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UBTU-24-300016 - Ubuntu 24.04 LTS must be configured so that when passwords are changed or new passwords are established, pwquality must be used.
Information
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.Solution
Configure Ubuntu 24.04 LTS to use "pwquality" to enforce password complexity rules.Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value):
enforcing = 1
Add the following line to "/etc/pam.d/common-password" (or modify the line to have the required value):
password requisite pam_pwquality.so retry=3
Note: Ensure the value of "retry" is between "1" and "3".
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_CAN_Ubuntu_24-04_LTS_V1R6_STIG.zip
Item Details
Audit Name: DISA Canonical Ubuntu 24.04 LTS STIG v1r6
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-270705r1066604_rule, STIG-ID|UBTU-24-300016, Vuln-ID|V-270705
Plugin: Unix
Control ID: df81d4453bcf5176c2f7e562127eac91de80cadf2a4c48571b79f1d81238a73c