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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-217139r877377_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 2022-12-06

Details

Check Text ( C-18367r646705_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 commands:

> grep -i ^DISPLAYMANAGER_AUTOLOGIN /etc/sysconfig/displaymanager

DISPLAYMANAGER_AUTOLOGIN=""

> grep -i ^DISPLAYMANAGER_PASSWORD_LESS_LOGIN /etc/sysconfig/displaymanager

DISPLAYMANAGER_PASSWORD_LESS_LOGIN="no"

If the "DISPLAYMANAGER_AUTOLOGIN" parameter includes a username or the
"DISPLAYMANAGER_PASSWORD_LESS_LOGIN" parameter is not set to "no", this is a
finding.
Fix Text (F-18365r646706_fix)
Note: If a graphical user interface is not installed, this requirement is Not Applicable.

Configure the SUSE operating system graphical user interface to not allow unattended or automatic logon to the system.

Add or edit the following lines in the "/etc/sysconfig/displaymanager" configuration file:

DISPLAYMANAGER_AUTOLOGIN=""
DISPLAYMANAGER_PASSWORD_LESS_LOGIN="no"