Ubuntu OS must have the "libpam-pwquality" package installed.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-275573 | SRG-OS-000480-GPOS-00225 | RIIM-OS-215010 | SV-275573r1147769_rule | 2025-10-02 | 1 |
Description
Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. "pwquality" enforces complex password construction configuration and has the ability to limit brute-force attacks on the system.
ℹ️ Check
Verify Ubuntu OS has the "libpam-pwquality" package installed with the following command:
$ dpkg -l | grep libpam-pwquality
ii libpam-pwquality:amd64 1.4.4-1build2 amd64 PAM module to check password strength
If "libpam-pwquality" is not installed, this is a finding.
✔️ Fix
Install the "pam_pwquality" package by using the following command:
$ sudo apt-get install libpam-pwquality