The system must prevent the root account from logging in from virtual consoles.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-208804	OL6-00-000027	SV-208804r793589_rule		Medium

Description
Preventing direct root login to virtual console devices helps ensure accountability for actions taken on the system using the root account.

STIG	Date
Oracle Linux 6 Security Technical Implementation Guide	2021-12-03

Details

Check Text ( C-9057r357392_chk )
To check for virtual console entries which permit root login, run the following command: # grep '^vc/[0-9]' /etc/securetty If any output is returned, then root logins over virtual console devices is permitted. If root login over virtual console devices is permitted, this is a finding.

Fix Text (F-9057r357393_fix)
To restrict root logins through the (deprecated) virtual console devices, ensure lines of this form do not appear in "/etc/securetty": vc/1 vc/2 vc/3 vc/4 Note: Virtual console entries are not limited to those listed above. Any lines starting with "vc/" followed by numerals should be removed.