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The /etc/gshadow file must have mode 0400.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22343 | GEN000000-LNX001433 | SV-62697r1_rule | Medium |
| Description |
|---|
| The /etc/gshadow file is critical to system security and must be protected from unauthorized modification. The /etc/gshadow file contains a list of system groups and hashes for group passwords. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2020-02-25 |
Details
| Check Text ( C-51609r1_chk ) |
|---|
| Check the mode of the /etc/gshadow file. # ls -l /etc/gshadow If the file mode is more permissive than 0400, this is a finding. |
| Fix Text (F-53293r1_fix) |
|---|
| Change the mode of the /etc/gshadow file to 0400 or less permissive. # chmod 0400 /etc/gshadow |