SLEM 5 SSH daemon public host key files must have mode 644 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-261293 | SLEM-05-232040 | SV-261293r996357_rule | Medium |
| Description |
| If a public host key file is modified by an unauthorized user, the SSH service may be compromised. |
| STIG | Date |
| SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide | 2025-05-08 |
Details
| Check Text (C-65022r996355_chk) |
| Verify SLEM 5 SSH daemon public host key files have mode "644" or less permissive with the following command: Note: SSH public key files may be found in other directories on the system depending on the installation. > find /etc/ssh -name 'ssh_host*key.pub' -exec stat -c "%a %n" {} \; 644 /etc/ssh/ssh_host_rsa_key.pub 644 /etc/ssh/ssh_host_dsa_key.pub 644 /etc/ssh/ssh_host_ecdsa_key.pub 644 /etc/ssh/ssh_host_ed25519_key.pub If any file has a mode more permissive than "644", this is a finding. |
| Fix Text (F-64930r996356_fix) |
| Configure SLEM 5 SSH daemon public host key files have mode "644" or less permissive. Note: SSH public key files may be found in other directories on the system depending on the installation. Change the mode of public host key files under "/etc/ssh" to "644" with the following command: > sudo chmod 644 /etc/ssh/ssh_host*key.pub |