The Photon operating system must configure Secure Shell (SSH) to disallow HostbasedAuthentication.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| high | V-258857 | SRG-OS-000480-GPOS-00229 | PHTN-40-000188 | SV-258857r991591_rule | 2024-07-11 | 2 |
| Description |
|---|
| SSH trust relationships enable trivial lateral spread after a host compromise and therefore must be explicitly disabled. |
| ℹ️ Check |
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| At the command line, run the following command to verify the running configuration of sshd: # sshd -T|&grep -i HostbasedAuthentication Example result: hostbasedauthentication no If "HostbasedAuthentication" is not set to "no", this is a finding. |
| ✔️ Fix |
|---|
| Navigate to and open: /etc/ssh/sshd_config Ensure the "HostbasedAuthentication" line is uncommented and set to the following: HostbasedAuthentication no At the command line, run the following command: # systemctl restart sshd.service |