The .Xauthority files must not have extended ACLs.
An XCCDF Rule
Description
.Xauthority files ensure the user is authorized to access the specific X Windows host. Extended ACLs may permit unauthorized modification of these files, which could lead to Denial of Service to authorized access or allow unauthorized access to be obtained.
- ID
- SV-216310r959010_rule
- Version
- SOL-11.1-020520
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Remove the extended ACL from the file.
# chmod A- .Xauthority