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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000480

    <GroupDescription></GroupDescription>
    Group
  • The .Xauthority files must not have extended ACLs.

    &lt;VulnDiscussion&gt;.Xauthority files ensure the user is authorized to access the specific X Windows host. Extended ACLs may permit unauthorized ...
    Rule Medium Severity
  • SRG-OS-000480

    <GroupDescription></GroupDescription>
    Group
  • X displays must not be exported to the world.

    &lt;VulnDiscussion&gt;Open X displays allow an attacker to capture keystrokes and to execute commands remotely. Many users have their X Server set ...
    Rule High Severity
  • SRG-OS-000480

    <GroupDescription></GroupDescription>
    Group
  • .Xauthority or X*.hosts (or equivalent) file(s) must be used to restrict access to the X server.

    &lt;VulnDiscussion&gt;If access to the X server is not restricted, a user's X session may be compromised.&lt;/VulnDiscussion&gt;&lt;FalsePositives&...
    Rule Medium Severity
  • SRG-OS-000480

    <GroupDescription></GroupDescription>
    Group
  • The .Xauthority utility must only permit access to authorized hosts.

    &lt;VulnDiscussion&gt;If unauthorized clients are permitted access to the X server, a user's X session may be compromised.&lt;/VulnDiscussion&gt;&l...
    Rule Medium Severity
  • SRG-OS-000480

    <GroupDescription></GroupDescription>
    Group
  • X Window System connections that are not required must be disabled.

    &lt;VulnDiscussion&gt;If unauthorized clients are permitted access to the X server, a user's X session may be compromised.&lt;/VulnDiscussion&gt;&l...
    Rule Medium Severity

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