UCF STIG Viewer Logo
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 trusted hosts lists.


Overview

Finding ID Version Rule ID IA Controls Severity
V-239163 PHTN-67-000092 SV-239163r675297_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 2022-01-03

Details

Check Text ( C-42374r675295_chk )
At the command line, execute the following command:

# sshd -T|&grep -i IgnoreRhosts

Expected result:

IgnoreRhosts yes

If the output does not match the expected result, this is a finding.
Fix Text (F-42333r675296_fix)
Open /etc/ssh/sshd_config with a text editor.

Ensure that the "IgnoreRhosts" line is uncommented and set to the following:

IgnoreRhosts yes

At the command line, execute the following command:

# service sshd reload