Ubuntu 22.04 LTS must prevent the use of dictionary words for passwords.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-260564 | SRG-OS-000480-GPOS-00225 | UBTU-22-611030 | SV-260564r991587_rule | 2025-03-03 | 2 |
| 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. |
| ℹ️ Check |
|---|
| 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 |
|---|
| 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 |