Detections
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AZLX-23-002620 - Amazon Linux 2023 must configure the use of the pam_faillock.so module in the /etc/pam.d/system-auth file.
Information
If the pam_faillock.so module is not loaded, the system will not correctly lockout accounts to prevent password guessing attacks.Solution
Configure Amazon Linux 2023 to include the use of the pam_faillock.so module in the /etc/pam.d/system-auth file.Add/modify the appropriate sections of the "/etc/pam.d/system-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
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Amazon_Linux_2023_V1R2_STIG.zip
Item Details
Audit Name: DISA Amazon Linux 2023 STIG v1r2
Category: ACCESS CONTROL
References: 800-53|AC-7a., CAT|II, CCI|CCI-000044, Rule-ID|SV-274186r1120546_rule, STIG-ID|AZLX-23-002620, Vuln-ID|V-274186
Plugin: Unix
Control ID: 35f70b467307b6202d33502189fe888b7ad053758ec3a62e93241f3aa6536f5f