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All .Xauthority files must have mode 0600 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-216309 | SOL-11.1-020510 | SV-216309r603267_rule | Medium |
| Description |
|---|
| .Xauthority files ensure the user is authorized to access the 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 |
|---|---|
| Solaris 11 SPARC Security Technical Implementation Guide | 2021-11-23 |
Details
| Check Text ( C-17545r371015_chk ) |
|---|
| If X Display Manager (XDM) is not used on the system, this is not applicable. Determine if XDM is running. Procedure: # ps -ef | grep xdm Check the file permissions for the .Xauthority files in the home directories of users of X. Procedure: # cd ~ # ls -lL .Xauthority If the file mode is more permissive than 0600, this is finding. |
| Fix Text (F-17543r371016_fix) |
|---|
| Change the mode of the .Xauthority files. Procedure: # chmod 0600 .Xauthority |