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GHSA-mfv7-gq43-w965

Incomplete List of Disallowed Inputs in Kubernetes

Source: GitHub Advisory Database (reviewed) Moderate CVE-2021-25737

Packages

EcosystemPackageAffectedFixed in
Go k8s.io/kubernetes >= 1.16.0, < 1.18.19 1.18.19
Go k8s.io/kubernetes >= 1.19.0, < 1.19.11 1.19.11
Go k8s.io/kubernetes >= 1.20.0, < 1.20.7 1.20.7
Go k8s.io/kubernetes >= 1.21.0, < 1.21.1 1.21.1

Details

As written in the advisory (Markdown source, shown as plain text).

A security issue was discovered in Kubernetes where a user may be able to redirect pod traffic to private networks on a Node. Kubernetes already prevents creation of Endpoint IPs in the localhost or link-local range, but the same validation was not performed on EndpointSlice IPs.

References

External links from the advisory. They lead to third-party sites.