CVE-2022-3294 Affecting kubernetes package, versions <1.20.5+really1.20.2-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.24% (65th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-KUBERNETES-3112277
  • published11 Nov 2022
  • disclosed1 Mar 2023

Introduced: 11 Nov 2022

CVE-2022-3294  (opens in a new tab)

How to fix?

Upgrade Debian:unstable kubernetes to version 1.20.5+really1.20.2-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kubernetes package and not the kubernetes package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

Users may have access to secure endpoints in the control plane network. Kubernetes clusters are only affected if an untrusted user can modify Node objects and send proxy requests to them. Kubernetes supports node proxying, which allows clients of kube-apiserver to access endpoints of a Kubelet to establish connections to Pods, retrieve container logs, and more. While Kubernetes already validates the proxying address for Nodes, a bug in kube-apiserver made it possible to bypass this validation. Bypassing this validation could allow authenticated requests destined for Nodes to to the API server's private network.

CVSS Scores

version 3.1