III - Administrative Public
Rules and Groups employed by this XCCDF Profile
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SRG-OS-000029-GPOS-00010
Group -
RHEL 8 must automatically lock graphical user sessions after 15 minutes of inactivity.
A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the temporary...Rule Medium Severity -
SRG-OS-000029-GPOS-00010
Group -
RHEL 8 must prevent a user from overriding the session lock-delay setting for the graphical user interface.
A session time-out lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not log out because of the temporar...Rule Medium Severity -
SRG-OS-000068-GPOS-00036
Group -
RHEL 8 must map the authenticated identity to the user or group account for PKI-based authentication.
Without mapping the certificate used to authenticate to the user account, the ability to determine the identity of the individual user or group will not be available for forensic analysis. There a...Rule Medium Severity -
SRG-OS-000069-GPOS-00037
Group -
RHEL 8 must ensure the password complexity module is enabled in the password-auth file.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000069-GPOS-00037
Group -
RHEL 8 must enforce password complexity by requiring that at least one uppercase character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000070-GPOS-00038
Group -
RHEL 8 must enforce password complexity by requiring that at least one lower-case character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000071-GPOS-00039
Group -
RHEL 8 must enforce password complexity by requiring that at least one numeric character be used.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
Group -
RHEL 8 must require the maximum number of repeating characters of the same character class be limited to four when passwords are changed.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
Group -
RHEL 8 must require the maximum number of repeating characters be limited to three when passwords are changed.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
Group -
RHEL 8 must require the change of at least four character classes when passwords are changed.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000072-GPOS-00040
Group -
RHEL 8 must require the change of at least 8 characters when passwords are changed.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000075-GPOS-00043
Group -
RHEL 8 passwords must have a 24 hours/1 day minimum password lifetime restriction in /etc/shadow.
Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually...Rule Medium Severity -
SRG-OS-000075-GPOS-00043
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.
Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually...Rule Medium Severity -
SRG-OS-000076-GPOS-00044
Group -
RHEL 8 user account passwords must have a 60-day maximum password lifetime restriction.
Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If RHEL 8 does not limit the lifetime of passwords and force users to change th...Rule Medium Severity -
SRG-OS-000076-GPOS-00044
Group -
RHEL 8 user account passwords must be configured so that existing passwords are restricted to a 60-day maximum lifetime.
Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically. If RHEL 8 does not limit the lifetime of passwords and force users to change th...Rule Medium Severity -
SRG-OS-000078-GPOS-00046
Group -
RHEL 8 passwords must have a minimum of 15 characters.
The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised. Password complexity, or strength, is a measure of the effectivene...Rule Medium Severity -
SRG-OS-000078-GPOS-00046
Group -
RHEL 8 passwords for new users must have a minimum of 15 characters.
The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised. Password complexity, or strength, is a measure of the effectivene...Rule Medium Severity -
SRG-OS-000104-GPOS-00051
Group -
RHEL 8 duplicate User IDs (UIDs) must not exist for interactive users.
To ensure accountability and prevent unauthenticated access, interactive users must be identified and authenticated to prevent potential misuse and compromise of the system. Interactive users incl...Rule Medium Severity -
SRG-OS-000105-GPOS-00052
Group -
RHEL 8 must implement smart card logon for multifactor authentication for access to interactive accounts.
Using an authentication device, such as a Common Access Card (CAC) or token that is separate from the information system, ensures that even if the information system is compromised, that compromise...Rule Medium Severity -
SRG-OS-000118-GPOS-00060
Group -
RHEL 8 account identifiers (individuals, groups, roles, and devices) must be disabled after 35 days of inactivity.
Inactive identifiers pose a risk to systems and applications because attackers may exploit an inactive identifier and potentially obtain undetected access to the system. Owners of inactive accounts...Rule Medium Severity -
SRG-OS-000123-GPOS-00064
Group -
RHEL 8 must automatically expire temporary accounts within 72 hours.
Temporary accounts are privileged or nonprivileged accounts that are established during pressing circumstances, such as new software or hardware configuration or an incident response, where the nee...Rule Medium Severity -
SRG-OS-000266-GPOS-00101
Group -
All RHEL 8 passwords must contain at least one special character.
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resistin...Rule Medium Severity -
SRG-OS-000383-GPOS-00166
Group -
RHEL 8 must prohibit the use of cached authentications after one day.
If cached authentication information is out-of-date, the validity of the authentication information may be questionable. RHEL 8 includes multiple options for configuring authentication, but this r...Rule Medium Severity -
SRG-OS-000480-GPOS-00225
Group -
RHEL 8 must prevent the use of dictionary words for passwords.
If RHEL 8 allows the user to select passwords based on dictionary words, this increases the chances of password compromise by increasing the opportunity for successful guesses, and brute-force atta...Rule Medium Severity -
SRG-OS-000480-GPOS-00226
Group -
RHEL 8 must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.
Configuring the operating system to implement organization-wide security implementation guides and security checklists verifies compliance with federal standards and establishes a common security b...Rule Medium Severity
Node 2
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