Title

The SUSE operating system must not allow unattended or automatic logon via the graphical user interface (GUI). (Cat I impact)

Discussion

Failure to restrict system access to authenticated users negatively impacts SUSE operating system security.

Check Content

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 the GUI. 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" If parameter is not set to "no", this is a finding.

Fix Text

Note: If a graphical user interface is not installed, this requirement is Not Applicable. Configure the SUSE operating system GUI 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"

Additional Identifiers

Rule ID: SV-235031r877377_rule

Vulnerability ID: V-235031

Group Title: SRG-OS-000480-GPOS-00229

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.