Ubuntu 22.04

Ubuntu 22.04 LTS must prevent the use of dictionary words for passwords

STIG ID: UBTU-22-611030 | SRG: SRG-OS-000480-GPOS-00225 | Severity: Medium | CCI: CCI-000366 | Vulnerability ID: V-260564

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.

Check

C-64293r953503_chk

Verify Ubuntu 22.04 LTS prevents the use of dictionary words for passwords by using the following command: $ grep -i dict /etc/security/pwquality.conf dict = 1 If "dict" is not set to "1", is commented out, or is missing, this is a finding.

Fix

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