The Photon operating system must configure Secure Shell (SSH) to disallow authentication with an empty password.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| high | V-258870 | SRG-OS-000480-GPOS-00229 | PHTN-40-000207 | SV-258870r991591_rule | 2024-07-11 | 2 |
| Description |
|---|
| Blank passwords are one of the first things an attacker checks for when probing a system. Even if the user somehow has a blank password on the OS, SSH must not allow that user to log in. |
| ℹ️ Check |
|---|
| At the command line, run the following command to verify the running configuration of sshd: # sshd -T|&grep -i PermitEmptyPasswords Example result: permitemptypasswords no If "PermitEmptyPasswords" is not set to "no", 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 |