The Photon operating system must configure Secure Shell (SSH) to perform strict mode checking of home directory configuration files.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-258876 | SRG-OS-000480-GPOS-00227 | PHTN-40-000213 | SV-258876r991589_rule | 2024-07-11 | 2 |
| Description |
|---|
| If other users have access to modify user-specific 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 to verify the running configuration of sshd: # sshd -T|&grep -i StrictModes Example result: strictmodes yes If "StrictModes" is not set to "yes", 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 |