The Photon operating system must configure sshd to disallow authentication with an empty password.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-256552 | SRG-OS-000480-GPOS-00227 | PHTN-30-000083 | SV-256552r991589_rule | 2024-12-16 | 1 |
| Description |
|---|
| Blank passwords are one of the first things an attacker checks for when probing a system. Even is the user somehow has a blank password on the operating system, sshd must not allow that user to log in. |
| ℹ️ Check |
|---|
| At the command line, run the following command: # sshd -T|&grep -i PermitEmptyPasswords Expected result: PermitEmptyPasswords no If the output does not match the expected result, this is a finding. |
| ✔️ Fix |
|---|
| Navigate to and open: /etc/ssh/sshd_config Ensure the "PermitEmptyPasswords" line is uncommented and set to the following: PermitEmptyPasswords no At the command line, run the following command: # systemctl restart sshd.service |