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The /etc/passwd file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22334 | GEN001390 | SV-25981r1_rule | ECLP-1 | Medium |
| Description |
|---|
| File system ACLs can provide access to files beyond what is allowed by the mode numbers of the files. The /etc/passwd file contains the list of local system accounts. It is vital to system security and must be protected from unauthorized modification. |
| STIG | Date |
|---|---|
| UNIX SRG | 2013-03-26 |
Details
| Check Text ( C-27503r1_chk ) |
|---|
| Verify /etc/passwd has no extended ACL. # ls -l /etc/passwd If the permissions include a "+", the file has an extended ACL, this is a finding. |
| Fix Text (F-26121r1_fix) |
|---|
| Remove the extended ACL from the /etc/passwd file. |