envoyproxy/envoy: integer overflow handling large grpc-timeouts

A flaw was found in envoyproxy/envoy. An attacker, able to craft a packet which specifies a large grpc-timeout, can potentially cause envoy to incorrectly calculate the timeouts resulting in a denial of service. The highest threat from this vulnerability is to system availability...

envoyproxy/envoy: incorrectly handles multiple HTTP headers in requests

An incorrect access control bypass vulnerability was found in envoy proxy/envoy. This flaw allows an attacker to send multiple HTTP headers where only the first one is valid. Envoy then forwards all of the headers as valid to the upstream component. This issue allows an attacker to subvert any...

CVE-2020-25017

An incorrect access control bypass vulnerability was found in envoy proxy/envoy. This flaw allows an attacker to send multiple HTTP headers where only the first one is valid. Envoy then forwards all of the headers as valid to the upstream component. This issue allows an attacker to subvert any...

envoyproxy/envoy: incorrectly validates TLS certificates when using wildcards for DNS SAN's

An improper certificate validation vulnerability was found in envoyproxy/envoy, when externally created certificates with wildcards in the DNS Subject Alternative Name are used. This flaw allows an attacker to subvert the envoy filter or destination rules to access restricted resources. The highe...

Cloud Lookup (and Bypass)

This module can be useful if you need to test the security of your server and your website behind a solution Cloud based. By discovering the origin IP address of the targeted host. More precisely, this module uses multiple data sources in order ViewDNS.info, DNS enumeration and Censys to collect...

envoy: Response flooding for HTTP/1.1

A resource consumption vulnerability was found in the servicemesh-proxy in Envoy. An attacker could use pipelined requests to cause excessive amounts of memory to be used, possibly degrading or crashing the application...

Envoy Resource Management Error Vulnerability (CNVD-2021-58579)

Envoy is an open source distributed proxy server. version 1.10.0 to 1.11.1 of Envoy contains a resource management error vulnerability, which can be exploited by attackers with specially crafted requests to cause a denial of service consume CPU resources...

Wallarm Launches Support of Envoy Proxy/ Envoy API Protection

Wallarm can protect North-South API in the applications that use Envoy as an alternative Ingress controller at the front end of a Kubernetes cluster. Wallarm can also protect edge traffic and also East-West Envoy API for Service-Mesh and Istio. The post Wallarm Launches Support of Envoy Proxy/...

The vulnerability relates to the implementation of the HTTP/2 network protocol on Windows operating systems, nginx servers, network programming tools like netty, Envoy, SwiftNIO, and Node.js software platforms. This allows attackers to induce service failures.

The vulnerability of the HTTP/2 network protocol implementation in Windows operating systems, nginx servers, network programming tools like Netty, Envoy, SwiftNIO, and Node.js software platforms is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a maliciou...

FreeBSD : Istio -- Security vulnerabilities (484d3f5e-653a-11e9-b0e3-1c39475b9f84)

Istio reports : Two security vulnerabilities have recently been identified in the Envoy proxy. The vulnerabilities are centered on the fact that Envoy did not normalize HTTP URI paths and did not fully validate HTTP/1.1 header values. These vulnerabilities impact Istio features that rely on Envoy...

Istio -- Security vulnerabilities

Istio reports: Two security vulnerabilities have recently been identified in the Envoy proxy. The vulnerabilities are centered on the fact that Envoy did not normalize HTTP URI paths and did not fully validate HTTP/1.1 header values. These vulnerabilities impact Istio features that rely on Envoy ...