The Photon operating system must configure Secure Shell (SSH) to disable user environment processing.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-258871	PHTN-40-000208	SV-258871r933674_rule		High

Description
Enabling user environment processing may enable users to bypass access restrictions in some configurations and must therefore be disabled.

STIG	Date
VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide	2023-10-29

Details

Check Text ( C-62611r933672_chk )
At the command line, run the following command to verify the running configuration of sshd: # sshd -T|&grep -i PermitUserEnvironment Example result: permituserenvironment no If "PermitUserEnvironment" is not set to "no", this is a finding.

Fix Text (F-62520r933673_fix)
Navigate to and open: /etc/ssh/sshd_config Ensure the "PermitUserEnvironment" line is uncommented and set to the following: PermitUserEnvironment no At the command line, run the following command: # systemctl restart sshd.service