Privilege Escalation Affecting github.com/kata-containers/runtime/virtcontainers package, versions <1.11.5
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9 Dec 2020
8 Dec 2020
How to fix?
github.com/kata-containers/runtime/virtcontainers to version 1.11.5 or higher.
github.com/kata-containers/runtime/virtcontainers is a manages hardware virtualized containers. Each container belongs to a set of containers sharing the same networking namespace and storage, also known as a sandbox.
Affected versions of this package are vulnerable to Privilege Escalation. The runtime will execute binaries given using annotations without any kind of validation. Someone who is granted access rights to a cluster will be able to have kata-runtime execute arbitrary binaries as root on the worker nodes.