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V-216313

CAT II (Medium)

The .Xauthority utility must only permit access to authorized hosts.

Rule ID

SV-216313r959010_rule

STIG

Solaris 11 SPARC Security Technical Implementation Guide

Version

V3R5

CCIs

CCI-000366 CCI-000225

Discussion

If unauthorized clients are permitted access to the X server, a user's X session may be compromised.

Check Content

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

Remove unauthorized clients from the xauth configuration.

Procedure:
# xauth remove <display name>