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RHEL 9 must configure the use of the pam_faillock.so module in the /etc/pam.d/password-auth file.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-258096 | RHEL-09-611035 | SV-258096r958388_rule | Medium |
| Description |
|---|
| If the pam_faillock.so module is not loaded, the system will not correctly lockout accounts to prevent password guessing attacks. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-06-04 |
Details
| Check Text ( C-61837r926273_chk ) |
|---|
| Verify the pam_faillock.so module is present in the "/etc/pam.d/password-auth" file: $ grep pam_faillock.so /etc/pam.d/password-auth auth required pam_faillock.so preauth auth required pam_faillock.so authfail account required pam_faillock.so If the pam_faillock.so module is not present in the "/etc/pam.d/password-auth" file with the "preauth" line listed before pam_unix.so, this is a finding. |
| Fix Text (F-61761r926274_fix) |
|---|
| Configure RHEL 9 to include the use of the pam_faillock.so module in the /etc/pam.d/password-auth file. Add/modify the appropriate sections of the "/etc/pam.d/password-auth" file to match the following lines: Note: The "preauth" line must be listed before pam_unix.so. auth required pam_faillock.so preauth auth required pam_faillock.so authfail account required pam_faillock.so |