The .Xauthority utility must only permit access to authorized hosts.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-216078 | SOL-11.1-020550 | SV-216078r959010_rule | Medium |
| Description |
| If unauthorized clients are permitted access to the X server, a user's X session may be compromised. |
| STIG | Date |
| Solaris 11 X86 Security Technical Implementation Guide | 2024-11-25 |
Details
| Check Text (C-17316r372616_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 X Window system access is limited to authorized clients. Procedure: # xauth xauth> list Ask the SA if the clients listed are authorized. If any are not, this is a finding. |
| Fix Text (F-17314r372617_fix) |
| Remove unauthorized clients from the xauth configuration. Procedure: # xauth remove <display name> |