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Canonical Ubuntu 18.04 LTS Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system library directories must have mode 0755 or less permissive.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system library files must be owned by root.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system library directories must be owned by root.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system library files must be group-owned by root.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system library directories must be group-owned by root.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must have system commands set to a mode of 0755 or less permissive.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must have directories that contain system commands set to a mode of 0755 or less permissive.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must have system commands owned by root.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must have directories that contain system commands owned by root.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must have system commands group-owned by root or a system account.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must have directories that contain system commands group-owned by root.

    &lt;VulnDiscussion&gt;If the Ubuntu operating system were to allow any user to make changes to software libraries, then those changes might be impl...
    Rule Medium Severity
    Show

  • SRG-OS-000266-GPOS-00101

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must enforce password complexity by requiring that at least one special character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity o...
    Rule Low Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu Operating system must disable the x86 Ctrl-Alt-Delete key sequence if a graphical user interface is installed.

    &lt;VulnDiscussion&gt;A locally logged-on user who presses Ctrl-Alt-Delete, when at the console, can reboot the system. If accidentally pressed, as...
    Rule High Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu Operating system must disable the x86 Ctrl-Alt-Delete key sequence.

    &lt;VulnDiscussion&gt;A locally logged-on user who presses Ctrl-Alt-Delete, when at the console, can reboot the system. If accidentally pressed, as...
    Rule High Severity
    Show

  • SRG-OS-000064-GPOS-00033

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for the use and modification of the tallylog file.

    &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 the use and modification of faillog file.

    &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 the use and modification of the lastlog file.

    &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-000471-GPOS-00215

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for privileged activities or other system-level access.

    &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-000472-GPOS-00217

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for the /var/log/wtmp file.

    &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-000472-GPOS-00217

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for the /var/run/utmp file.

    &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-000472-GPOS-00217

    <GroupDescription></GroupDescription>
    Group
    Show

  • The Ubuntu operating system must generate audit records for the /var/log/btmp file.

    &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-000476-GPOS-00221

    <GroupDescription></GroupDescription>
    Group
    Show

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

    &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-000476-GPOS-00221

    <GroupDescription></GroupDescription>
    Group
    Show

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

    &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-000476-GPOS-00221

    <GroupDescription></GroupDescription>
    Group
    Show

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

    &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-000476-GPOS-00221

    <GroupDescription></GroupDescription>
    Group
    Show

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

    &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

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