CVE-2022-23648: Kubernetes Container Escape Using Containerd CRI Plugin and Mitigation
CVE-2022-23648, reported by Google’s Project Zero in November 2021, is a Kubernetes runtime vulnerability found in Containerd, a popular Kubernetes runtime. It lies in Containerd’s CRI plugin that handles OCI image specs containing “Volumes.” The attacker can add Volume containing path traversal to the image and use it to copy arbitrary files from the host to container mounted path. The vulnerability was reported by Felix Wilhelm on Nov.