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The /etc/shadow file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22340 | GEN001430 | SV-38729r1_rule | ECLP-1 | Medium |
| Description |
|---|
| The /etc/shadow file contains the list of local system accounts. It is vital to system security and must be protected from unauthorized modification. The file also contains password hashes which must not be accessible to users other than root. |
| STIG | Date |
|---|---|
| Draft AIX Security Technical Implementation Guide | 2011-08-17 |
Details
| Check Text ( C-37151r1_chk ) |
|---|
| Verify the /etc/security/passwd file has no extended ACL and check if extended permissions are disabled. Procedure: #aclget /etc/security/passwd If extended permissions are not disabled, this is a finding. |
| Fix Text (F-32411r1_fix) |
|---|
| Remove the extended ACL from the /etc/security/passwd file and disable extended permissions. #acledit /etc/security/passwd |