All .Xauthority files must have mode 0600 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-12014	GEN005180	SV-12515r2_rule	ECLP-1	Medium

Description
.Xauthority files ensure the user is authorized to access the specific X Windows host. Excessive permissions may permit unauthorized modification of these files, which could lead to Denial of Service to authorized access or allow unauthorized access to be obtained.

STIG	Date
SOLARIS 9 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE	2015-10-01

Details

Check Text ( C-7978r2_chk )
Check the file permissions for the .Xauthority files in the home directories of users of X. Procedure: # cd ~ # ls -lL .Xauthority If the file mode is more permissive than 0600, this is finding.

Fix Text (F-11274r2_fix)
Change the mode of the .Xauthority files. Procedure: # chmod 0600 .Xauthority