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Ubuntu 22.04 LTS must not allow accounts configured with blank or null passwords.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-260570 | UBTU-22-611060 | SV-260570r953523_rule | 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 | 2024-03-21 |
Details
| Check Text ( C-64299r953521_chk ) |
|---|
| To verify that null passwords cannot be used, run the following command: $ grep nullok /etc/pam.d/common-password If this produces any output, this is a finding. |
| Fix Text (F-64207r953522_fix) |
|---|
| Remove any instances of the "nullok" option in "/etc/pam.d/common-password" to prevent logons with empty passwords. |