Ubuntu 22.04 LTS must enforce 24 hours/1 day as the minimum password lifetime. Passwords for new users must have a 24 hours/1 day minimum password lifetime restriction.

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Ubuntu 22.04 LTS must enforce 24 hours/1 day as the minimum password lifetime. Passwords for new users must have a 24 hours/1 day minimum password lifetime restriction.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-260545	UBTU-22-411025	SV-260545r954037_rule		Medium

Description
Enforcing a minimum password lifetime helps to prevent repeated password changes to defeat the password reuse or history enforcement requirement. If users are allowed to immediately and continually change their password, then the password could be repeatedly changed in a short period of time to defeat the organization's policy regarding password reuse.

STIG	Date
Canonical Ubuntu 22.04 LTS Security Technical Implementation Guide	2024-03-21

Details

Check Text ( C-64274r953446_chk )
Verify Ubuntu 22.04 LTS enforces a 24 hours/1 day minimum password lifetime for new user accounts by using the following command: $ grep -i pass_min_days /etc/login.defs PASS_MIN_DAYS 1 If "PASS_MIN_DAYS" is less than "1", is commented out, or is missing, this is a finding.

Fix Text (F-64182r953447_fix)
Configure Ubuntu 22.04 LTS to enforce a 24 hours/1 day minimum password lifetime. Add or modify the following line in the "/etc/login.defs" file: PASS_MIN_DAYS 1