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 | 2021-04-15 |
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 |