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Any X Windows host must write .Xauthority files.


Overview

Finding ID Version Rule ID IA Controls Severity
V-227868 GEN005160 SV-227868r505926_rule Medium
Description
.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.
STIG Date
Solaris 10 X86 Security Technical Implementation Guide 2020-09-04

Details

Check Text ( C-30030r490000_chk )
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 (F-30018r490001_fix)
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.