CVE-2024-34362

Envoy affected by a crash (use-after-free) in EnvoyQuicServerStream

State: Published
Severity: 5.9 Medium
Published: Jun 4, 2024
Updated: Aug 19, 2024
Reserved: May 2, 2024

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.

Scores

CVSS	Score	Vector	Source
3.1	5.9 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
envoyenvoyproxy	>= 1.30.0, <= 11.30.1Affected >= 1.29.0, <= 1.29.4Affected >= 1.28.0, <= 1.28.3Affected <= 1.27.5Affected

References

https://github.com/envoyproxy/envoy/security/advisories/GHSA-hww5-43gv-35jv

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