DISA STIGS Viewer

The Photon operating system must configure sshd to disallow HostbasedAuthentication.

Overview

Finding ID Version Rule ID IA Controls Severity
V-256584 PHTN-30-000115 SV-256584r991591_rule   Medium
Description
Secure Shell (SSH) trust relationships enable trivial lateral spread after a host compromise and therefore must be explicitly disabled.
STIG Date
VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide 2024-12-16

Details

Check Text (C-60259r887424_chk)
At the command line, run 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-60202r887425_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