The Photon operating system must configure Secure Shell (SSH) to perform strict mode checking of home directory configuration files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-258876 | PHTN-40-000213 | SV-258876r933689_rule | CCI-000366 | medium |
| 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. | ||||
| STIG | Date | |||
| VMware vSphere 8.0 vCenter Appliance Photon OS 4.0 Security Technical Implementation Guide | 2023-10-29 | |||
Details
Check Text (C-258876r933689_chk)
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 Text (F-62525r933688_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