The /etc/passwd file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-227643 | GEN001390 | SV-227643r603266_rule | 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 |
|---|---|
| Solaris 10 X86 Security Technical Implementation Guide | 2022-09-07 |
Details
| Check Text ( C-29805r488489_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-29793r488490_fix) |
|---|
| Remove the extended ACL from the file. # chmod A- /etc/passwd |