DISA STIGS Viewer

The Photon operating system must not allow empty passwords.

Overview

Finding ID Version Rule ID IA Controls Severity
V-266063 PHTN-40-000247 SV-266063r1003661_rule   Medium
Description
Accounts with empty or no passwords allow anyone to log on as that account without specifying a password or other forms of authentication. Allowing accounts with empty passwords puts the system at significant risk since only the username is required for access.
STIG Date
VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide 2024-07-11

Details

Check Text (C-69986r1003659_chk)
At the command line, run the following command to verify empty passwords are not allowed:

# grep nullok /etc/pam.d/system-password /etc/pam.d/system-auth

If any results are returned indicating "nullok" is configured on the "pam_unix.so" module, this is a finding.
Fix Text (F-69889r1003660_fix)
Navigate to and open:

/etc/pam.d/system-password or /etc/pam.d/system-auth

Remove the "nullok" argument on the "pam_unix.so" module line.

Note: On vCenter appliances, the equivalent file must be edited under "/etc/applmgmt/appliance", if one exists, for the changes to persist after a reboot.