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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 M6 | SV-38089r1_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 |
|---|---|
| MAC OSX 10.6 Workstation Security Technical Implementation Guide Draft | 2013-01-10 |
Details
| Check Text ( C-37626r1_chk ) |
|---|
| Open a terminal session and enter the following command to view the /etc/passwd file extended ACLs. ls -lL /etc/passwd If the permissions include a '+', the file has an extended ACL, this is a finding. |
| Fix Text (F-32868r1_fix) |
|---|
| Open a terminal session and enter the following command to remove the extended ACLs. chmod -N /etc/passwd |