The Photon operating system must configure Secure Shell (SSH) to disable user environment processing.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| high | V-258871 | SRG-OS-000480-GPOS-00229 | PHTN-40-000208 | SV-258871r991591_rule | 2024-07-11 | 2 |
| Description |
|---|
| Enabling user environment processing may enable users to bypass access restrictions in some configurations and must therefore be disabled. |
| ℹ️ Check |
|---|
| 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 |
|---|
| 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 |