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Log4jshell, which has been considered the biggest 0 day vulnerability of this decade, is still affecting thousands of servers worldwide. If you were affected, would it have been any different if you had used eBPF? Could you observe the malicious external connection, the JNDI lookup, the Java class download, or the remote code execution? Or even better, could you prevent it? Since eBPF provides us with a unique visibility directly into any Kubernetes workload on a single shared kernel - the answer is yes. This talk will take Log4jshell as a learning lesson and show you how it could have been detected and blocked in real time inside the kernel using eBPF. We will walk you through how open source eBPF based tools can give full network and process-level visibility to detect and prevent Log4jshell and your next CVE. We’ll finish by showcasing how Security Teams can easily put these tools in place to protect their critical Kubernetes environment and by giving Security best practices on how to prepare for their next CVE with eBPF.
Natalia Reka Ivanko is a Security Product Lead at Isovalent with a strong background in container and cloud native security. She is passionate about building things that matter and working with kernel and software engineers to develop and apply security best practices. She is inclined... Read More →
John Fastabend is the creator of Tetragon and current project lead as well as a Cilium maintainer. He is a long time kernel contributor and maintainer working on BPF from the early days of its creation and is the listed maintainer for various networking subsystems and drivers. He... Read More →
