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The Photon operating system must configure sshd to disable environment processing.


Overview

Finding ID Version Rule ID IA Controls Severity
V-239155 PHTN-67-000084 SV-239155r675273_rule Medium
Description
Enabling environment processing may enable users to bypass access restrictions in some configurations and must therefore be disabled.
STIG Date
VMware vSphere 6.7 Photon OS Security Technical Implementation Guide 2022-06-17

Details

Check Text ( C-42366r675271_chk )
At the command line, execute the following command:

sshd -T|&grep -i PermitUserEnvironment

Expected result:

PermitUserEnvironment no

If the output does not match the expected result, this is a finding.
Fix Text (F-42325r675272_fix)
Open /etc/ssh/sshd_config with a text editor.

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

PermitUserEnvironment no

At the command line, execute the following command:

# service sshd reload