Ubuntu 22.04 LTS must not allow accounts configured with blank or null passwords.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| high | V-260570 | SRG-OS-000480-GPOS-00227 | UBTU-22-611060 | SV-260570r1082233_rule | 2025-03-03 | 2 |
| 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. |
| ℹ️ Check |
|---|
| Verify that null passwords cannot be used. Run the following command: $ grep nullok /etc/pam.d/common-auth /etc/pam.d/common-password If this produces any output, this is a finding. |
| ✔️ Fix |
|---|
| Remove any instances of the "nullok" option in "/etc/pam.d/common-password" to prevent logons with empty passwords. Remove any instances of the "nullok" option in "/etc/pam.d/common-auth" and "/etc/pam.d/common-password". |