CVE-2025-1097: Ingress-Nginx Controller – Configuration Injection via Unsanitized `auth-tls-match-cn` Annotation

CVE-2025-1097: Ingress-Nginx Controller - Configuration Injection via Unsanitized `auth-tls-match-cn` Annotation-渗透云记 - 专注于网络安全与技术分享
CVE-2025-1097: Ingress-Nginx Controller – Configuration Injection via Unsanitized `auth-tls-match-cn` Annotation
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漏洞标题

CVE-2025-1097: Ingress-NGinx Controller – Configuration Injection via Unsanitized `auth-tls-match-cn` Annotation

漏洞描述

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.)

PoC代码

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