CVE-2018-1002102

Summary

Improper validation of URL redirection in the Kubernetes API server in versions prior to v1.14.0 allows an attacker-controlled Kubelet to redirect API server requests from streaming endpoints to arbitrary hosts. Impacted API servers will follow the redirect as a GET request with client-certificate credentials for authenticating to the Kubelet.

Affected Software

VendorProductVersion RangeStatus
KubernetesKubernetesv1.14 < v1.14.0affected

Weaknesses

  • CWE-601: CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Workarounds

For Kubernetes versions >= v1.10.0, the ValidateProxyRedirects feature can be manually enabled with the kube-apiserver flag –feature-gates=ValidateProxyRedirects=true

ADP Enrichment

CVE Program Container

Additional References

References