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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000075-GPOS-00043

    <GroupDescription></GroupDescription>
    Group
  • OL 8 passwords for new users or password changes must have a 24 hours/one day minimum password lifetime restriction in "/etc/shadow".

    &lt;VulnDiscussion&gt;Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enfo...
    Rule Medium Severity
  • SRG-OS-000075-GPOS-00043

    <GroupDescription></GroupDescription>
    Group
  • OL 8 passwords for new users or password changes must have a 24 hours/one day minimum password lifetime restriction in "/etc/login.defs".

    &lt;VulnDiscussion&gt;Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enfo...
    Rule Medium Severity
  • SRG-OS-000076-GPOS-00044

    <GroupDescription></GroupDescription>
    Group
  • OL 8 user account passwords must have a 60-day maximum password lifetime restriction.

    &lt;VulnDiscussion&gt;Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If OL 8...
    Rule Medium Severity
  • SRG-OS-000076-GPOS-00044

    <GroupDescription></GroupDescription>
    Group
  • OL 8 user account passwords must be configured so that existing passwords are restricted to a 60-day maximum lifetime.

    &lt;VulnDiscussion&gt;Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If OL 8...
    Rule Medium Severity
  • SRG-OS-000078-GPOS-00046

    <GroupDescription></GroupDescription>
    Group
  • OL 8 passwords must have a minimum of 15 characters.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
  • SRG-OS-000078-GPOS-00046

    <GroupDescription></GroupDescription>
    Group
  • OL 8 passwords for new users must have a minimum of 15 characters.

    &lt;VulnDiscussion&gt;The shorter the password, the lower the number of possible combinations that need to be tested before the password is comprom...
    Rule Medium Severity
  • SRG-OS-000042-GPOS-00020

    <GroupDescription></GroupDescription>
    Group
  • OL 8 duplicate User IDs (UIDs) must not exist for interactive users.

    &lt;VulnDiscussion&gt;To ensure accountability and prevent unauthenticated access, interactive users must be identified and authenticated to preven...
    Rule Medium Severity
  • SRG-OS-000105-GPOS-00052

    <GroupDescription></GroupDescription>
    Group
  • OL 8 must implement multifactor authentication for access to interactive accounts.

    &lt;VulnDiscussion&gt;Using an authentication device, such as a Common Access Card (CAC) or token that is separate from the information system, ens...
    Rule Medium Severity
  • SRG-OS-000118-GPOS-00060

    <GroupDescription></GroupDescription>
    Group
  • The OL 8 system-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-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

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