The HYCU server must require that when a password is changed, the characters are changed in at least eight of the positions within the password.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-246853	HYCU-IA-000005	SV-246853r768223_rule		Medium

Description
If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of password compromise by increasing the window of opportunity for attempts at guessing and brute-force attacks. The number of changed characters refers to the number of changes required with respect to the total number of positions in the current password. In other words, characters may be the same within the two passwords; however, the positions of the like characters must be different. Multifactor authentication (MFA) is required for all administrative and user accounts on network devices, except for an account of last resort and (where applicable) a root account. Passwords should only be used when MFA using PKI is not available, and for the account of last resort and root account.

Description

If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of password compromise by increasing the window of opportunity for attempts at guessing and brute-force attacks. The number of changed characters refers to the number of changes required with respect to the total number of positions in the current password. In other words, characters may be the same within the two passwords; however, the positions of the like characters must be different. Multifactor authentication (MFA) is required for all administrative and user accounts on network devices, except for an account of last resort and (where applicable) a root account. Passwords should only be used when MFA using PKI is not available, and for the account of last resort and root account.

STIG	Date
HYCU for Nutanix Security Technical Implementation Guide	2021-08-03

Details

Check Text ( C-50285r768221_chk )
Log on to the HYCU VM console. Check for the value of the "minclass" option in "/etc/security/pwquality.conf" with the following command: grep mincla /etc/security/pwquality.conf If the minclass value is not set to "5", this is a finding.

Fix Text (F-50239r768222_fix)
Configure the operating system to enforce a minimum class setting. Add the following line to "/etc/security/pwquality.conf" (or modify the line to have the required value). minclass = 5