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← Back to Solaris 11 X86 Security Technical Implementation Guide

V-216073

CAT II (Medium)

Any X Windows host must write .Xauthority files.

Rule ID

SV-216073r959010_rule

STIG

Solaris 11 X86 Security Technical Implementation Guide

Version

V3R5

CCIs

CCI-000297CCI-000366

Discussion

.Xauthority files ensure the user is authorized to access the specific X Windows host. If .Xauthority files are not used, it may be possible to obtain unauthorized access to the X Windows host.

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

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 for .Xauthority files being utilized by looking for such files in the home directory of a user that uses X.

Procedure:
# cd ~someuser
# ls -la .Xauthority

If the .Xauthority file does not exist, ask the SA if the user is using X Windows. If the user is utilizing X Windows and the .Xauthority file does not exist, this is a finding.

Fix Text

Ensure the X Windows host is configured to write .Xauthority files into user home directories. 

Edit the Xaccess file. Ensure the line that writes the .Xauthority file is uncommented.