The Photon operating system must configure sshd to perform strict mode checking of home directory configuration files.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-256550 | SRG-OS-000480-GPOS-00227 | PHTN-30-000081 | SV-256550r991589_rule | 2024-12-16 | 1 |
| Description |
|---|
| If other users have access to modify user-specific Secure Shell (SSH) configuration files, they may be able to log on to the system as another user. |
| ℹ️ Check |
|---|
| At the command line, run the following command: # sshd -T|&grep -i StrictModes Expected result: StrictModes yes If the output does not match the expected result, this is a finding. |
| ✔️ Fix |
|---|
| Navigate to and open: /etc/ssh/sshd_config Ensure the "StrictModes" line is uncommented and set to the following: StrictModes yes At the command line, run the following command: # systemctl restart sshd.service |