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.
The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Kubernetes | Kubernetes | 1.20.11 (including) | 1.20.11 (including) |
| Kubernetes | Kubernetes | 1.21.5 (including) | 1.21.5 (including) |
| Kubernetes | Kubernetes | 1.22.2 (including) | 1.22.2 (including) |