Details

These options will detract from the security of the Xwindows system.

Solution

Disable the unwanted options:
Procedure:
For gdm:
Remove the -ac, -core and -nolock options by creating a ‘command’ entry in the /etc/gdm/custom.conf file with the options removed.

For Xwindows started by xinit:
Create or modify the .xserverrc script in the user’s home directory to remove the -ac, -core and -nolock options from the exec /usr/bin/X command.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Oracle_Linux_5_V2R1_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|CM-6b.
• CAT|II
• CCI|CCI-000366
• CSCv6|3.1
• Rule-ID|SV-218170r603259_rule
• STIG-ID|GEN000000-LNX00380
• STIG-Legacy|SV-62815
• STIG-Legacy|V-1022
• Vuln-ID|V-218170

Source

• Tenable.com/audits