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The Hacker’s Guide to Insecure Workload Configuration in Kubernetes

Talkat GeeCON 2024 · 2024-05-15..05-17· [kubernetes, security]
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Live interactive demos show newly registered accounts getting hijacked by exploiting misconfigured workloads: a created pod mounts an hostPath volume so kubectl reads kubeconfigs and steals admin credentials, etcd is read to recover a JWT secret extraction and forged tokens log in as other users, a crafted privileged pod uses nsenter to escape to host and a reverse shell plus sniffing CNI traffic captures bearer tokens. Each exploit works end-to-end, resulting in full cluster compromise of several demo accounts.

AI-written summary · about

  1. 0:00Introduction and setup
  2. 2:37Kubernetes architecture overview
  3. 6:34Kubernetes security risks
  4. 12:32Demo environment setup
  5. 14:28First demo: Host path misconfiguration
  6. 25:57Second demo: Node escape via privileged pod
  7. 33:12Third demo: Reverse shell and traffic sniffing
  8. 43:40Summary and lessons learned
  9. 49:17Q&A and closing remarks
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