All .Xauthority files must have mode 0600 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-12014 | GEN005180 | SV-63205r1_rule | Medium |
| Description |
|---|
| .Xauthority files ensure the user is authorized to access specific X Windows host. Excessive permissions may permit unauthorized modification of these files, which could lead to Denial of Service to authorized access or allow unauthorized access to be obtained. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2020-02-25 |
Details
| Check Text ( C-51933r2_chk ) |
|---|
| Check the file permissions for the .Xauthority files. Procedure: # ls -la |egrep "(\.Xauthority|\.xauth)" If the file mode is more permissive than 0600, this is finding. |
| Fix Text (F-53789r1_fix) |
|---|
| Change the mode of the .Xauthority files. Procedure: # chmod 0600 .Xauthority |