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I - Mission Critical Sensitive

Rules and Groups employed by this XCCDF Profile

  • The Ubuntu operating system must be configured such that Pluggable Authentication Module (PAM) prohibits the use of cached authentications after one day.

    <VulnDiscussion>If cached authentication information is out-of-date, the validity of the authentication information may be questionable.</...
    Rule Low Severity
  • SRG-OS-000396-GPOS-00176

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must implement NIST FIPS-validated cryptography to protect classified information and for the following: To provision digital signatures, to generate cryptographic hashes, and to protect unclassified information requiring confidentiality and cryptographic protection in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating ...
    Rule High Severity
  • SRG-OS-000403-GPOS-00182

    <GroupDescription></GroupDescription>
    Group
  • The Ubuntu operating system must use DoD PKI-established certificate authorities for verification of the establishment of protected sessions.

    &lt;VulnDiscussion&gt;Untrusted Certificate Authorities (CA) can issue certificates, but they may be issued by organizations or individuals that se...
    Rule Medium Severity

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