RHEL 9 /etc/shadow- file must be group-owned by root.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257913 | RHEL-09-232165 | SV-257913r925726_rule | Medium |
| Description |
|---|
| The "/etc/shadow-" file is a backup file of "/etc/shadow", and as such, contains the list of local system accounts and password hashes. Protection of this file is critical for system security. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2023-12-01 |
Details
| Check Text ( C-61654r925724_chk ) |
|---|
| Verify the group ownership of the "/etc/shadow-" file with the following command: $ sudo stat -c "%G %n" /etc/shadow- root /etc/shadow- If "/etc/shadow-" file does not have a group owner of "root", this is a finding. |
| Fix Text (F-61578r925725_fix) |
|---|
| Change the group of the file /etc/shadow- to root by running the following command: $ sudo chgrp root /etc/shadow- |