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Improper Input Validation

CVE-2021-25745

High
8.1/10

Summary

A security issue was discovered in ingress-nginx prior to 1.2.0-beta.0 where a user that can create or update ingress objects can use the "spec.rules[].http.paths[].path" field of 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.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • NONE

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published