Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
The Photon operating system must configure Secure Shell (SSH) to ignore user-specific known_host files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-258881 | PHTN-40-000218 | SV-258881r935567_rule | Medium |
| Description |
|---|
| SSH trust relationships enable trivial lateral spread after a host compromise and therefore must be explicitly disabled. Individual users can have a local list of trusted remote machines, which must also be ignored while disabling host-based authentication generally. |
| STIG | Date |
|---|---|
| VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide | 2023-10-29 |
Details
| Check Text ( C-62621r933702_chk ) |
|---|
| At the command line, run the following command to verify the running configuration of sshd: # sshd -T|&grep -i IgnoreUserKnownHosts Expected result: ignoreuserknownhosts yes If "IgnoreUserKnownHosts" is not set to "yes", this is a finding. |
| Fix Text (F-62530r933703_fix) |
|---|
| Navigate to and open: /etc/ssh/sshd_config Ensure the "IgnoreUserKnownHosts" line is uncommented and set to the following: IgnoreUserKnownHosts yes At the command line, run the following command: # systemctl restart sshd.service |