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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000377-GPOS-00162

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must electronically verify Personal Identity Verification (PIV) credentials.

    &lt;VulnDiscussion&gt;The use of PIV credentials facilitates standardization and reduces the risk of unauthorized access. DoD has mandated the u...
    Rule Medium Severity
  • SRG-OS-000384-GPOS-00167

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system for PKI-based authentication, must implement a local cache of revocation data in case of the inability to access revocation information via the network.

    &lt;VulnDiscussion&gt;Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...
    Rule Medium Severity
  • SRG-OS-000077-GPOS-00045

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must prohibit password reuse for a minimum of five generations.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Low Severity
  • SRG-OS-000329-GPOS-00128

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must automatically lock an account until the locked account is released by an administrator when three unsuccessful logon attempts have been made.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Low Severity
  • SRG-OS-000446-GPOS-00200

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must be configured so that the script which runs each 30 days or less to check file integrity is the default one.

    &lt;VulnDiscussion&gt;Without verification of the security functions, security functions may not operate correctly and the failure may go unnoticed...
    Rule Medium Severity

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