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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000118-GPOS-00060

    <GroupDescription></GroupDescription>
    Group
  • The OL 8 password-auth file must disable access to the system for account identifiers (individuals, groups, roles, and devices) with 35 days of inactivity.

    &lt;VulnDiscussion&gt;Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potenti...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
  • The OL 8 lastlog command must have a mode of "0750" or less permissive.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of the contents of the /var/log/lastlog file can reveal system data to attackers, thus compromising i...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
  • The OL 8 lastlog command must be owned by root.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of the contents of the /var/log/lastlog file can reveal system data to attackers, thus compromising i...
    Rule Medium Severity
  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
  • The OL 8 lastlog command must be group-owned by root.

    &lt;VulnDiscussion&gt;Unauthorized disclosure of the contents of the /var/log/lastlog file can reveal system data to attackers, thus compromising i...
    Rule Medium Severity
  • SRG-OS-000123-GPOS-00064

    <GroupDescription></GroupDescription>
    Group
  • OL 8 must automatically expire temporary accounts within 72 hours.

    &lt;VulnDiscussion&gt;Temporary accounts are privileged or nonprivileged accounts that are established during pressing circumstances, such as new s...
    Rule Medium Severity
  • SRG-OS-000266-GPOS-00101

    <GroupDescription></GroupDescription>
    Group
  • All OL 8 passwords must contain at least one special character.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Low Severity
  • SRG-OS-000383-GPOS-00166

    <GroupDescription></GroupDescription>
    Group
  • OL 8 must prohibit the use of cached authentications after one day.

    &lt;VulnDiscussion&gt;If cached authentication information is out of date, the validity of the authentication information may be questionable. O...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00225

    <GroupDescription></GroupDescription>
    Group
  • OL 8 must prevent the use of dictionary words for passwords.

    &lt;VulnDiscussion&gt;If OL 8 allows the user to select passwords based on dictionary words, this increases the chances of password compromise by i...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00226

    <GroupDescription></GroupDescription>
    Group
  • OL 8 must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.

    &lt;VulnDiscussion&gt;Configuring the operating system to implement organization-wide security implementation guides and security checklists verifi...
    Rule Medium Severity
  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
  • OL 8 must not have unnecessary accounts.

    &lt;VulnDiscussion&gt;Accounts providing no operational purpose provide additional opportunities for system compromise. Unnecessary accounts includ...
    Rule Medium Severity

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