CVE-2021-25746

Summary

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use .metadata.annotations in an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.

Affected Software

Weaknesses

• CWE-20: CWE-20: Improper Input Validation

ADP Enrichment

CVE Program Container

Additional References

• https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ
• https://github.com/kubernetes/ingress-nginx/issues/8503
• https://security.netapp.com/advisory/ntap-20220609-0006/

References

• https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ
• https://github.com/kubernetes/ingress-nginx/issues/8503
• https://security.netapp.com/advisory/ntap-20220609-0006/

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