The Oracle Linux operating system must be configured so that passwords are restricted to a 24 hours/1 day minimum lifetime.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-221682	OL07-00-010240	SV-221682r1015178_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, the password could be repeatedly changed in a short period of time to defeat the organization's policy regarding password reuse.

STIG	Date
Oracle Linux 7 Security Technical Implementation Guide	2024-08-26

Details

Check Text (C-23397r419118_chk)

Check whether the minimum time period between password changes for each user account is one day or greater.

# awk -F: '$4 < 1 {print $1 " " $4}' /etc/shadow

If any results are returned that are not associated with a system account, this is a finding.

Fix Text (F-23386r419119_fix)

Configure non-compliant accounts to enforce a 24 hours/1 day minimum password lifetime:

# chage -m 1 [user]