SLEM 5 SSH daemon must perform strict mode checking of home directory configuration files.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-261341 | SLEM-05-255080 | SV-261341r996486_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 |
| SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide | 2025-05-08 |
Details
| Check Text (C-65070r996484_chk) |
| Verify SLEM 5 SSH daemon performs strict mode checking of home directory configuration files with the following command: > sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iH '^\s*strictmodes' /etc/ssh/sshd_config:StrictModes yes If "StrictModes" is not set to "yes", is commented out, missing, or conflicting results are returned, this is a finding. |
| Fix Text (F-64978r996485_fix) |
| Configure SLEM 5 SSH daemon performs strict mode checking of home directory configuration files. Add or modify the following line in the "/etc/ssh/sshd_config" file: StrictModes yes Restart the SSH daemon in order for the changes to take effect: > sudo systemctl restart sshd.service |