The Photon operating system must configure sshd to disallow HostbasedAuthentication.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-239194 | PHTN-67-000123 | SV-239194r675390_rule | Medium |
| Description |
|---|
| SSH trust relationships enable trivial lateral spread after a host compromise and therefore must be explicitly disabled. |
| STIG | Date |
|---|---|
| VMware vSphere 6.7 Photon OS Security Technical Implementation Guide | 2022-09-27 |
Details
| Check Text ( C-42405r675388_chk ) |
|---|
| At the command line, execute the following command: # sshd -T|&grep -i HostbasedAuthentication Expected result: hostbasedauthentication no If the output does not match the expected result, this is a finding. |
| Fix Text (F-42364r675389_fix) |
|---|
| Open /etc/ssh/sshd_config with a text editor. Ensure that the "HostbasedAuthentication" line is uncommented and set to the following: HostbasedAuthentication no At the command line, execute the following command: # service sshd reload |