gt;Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel ma...
    Rule Medium Severity
    Show

  • SRG-OS-000063-GPOS-00032

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must permit only authorized accounts to own the audit configuration files.

    &lt;VulnDiscussion&gt;Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel ma...
    Rule Medium Severity
    Show

  • SRG-OS-000063-GPOS-00032

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must permit only authorized groups to own the audit configuration files.

    &lt;VulnDiscussion&gt;Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel ma...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the su command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the chfn command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the mount command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the umount command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the ssh-agent command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the ssh-keysign command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for any use of the setxattr, fsetxattr, lsetxattr, removexattr, fremovexattr, and lremovexattr system calls.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the chown, fchown, fchownat, and lchown system calls.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the chmod, fchmod, and fchmodat system calls.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the creat, open, openat, open_by_handle_at, truncate, and ftruncate system calls.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the sudo command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the sudoedit command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the chsh command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the newgrp command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the chcon command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the apparmor_parser command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the setfacl command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for successful/unsuccessful uses of the chacl command.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

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