The SUSE operating system must not allow unattended or automatic logon via SSH.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| high | V-235032 | SRG-OS-000480-GPOS-00229 | SLES-15-040440 | SV-235032r991591_rule | 2025-02-27 | 2 |
| Description |
|---|
| Failure to restrict system access via SSH to authenticated users negatively impacts SUSE operating system security. |
| ℹ️ Check |
|---|
| Verify the SUSE operating system disables unattended or automatic logon via SSH. Check that unattended or automatic logon via SSH is disabled with the following command: > sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iEH '^\s*(permit(.*?)(passwords|environment))' PermitEmptyPasswords no PermitUserEnvironment no If "PermitEmptyPasswords" or "PermitUserEnvironment" keywords are not set to "no", are missing completely, or are commented out, this is a finding. |
| ✔️ Fix |
|---|
| Configure the SUSE operating system disables unattended or automatic logon via SSH. Add or edit the following lines in the "/etc/ssh/sshd_config" file: PermitEmptyPasswords no PermitUserEnvironment no |