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An X Windows display manager must not be installed unless approved.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-72307 | RHEL-07-040730 | SV-86931r2_rule | Medium |
| Description |
|---|
| Internet services that are not required for system or application processes must not be active to decrease the attack surface of the system. X Windows has a long history of security vulnerabilities and will not be used unless approved and documented. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 7 Security Technical Implementation Guide | 2017-07-08 |
Details
| Check Text ( C-72541r2_chk ) |
|---|
| Verify that if the system has X Windows System installed, it is authorized. Check for the X11 package with the following command: # yum group list installed "X Window System" Ask the System Administrator if use of the X Windows System is an operational requirement. If the use of X Windows on the system is not documented with the Information System Security Officer (ISSO), this is a finding. |
| Fix Text (F-78661r1_fix) |
|---|
| Document the requirement for an X Windows server with the ISSO or remove the related packages with the following commands: #yum groupremove "X Window System" #yum remove xorg-x11-server-common |