← Back to Canonical Ubuntu 24.04 LTS Security Technical Implementation Guide

V-270713

CAT I (High)

Ubuntu 24.04 LTS must not have accounts configured with blank or null passwords.

Rule ID

SV-270713r1066628_rule

STIG

Canonical Ubuntu 24.04 LTS Security Technical Implementation Guide

Version

V1R5

CCIs

CCI-000366

Discussion

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

Check Content

Check the "/etc/shadow" file for blank 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

Configure all accounts on the system to have a password or lock the account with the following commands:

Perform a password reset:
$ sudo passwd [username]

Lock an account:
$ sudo passwd -l [username]