The .Xauthority files must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-227870 | GEN005190 | SV-227870r603266_rule | Medium |
| Description |
|---|
| .Xauthority files ensure the user is authorized to access the specific X Windows host. Extended ACLs 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 10 X86 Security Technical Implementation Guide | 2020-12-04 |
Details
| Check Text ( C-30032r490006_chk ) |
|---|
| Check the file permissions for the .Xauthority files. # ls -lL .Xauthority If the permissions include a "+", the file has an extended ACL and this is a finding. |
| Fix Text (F-30020r490007_fix) |
|---|
| Remove the extended ACL from the file. # chmod A- .Xauthority |