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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