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The Ubuntu operating system must prevent the use of dictionary words for passwords.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-214964 | UBTU-16-010260 | SV-214964r508033_rule | Medium |
| Description |
|---|
| If the Ubuntu operating system allows the user to select passwords based on dictionary words, this increases the chances of password compromise by increasing the opportunity for successful guesses and brute-force attacks. |
| STIG | Date |
|---|---|
| Canonical Ubuntu 16.04 LTS Security Technical Implementation Guide | 2020-09-03 |
Details
| Check Text ( C-16163r284760_chk ) |
|---|
| Verify the Ubuntu operating system prevents the use of dictionary words for passwords. Determine if the field "dictcheck" is set in the "/etc/security/pwquality.conf" or "/etc/pwquality.conf.d/*.conf" files with the following command: # grep dictcheck /etc/security/pwquality.conf /etc/pwquality.conf.d/*.conf dictcheck=1 If the "dictcheck" parameter is not set to "1", or is commented out, this is a finding. |
| Fix Text (F-16161r284761_fix) |
|---|
| Configure the Ubuntu operating system to prevent the use of dictionary words for passwords. Add or update the following line in the "/etc/security/pwquality.conf" file or a configuration file in the /etc/pwquality.conf.d/ directory to contain the "dictcheck" parameter: dictcheck=1 |