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Ubuntu 22.04 LTS must prevent the use of dictionary words for passwords.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-260564 | UBTU-22-611030 | SV-260564r991587_rule | Medium |
| Description |
|---|
| If Ubuntu 22.04 LTS allows the user to select passwords based on dictionary words, then this increases the chances of password compromise by increasing the opportunity for successful guesses and brute-force attacks. |
| STIG | Date |
|---|---|
| Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide | 2024-05-30 |
Details
| Check Text ( C-64293r953503_chk ) |
|---|
| Verify Ubuntu 22.04 LTS prevents the use of dictionary words for passwords by using the following command: $ grep -i dictcheck /etc/security/pwquality.conf dictcheck = 1 If "dictcheck" is not set to "1", is commented out, or is missing, this is a finding. |
| Fix Text (F-64201r953504_fix) |
|---|
| Configure Ubuntu 22.04 LTS to prevent the use of dictionary words for passwords. Add or modify the following line in the "/etc/security/pwquality.conf" file: dictcheck = 1 |