The Oracle Linux operating system must not have a graphical display manager installed unless approved.
An XCCDF Rule
Description
Internet services not required for system or application processes must not be active to decrease the attack surface of the system. Graphical display managers have a long history of security vulnerabilities and must not be used unless approved and documented.
- ID
- SV-221888r991589_rule
- Version
- OL07-00-040730
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Document the requirement for a graphical user interface with the ISSO or reinstall the operating system without the graphical user interface. If reinstallation is not feasible, then continue with the following procedure:
Open an SSH session and enter the following commands:
$ sudo systemctl set-default multi-user.target