CVE-2021-25737

Summary

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.

Affected Software

Weaknesses

• CWE-184: CWE-184 Incomplete Blacklist

ADP Enrichment

CVE Program Container

Additional References

• https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY
• https://github.com/kubernetes/kubernetes/issues/102106
• https://security.netapp.com/advisory/ntap-20211004-0004/

References

• https://groups.google.com/g/kubernetes-security-announce/c/xAiN3924thY
• https://github.com/kubernetes/kubernetes/issues/102106
• https://security.netapp.com/advisory/ntap-20211004-0004/

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