The .Xauthority utility must only permit access to authorized hosts.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
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medium | V-216078 | SRG-OS-000480 | SOL-11.1-020550 | SV-216078r959010_rule | 2024-11-25 | 3 |
Description |
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If unauthorized clients are permitted access to the X server, a user's X session may be compromised. |
ℹ️ Check |
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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 |
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Remove unauthorized clients from the xauth configuration. Procedure: # xauth remove <display name> |