Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
The OL 8 SSH daemon must perform strict mode checking of home directory configuration files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-248603 | OL08-00-010500 | SV-248603r858568_rule | 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 |
|---|---|
| Oracle Linux 8 Security Technical Implementation Guide | 2023-12-01 |
Details
| Check Text ( C-52037r858567_chk ) |
|---|
| Verify the SSH daemon performs strict mode checking of home directory configuration files with the following command: $ sudo grep -ir strictmodes /etc/ssh/sshd_config* StrictModes yes If "StrictModes" is set to "no" or is missing, or if the returned line is commented out, this is a finding. If conflicting results are returned, this is a finding. |
| Fix Text (F-51991r779374_fix) |
|---|
| Configure SSH to perform strict mode checking of home directory configuration files. Uncomment the "StrictModes" keyword in "/etc/ssh/sshd_config" and set the value to "yes": StrictModes yes The SSH daemon must be restarted for the changes to take effect. To restart the SSH daemon, run the following command: $ sudo systemctl restart sshd.service |