DISA STIGS Viewer

OL 9 must not have accounts configured with blank or null passwords.

Overview

Finding ID Version Rule ID IA Controls Severity
V-271638 OL09-00-001130 SV-271638r1091626_rule   Medium
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
Oracle Linux 9 Security Technical Implementation Guide 2025-05-08

Details

Check Text (C-75688r1091624_chk)
Verify that OL 9 does not have accounts configured with blank or null passwords with the following command:

$ sudo awk -F: '!$2 {print $1}' /etc/shadow

If the command returns any results, this is a finding.
Fix Text (F-75595r1091625_fix)
Configure OL 9 so that all accounts have a password or lock the account with the following commands:

Perform a password reset:

$ sudo passwd [username]

To lock an account:

$ sudo passwd -l [username]