Details

Using GID 0 for the root account helps prevent root -owned files from accidentally becoming accessible to non-privileged users.

Solution

Run the following command to set the root user default group to GID 0: # usermod -g 0 root

Supportive Information

The following resource is also helpful.

• https://www.cisco.com/c/en/us/td/docs/security/firepower/623/configuration/guide/fpmc-config-guide-v623.html

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

References

• 800-53|AC-2
• CSCv6|5

Source

• Tenable.com/audits