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The /etc/shadow file (or equivalent) must be group-owned by root, bin, sys, or shadow.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22339 | GEN001410 | SV-45001r2_rule | 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 |
|---|---|
| SUSE Linux Enterprise Server v11 for System z | 2017-08-25 |
Details
| Check Text ( C-42406r2_chk ) |
|---|
| Check the ownership of the /etc/shadow file. Procedure: # ls -lL /etc/shadow If the file is not group-owned by root, bin, sys, or shadow, this is a finding. |
| Fix Text (F-38416r1_fix) |
|---|
| Change the group-owner of the /etc/shadow file. Procedure: # chgrp root /etc/shadow |