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UBTU-22-611065 Ubuntu 22.04 LTS must not have accounts configured with blank or null passwords.

DISA STIG library V2R10
All changes in this version
first version loaded CAT I

Maps to CM-6 via CCI-000366

Title

Ubuntu 22.04 LTS must not have accounts configured with blank or null passwords.

Control

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.

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.

Related controls

CCI-000366

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 Or lock the account: $ sudo passwd -l