The debugging endpoint /debug/pprof is exposed over the unauthenticated Kubelet healthz port. The go pprof endpoint is exposed over the Kubelet's healthz port. This debugging endpoint can potentially leak sensitive information such as internal Kubelet memory addresses and configuration, or for limited denial of service. Versions prior to 1.15.0, 1.14.4, 1.13.8, and 1.12.10 are affected. The issue is of medium severity, but not exposed by the default configuration.
Workaround:
The product uses a primary channel for administration or restricted functionality, but it does not properly protect the channel.
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
| Link | Tags |
|---|---|
| https://github.com/kubernetes/kubernetes/issues/81023 | third party advisory patch |
| https://groups.google.com/d/msg/kubernetes-security-announce/pKELclHIov8/BEDtRELACQAJ | third party advisory mailing list |
| https://security.netapp.com/advisory/ntap-20190919-0003/ | third party advisory |