The Oracle Linux operating system must not allow an unattended or automatic logon to the system via a graphical user interface.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-221694	OL07-00-010440	SV-221694r603260_rule		High

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

STIG	Date
Oracle Linux 7 Security Technical Implementation Guide	2021-04-01

Details

Check Text ( C-23409r419154_chk )
Verify the operating system does not allow an unattended or automatic logon to the system via a graphical user interface. Note: If the system does not have GNOME installed, this requirement is Not Applicable. Check for the value of the "AutomaticLoginEnable" in the "/etc/gdm/custom.conf" file with the following command: # grep -i automaticloginenable /etc/gdm/custom.conf AutomaticLoginEnable=false If the value of "AutomaticLoginEnable" is not set to "false", this is a finding.

Check Text ( C-23409r419154_chk )

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

Note: If the system does not have GNOME installed, this requirement is Not Applicable.

Check for the value of the "AutomaticLoginEnable" in the "/etc/gdm/custom.conf" file with the following command:

# grep -i automaticloginenable /etc/gdm/custom.conf
AutomaticLoginEnable=false

If the value of "AutomaticLoginEnable" is not set to "false", this is a finding.

Fix Text (F-23398r419155_fix)
Configure the operating system not to allow an unattended or automatic logon to the system via a graphical user interface. Note: If the system does not have GNOME installed, this requirement is Not Applicable. Add or edit the line for the "AutomaticLoginEnable" parameter in the [daemon] section of the "/etc/gdm/custom.conf" file to "false": [daemon] AutomaticLoginEnable=false