Title

The Red Hat Enterprise Linux operating system must not allow an unattended or automatic logon to the system via a graphical user interface. (Cat I impact)

Discussion

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

Check Content

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

Configure the operating system to 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. 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

Additional Identifiers

Rule ID: SV-204432r877377_rule

Vulnerability ID: V-204432

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.