RHEL 9 must disable the graphical user interface autorun function unless required.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-258016	RHEL-09-271030	SV-258016r926035_rule		Medium

Description
Allowing autorun commands to execute may introduce malicious code to a system. Configuring this setting prevents autorun commands from executing.

STIG	Date
Red Hat Enterprise Linux 9 Security Technical Implementation Guide	2023-12-01

Details

Check Text ( C-61757r926033_chk )
Verify RHEL 9 disables the graphical user interface autorun function with the following command: Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable. $ gsettings get org.gnome.desktop.media-handling autorun-never true If "autorun-never" is set to "false", and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.

Check Text ( C-61757r926033_chk )

Verify RHEL 9 disables the graphical user interface autorun function with the following command:

Note: This requirement assumes the use of the RHEL 9 default graphical user interface, the GNOME desktop environment. If the system does not have any graphical user interface installed, this requirement is Not Applicable.

$ gsettings get org.gnome.desktop.media-handling autorun-never

true

If "autorun-never" is set to "false", and is not documented with the information system security officer (ISSO) as an operational requirement, this is a finding.

Fix Text (F-61681r926034_fix)
Configure the GNOME desktop to disable the autorun function on removable media. The dconf settings can be edited in the /etc/dconf/db/* location. Update the [org/gnome/desktop/media-handling] section of the "/etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines: [org/gnome/desktop/media-handling] autorun-never=true Then update the dconf system databases: $ sudo dconf update

Fix Text (F-61681r926034_fix)

Configure the GNOME desktop to disable the autorun function on removable media.

The dconf settings can be edited in the /etc/dconf/db/* location.

Update the [org/gnome/desktop/media-handling] section of the "/etc/dconf/db/local.d/00-security-settings" database file and add or update the following lines:

[org/gnome/desktop/media-handling]
autorun-never=true

Then update the dconf system databases:

$ sudo dconf update