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 | CCI-000366 | 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-258871r933674_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