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RHEL 9 /etc/passwd- file must have mode 0644 or less permissive to prevent unauthorized access.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-257896 | RHEL-09-232080 | SV-257896r991589_rule | Medium |
| Description |
|---|
| The "/etc/passwd-" file is a backup file of "/etc/passwd", and as such, contains information about the users that are configured on the system. Protection of this file is critical for system security. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 9 Security Technical Implementation Guide | 2024-06-04 |
Details
| Check Text ( C-61637r925673_chk ) |
|---|
| Verify that the "/etc/passwd-" file has mode "0644" or less permissive with the following command: $ sudo stat -c "%a %n" /etc/passwd- 644 /etc/passwd- If a value of "0644" or less permissive is not returned, this is a finding. |
| Fix Text (F-61561r925674_fix) |
|---|
| Change the mode of the file "/etc/passwd-" to "0644" by running the following command: $ sudo chmod 0644 /etc/passwd- |