The system must require passwords contain a minimum of 15 characters.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-11947 | GEN000580 | SV-63903r2_rule | Medium |
| Description |
|---|
| The use of longer passwords reduces the ability of attackers to successfully obtain valid passwords using guessing or exhaustive search techniques by increasing the password search space. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2016-06-01 |
Details
| Check Text ( C-52427r2_chk ) |
|---|
| Check the system password length setting. Procedure: Check the password minlen option # grep pam_cracklib.so /etc/pam.d/system-auth Confirm the minlen option is set to at least 15 as in the example below: password required pam_cracklib.so minlen=15 There may be other options on the line. If no such line is found, or the minlen is less than 15 this is a finding. |
| Fix Text (F-54479r2_fix) |
|---|
| Edit "/etc/pam.d/system-auth" to include the line: password required pam_cracklib.so minlen=15 prior to the "password include system-auth-ac" line. |