high8.1
CVE-2021-25745
Improper Input Validation in k8s.io/ingress-nginx
Impact
A security issue was discovered in ingress-nginx 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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | k8s.io/ingress-nginx | < 1.2.0 | 1.2.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Kubernetes | Ingress-Nginx | before 1.2.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/kubernetes/ingress-nginx/issues/8502
- https://groups.google.com/g/kubernetes-security-announce/c/7vQrpDZeBlc
- https://security.netapp.com/advisory/ntap-20220609-0006/
- https://github.com/advisories/GHSA-pvmg-xgmx-9mxh
- https://nvd.nist.gov/vuln/detail/CVE-2021-25745