SOL-11.1-040060 - The system must require at least eight characters be changed between the old and new passwords during a password change.

Information

To ensure password changes are effective in their goals, the system must ensure old and new passwords have significant differences. Without significant changes, new passwords may be easily guessed based on the value of a previously compromised password.

Solution

The root role is required.

# pfedit /etc/default/passwd

Search for MINDIFF. Change the line to read:

MINDIFF=8

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_SOL_11_x86_V3R1_STIG.zip

Item Details

Category: IDENTIFICATION AND AUTHENTICATION

References: 800-53|IA-5(1)(a), CAT|II, CCI|CCI-004066, Rule-ID|SV-216091r986431_rule, STIG-ID|SOL-11.1-040060, STIG-Legacy|SV-60839, STIG-Legacy|V-47967, Vuln-ID|V-216091

Plugin: Unix

Control ID: d35b2916180efc6050ec73f36c322173f74c360e888d7105a28d9cec6b8d83e4