Detections
Analytics
RHEL-08-040320 - The graphical display manager must not be installed on RHEL 8 unless approved.
Information
Internet services that are 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.Solution
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 yum remove xorg-x11-server-Xorg xorg-x11-server-common xorg-x11-server-utils xorg-x11-server-Xwayland
A reboot is required for the changes to take effect.
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_RHEL_8_V2R7_STIG.zip
Item Details
Audit Name: DISA Red Hat Enterprise Linux 8 STIG v2r7
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-230553r1017315_rule, STIG-ID|RHEL-08-040320, Vuln-ID|V-230553
Plugin: Unix
Control ID: e8146c72ce68b7c6d3a665d53759999d808b1d55e418a2ab295c190487e03730