UCF STIG Viewer Logo

The SUSE operating system must employ passwords with a minimum of 15 characters.


Finding ID Version Rule ID IA Controls Severity
V-234895 SLES-15-020260 SV-234895r622137_rule Medium
The shorter the password, the lower the number of possible combinations that need to be tested before the password is compromised. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. Password length is one factor of several that helps determine strength and how long it takes to crack a password. Use of more characters in a password helps exponentially increase the time and/or resources required to compromise the password.
SUSE Linux Enterprise Server 15 Security Technical Implementation Guide 2022-12-07


Check Text ( C-38083r618954_chk )
Verify the SUSE operating system enforces a minimum 15-character password length.

Check that the operating system enforces a minimum 15-character password length with the following command:

> grep pam_cracklib.so /etc/pam.d/common-password
password requisite pam_cracklib.so minlen=15

If the command does not return anything, the returned line is commented out, or has a second column value different from "requisite", or does not contain "minlen" value, or the value is less than "15", this is a finding.
Fix Text (F-38046r618955_fix)
Configure the SUSE operating system to enforce a minimum 15-character password length.

Edit "/etc/pam.d/common-password" and edit the line containing "pam_cracklib.so" to contain the option "minlen=15" after the third column.

The DoD standard requires a minimum 15-character password length.