TOSS must not allow blank or null passwords in the system-auth file.
An XCCDF Rule
Description
If an account has an empty password, anyone could log on and run commands with the privileges of that account. Accounts with empty passwords should never be used in operational environments.
- ID
- SV-252940r991589_rule
- Version
- TOSS-04-010380
- Severity
- High
- References
- Updated
Remediation Templates
A Manual Procedure
Remove any instances of the "nullok" option in the "/etc/pam.d/system-auth" file to prevent logons with empty passwords.
Note: Manual changes to the listed file may be overwritten by the "authselect" program.