Vulnerabilities > CVE-2024-34362 - Use After Free vulnerability in Envoyproxy Envoy

047910
CVSS 5.9 - MEDIUM
Attack vector
NETWORK
Attack complexity
HIGH
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
network
high complexity
envoyproxy
CWE-416

Summary

Envoy is a cloud-native, open source edge and service proxy. There is a use-after-free in `HttpConnectionManager` (HCM) with `EnvoyQuicServerStream` that can crash Envoy. An attacker can exploit this vulnerability by sending a request without `FIN`, then a `RESET_STREAM` frame, and then after receiving the response, closing the connection.

Vulnerable Configurations

Part Description Count
Application
Envoyproxy
152

Common Weakness Enumeration (CWE)