説明
A security issue was discovered in Kubernetes where actors that control the responses of MutatingWebhookConfiguration or ValidatingWebhookConfiguration requests are able to redirect kube-apiserver requests to private networks of the apiserver. If that user can view kube-apiserver logs when the log level is set to 10, they can view the redirected responses and headers in the logs.
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影響を受ける製品
kuberneteskubernetes
1.20.11
kuberneteskubernetes
1.21.5
kuberneteskubernetes
1.22.2
参照
- https://github.com/kubernetes/kubernetes/issues/104720MitigationThird Party Advisory
- https://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsYMailing ListMitigation
- https://security.netapp.com/advisory/ntap-20211014-0002/Third Party Advisory
- https://github.com/kubernetes/kubernetes/issues/104720MitigationThird Party Advisory
- https://groups.google.com/g/kubernetes-security-announce/c/RV2IhwcrQsYMailing ListMitigation
- https://security.netapp.com/advisory/ntap-20211014-0002/Third Party Advisory