VAR-202107-1478

Vulnerability from variot - Updated: 2024-08-14 15:33

Emissary-Ingress (formerly Ambassador API Gateway) through 1.13.9 allows attackers to bypass client certificate requirements (i.e., mTLS cert_required) on backend upstreams when more than one TLSContext is defined and at least one configuration exists that does not require client certificate authentication. The attacker must send an SNI specifying an unprotected backend and an HTTP Host header specifying a protected backend. (2.x versions are unaffected. 1.x versions are unaffected with certain configuration settings involving prune_unreachable_routes and a wildcard Host resource.). Emissary-Ingress ( Old Ambassador API Gateway) Contains a certificate validation vulnerability.Information may be tampered with. Emissary-Ingress is an open source Kubernetes native API gateway for microservices built by Envoy proxy

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