Bug 2354657 (CVE-2025-1097)

Summary: CVE-2025-1097 ingress-nginx: ingress-nginx controller - configuration injection via unsanitized auth-tls-match-cn annotation
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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OS: Linux   
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A flaw was found in ingress-nginx https://github.com/kubernetes/ingress-nginx where the `auth-tls-match-cn` Ingress annotation can be used to inject configuration into nginx. This issue can lead to arbitrary code execution in the context of the ingress-nginx controller and disclosure of Secrets accessible to the controller. Note that the controller can access all Secrets cluster-wide in the default installation.
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Description OSIDB Bzimport 2025-03-25 00:01:07 UTC
A security issue was discovered in  ingress-nginx https://github.com/kubernetes/ingress-nginx  where the `auth-tls-match-cn` Ingress annotation can be used to inject configuration into nginx. This can lead to arbitrary code execution in the context of the ingress-nginx controller, and disclosure of Secrets accessible to the controller. (Note that in the default installation, the controller can access all Secrets cluster-wide.)