CVE-2024-34362

MEDIUM

envoyproxy/envoy < 1.27.6 - Use-After-Free in HttpConnectionManager with EnvoyQuicServerStream

Title source: llm
STIX 2.1

Description

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/envoyproxy/envoy/security/advisories/GHSA-hww5-43gv-35jv

Scores

CVSS v3 5.9
EPSS 0.0059
EPSS Percentile 43.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (1)
envoyproxy/envoy < 1.27.6
Published Jun 04, 2024
Tracked Since Feb 18, 2026