Ubuntu 22.04 LTS must not have accounts configured with blank or null passwords.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-260571 | UBTU-22-611065 | SV-260571r991589_rule | CCI-000366 | high |
| Description | ||||
| 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. | ||||
| STIG | Date | |||
| Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide | 2025-05-16 | |||
Details
Check Text (C-260571r991589_chk)
Verify all accounts on the system to have a password by using the following command:
$ sudo awk -F: '!$2 {print $1}' /etc/shadow
If the command returns any results, this is a finding.
Fix Text (F-64208r953525_fix)
Configure all accounts on the system to have a password or lock the account by using the following commands:
Set the account password:
$ sudo passwd <username>
Or lock the account:
$ sudo passwd -l <username>