The system must not have accounts configured with blank or null passwords.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-38497	RHEL-06-000030	SV-50298r1_rule		High

Description
If an account has an empty password, anyone could log in and run commands with the privileges of that account. Accounts with empty passwords should never be used in operational environments.

STIG	Date
Red Hat Enterprise Linux 6 Security Technical Implementation Guide	2014-06-10

Details

Check Text ( None )
None

Fix Text (F-43444r1_fix)
If an account is configured for password authentication but does not have an assigned password, it may be possible to log into the account without authentication. Remove any instances of the "nullok" option in "/etc/pam.d/system-auth-ac" to prevent logins with empty passwords.