The Photon operating system must require that new passwords are at least four characters different from the old password.

Changes are coming to https://stigviewer.com. Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey

The Photon operating system must require that new passwords are at least four characters different from the old password.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-239096	PHTN-67-000024	SV-239096r816611_rule		Medium

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.

STIG	Date
VMware vSphere 6.7 Photon OS Security Technical Implementation Guide	2022-09-27

Details

Check Text ( C-42307r675094_chk )
At the command line, execute the following command: # grep pam_cracklib /etc/pam.d/system-password\|grep --color=always "difok=." Expected result: password requisite pam_cracklib.so dcredit=-1 ucredit=-1 lcredit=-1 ocredit=-1 minlen=8 minclass=4 difok=4 retry=3 maxsequence=0 enforce_for_root If the output does not match the expected result, this is a finding.

Fix Text (F-42266r816610_fix)
Open /etc/applmgmt/appliance/system-password with a text editor. Comment out any existing "pam_cracklib.so" line and add the following: password requisite pam_cracklib.so dcredit=-1 ucredit=-1 lcredit=-1 ocredit=-1 minlen=8 minclass=4 difok=4 retry=3 maxsequence=0 enforce_for_root Save and close.