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

2024-06-0420:59:48

CWE-400

GitHub_M

www.cve.org

envoy

http

async client

oom

vector

unbounded buffer

5.7 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

0.0004 Low

EPSS

Percentile

13.5%

JSON

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.

CNA Affected

[
  {
    "vendor": "envoyproxy",
    "product": "envoy",
    "versions": [
      {
        "version": ">= 1.30.0, <= 11.30.1",
        "status": "affected"
      },
      {
        "version": ">= 1.29.0, <= 1.29.4",
        "status": "affected"
      },
      {
        "version": ">= 1.28.0, <= 1.28.3",
        "status": "affected"
      },
      {
        "version": "<= 1.27.5",
        "status": "affected"
      }
    ]
  }
]