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The SUSE operating system must not allow unattended or automatic logon via the graphical user interface.


Overview

Finding ID Version Rule ID IA Controls Severity
V-217139 SLES-12-010380 SV-217139r505931_rule High
Description
Failure to restrict system access to authenticated users negatively impacts SUSE operating system security.
STIG Date
SLES 12 Security Technical Implementation Guide 2020-09-10

Details

Check Text ( C-18367r369573_chk )
Note: If a graphical user interface is not installed, this requirement is Not Applicable.

Verify the SUSE operating system does not allow unattended or automatic logon via a graphical user interface.

Check that unattended or automatic login is disabled with the following command:

# sudo grep -i automaticloginenable /etc/gdm/custom.conf

AutomaticLoginEnable=false

If the "AutomaticLoginEnable" parameter is not set to "false", this is a finding.
Fix Text (F-18365r369574_fix)
Configure the SUSE operating system graphical user interface to not allow unattended or automatic logon to the system.

Add or edit the following line in the "/etc/gdm/custom.conf" file directly below the "[daemon]" tag:

AutomaticLoginEnable=false