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Envoy Proxy NULL Pointer Dereference Vulnerability - CVE-2021-43824 - Vulnerability Database
Envoy Proxy

Envoy Proxy NULL Pointer Dereference Vulnerability - CVE-2021-43824

High
Reference: CVE-2021-43824
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2021-43824
Title: Envoy Proxy NULL Pointer Dereference Vulnerability
Overview:

Envoy is an open source edge and service proxy designed for cloud-native applications. In affected versions a crafted request crashes Envoy when a CONNECT request is sent to JWT filter configured with regex match. This provides a denial of service attack vector. The only workaround is to not use regex in the JWT filter. Users are advised to upgrade.