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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-256548 | PHTN-30-000079 | SV-256548r887318_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 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide | 2023-02-21 |
Details
| Check Text ( C-60223r887316_chk ) |
|---|
| At the command line, run 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-60166r887317_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 |