Introduction As cybersecurity professionals, addressing vulnerabilities like CVE-2024-6387—a critical flaw in OpenSSH—requires not just detection but also a practical approach to remediation. This vulnerability affects OpenSSH versions 8.5p1 to 9.7p1, leaving systems open to potential remote exploitation. To streamline the patching process, I created a universal remedy script to address this issue across Linux, macOS, Windows, and Docker environments. The Challenge Managing diverse infrastructures often involves tackling varying operating systems and configurations. OpenSSH, being ubiquitous, is a key target for such vulnerabilities. However, updating OpenSSH isn't uniform across platforms: Linux has multiple package managers (e.g., apt, yum). macOS ties OpenSSH updates to system updates. Windows uses standalone binaries. Docker environments might rely on outdated base images, requiring manual updates or compilation. The Remedy Script My Bash script simplifies remediation for all these environments. Here's what it does: Platform Detection: Automatically identifies the operating system (Linux, macOS, Windows) or Docker container. Platform-Specific Updates: On Linux, it uses the appropriate package manager (e.g., apt, yum) to update OpenSSH. On macOS, it suggests using softwareupdate for system-wide patches. On Windows, it guides downloading and replacing the OpenSSH binaries manually. For Docker containers, it compiles OpenSSH from source to bypass outdated repositories. Universal Usability: Whether you're managing physical systems, virtual machines, or containers, the script adapts to the environment. How to Use Save the script as remedy_openssh.sh and make it executable: chmod +x remedy.sh Run it based on your platform: Linux/macOS: ./remedy.sh Docker: ./remedy.sh --docker <container_name> Windows: Follow the instructions provided in the script output. The Outcome This script ensures that OpenSSH is updated to a secure version across your entire infrastructure. By addressing the nuances of each platform, it saves time and reduces the complexity of remediation. Here's an example of its output: Updating OpenSSH in Docker container 'vuln-openssh'... OpenSSH updated to version 9.8p1 in the container. The system is now secure against CVE-2024-6387. Final Thoughts With this script, patching vulnerabilities becomes a streamlined process. By automating remediation across platforms, we can focus on proactive security measures, ensuring systems remain resilient against emerging threats. If you'd like to try the script, let me know your feedback and improvements!