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 sshd to ignore user-specific known_host files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-239164 | PHTN-67-000093 | SV-239164r675300_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 6.7 Photon OS Security Technical Implementation Guide | 2021-04-15 |
Details
| Check Text ( C-42375r675298_chk ) |
|---|
| At the command line, execute the following command: # sshd -T|&grep -i IgnoreUserKnownHosts Expected result: IgnoreUserKnownHosts yes If the output does not match the expected result, this is a finding. |
| Fix Text (F-42334r675299_fix) |
|---|
| Open /etc/ssh/sshd_config with a text editor. Ensure that the "IgnoreUserKnownHosts" line is uncommented and set to the following: IgnoreUserKnownHosts yes At the command line, execute the following command: # service sshd reload |