User passwords must be changed at least every 60 days.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-11976	GEN000700	SV-38939r1_rule	IAIA-2 IAIA-1	Medium

Description
Limiting the lifespan of authenticators limits the period of time an unauthorized user has access to the system while using compromised credentials and reduces the period of time available for password-guessing attacks to run against a single password.

STIG	Date
AIX 5.3 SECURITY TECHNICAL IMPLEMENTATION GUIDE	2014-10-03

Details

Check Text ( C-28049r1_chk )
Check the maxage field for each user. The field represents the number of weeks a password is valid. Procedure: # /usr/sbin/lsuser -a maxage ALL If the maxage field is 0 or greater than 8 for any user, this is a finding.

Fix Text (F-32059r1_fix)
Use the chsec command to set the maxage field to 8 for each user. # chsec -f /etc/security/user -s default -a maxage=8 # chuser maxage=8 < user id >