External Secrets Operator insecurely retrieves secrets through the getSecretKey templating function

External Secrets Operator reads information from a third-party service and automatically injects the values as Kubernetes Secrets. Starting in version 0.20.2 and prior to version 1.2.0, the `getSecretKey` template function, while introduced for senhasegura Devops Secrets Management (DSM) provider, has the ability to fetch secrets cross-namespaces with the roleBinding of the external-secrets controller, bypassing our security mechanisms. This function was completely removed in version 1.2.0, as everything done with that templating function can be done in a different way while respecting External Secrets Operator's safeguards As a workaround, use a policy engine such as Kubernetes, Kyverno, Kubewarden, or OPA to prevent the usage of `getSecretKey` in any ExternalSecret resource.

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授权机制不正确

External Secrets 安全漏洞

External Secrets是External Secrets开源的一个 Kubernetes 相关应用程序。 External Secrets 0.20.2版本至1.2.0之前版本存在安全漏洞，该漏洞源于getSecretKey模板函数能够跨命名空间获取密钥并绕过安全机制，可能导致权限提升。

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