III - Administrative Classified
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000028-GPOS-00009
<GroupDescription></GroupDescription>Group -
RHEL 8 must prevent users from disabling session control mechanisms.
<VulnDiscussion>A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...Rule Low Severity -
SRG-OS-000028-GPOS-00009
<GroupDescription></GroupDescription>Group -
RHEL 8 must be able to initiate directly a session lock for all connection types using smartcard when the smartcard is removed.
<VulnDiscussion>A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...Rule Medium Severity -
SRG-OS-000029-GPOS-00010
<GroupDescription></GroupDescription>Group -
RHEL 8 must automatically lock graphical user sessions after 15 minutes of inactivity.
<VulnDiscussion>A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...Rule Medium Severity -
SRG-OS-000029-GPOS-00010
<GroupDescription></GroupDescription>Group -
RHEL 8 must automatically lock command line user sessions after 15 minutes of inactivity.
<VulnDiscussion>Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...Rule Medium Severity -
SRG-OS-000029-GPOS-00010
<GroupDescription></GroupDescription>Group -
RHEL 8 must prevent a user from overriding the session lock-delay setting for the graphical user interface.
<VulnDiscussion>A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinit...Rule Medium Severity -
SRG-OS-000068-GPOS-00036
<GroupDescription></GroupDescription>Group -
RHEL 8 must map the authenticated identity to the user or group account for PKI-based authentication.
<VulnDiscussion>Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the indivi...Rule Medium Severity -
SRG-OS-000069-GPOS-00037
<GroupDescription></GroupDescription>Group -
RHEL 8 must ensure the password complexity module is enabled in the password-auth file.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000069-GPOS-00037
<GroupDescription></GroupDescription>Group -
RHEL 8 must enforce password complexity by requiring that at least one uppercase character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000070-GPOS-00038
<GroupDescription></GroupDescription>Group -
RHEL 8 must enforce password complexity by requiring that at least one lower-case character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000071-GPOS-00039
<GroupDescription></GroupDescription>Group -
RHEL 8 must enforce password complexity by requiring that at least one numeric character be used.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
RHEL 8 must require the maximum number of repeating characters of the same character class be limited to four when passwords are changed.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
RHEL 8 must require the maximum number of repeating characters be limited to three when passwords are changed.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
RHEL 8 must require the change of at least four character classes when passwords are changed.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
<GroupDescription></GroupDescription>Group -
RHEL 8 must require the change of at least 8 characters when passwords are changed.
<VulnDiscussion>Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...Rule Medium Severity -
SRG-OS-000075-GPOS-00043
<GroupDescription></GroupDescription>Group -
RHEL 8 passwords must have a 24 hours/1 day minimum password lifetime restriction in /etc/shadow.
<VulnDiscussion>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 -
RHEL 8 passwords for new users or password changes must have a 24 hours/1 day minimum password lifetime restriction in /etc/login.defs.
<VulnDiscussion>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 -
RHEL 8 user account passwords must have a 60-day maximum password lifetime restriction.
<VulnDiscussion>Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If RHEL...Rule Medium Severity -
SRG-OS-000076-GPOS-00044
<GroupDescription></GroupDescription>Group -
RHEL 8 user account passwords must be configured so that existing passwords are restricted to a 60-day maximum lifetime.
<VulnDiscussion>Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If RHEL...Rule Medium Severity -
SRG-OS-000077-GPOS-00045
<GroupDescription></GroupDescription>Group -
RHEL 8 must be configured in the password-auth file to prohibit password reuse for a minimum of five generations.
<VulnDiscussion>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 -
RHEL 8 passwords must have a minimum of 15 characters.
<VulnDiscussion>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-000078-GPOS-00046
<GroupDescription></GroupDescription>Group -
RHEL 8 passwords for new users must have a minimum of 15 characters.
<VulnDiscussion>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-000104-GPOS-00051
<GroupDescription></GroupDescription>Group -
RHEL 8 duplicate User IDs (UIDs) must not exist for interactive users.
<VulnDiscussion>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 -
RHEL 8 must implement smart card logon for multifactor authentication for access to interactive accounts.
<VulnDiscussion>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 -
RHEL 8 account identifiers (individuals, groups, roles, and devices) must be disabled after 35 days of inactivity.
<VulnDiscussion>Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potenti...Rule Medium Severity -
SRG-OS-000123-GPOS-00064
<GroupDescription></GroupDescription>Group -
RHEL 8 must automatically expire temporary accounts within 72 hours.
<VulnDiscussion>Temporary accounts are privileged or nonprivileged accounts that are established during pressing circumstances, such as new s...Rule Medium Severity
Node 2
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