Vulnerability · Published Jun 4, 2024 · Assigned by GitHub_M

CVE-2024-34364Envoy OOM vector from HTTP async client with unbounded response buffer for mirror response

Medium 5.7

In plain English

A medium-severity uncontrolled resource consumption in envoy from envoyproxy. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).

Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)0.5%top 59.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Envoy is a cloud-native, open source edge and service proxy. Envoy exposed an out-of-memory (OOM) vector from the mirror response, since async HTTP client will buffer the response with an unbounded buffer.

Affected products (as reported)

VendorProductVersions
envoyproxy envoy >= 1.30.0, <= 1.30.1>= 1.29.0, <= 1.29.4>= 1.28.0, <= 1.28.3<= 1.27.5

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

References