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 | CCI-000366 | 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 | 2025-05-05 | |||
Details
Check Text (C-216078r959010_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>