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CVE-2024-45807— oghttp2 crash on OnBeginHeadersForStream in envoy

Quick assessment

Affected
envoyproxy envoy
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Envoy是Enphase开源的一款用于连接智能家居设备的网关程序。 Envoy 1.31版本存在安全漏洞，该漏洞源于HTTP/2编解码器中存在围绕流管理的缺陷，会导致Envoy崩溃。

CVSS 7.5 · High EPSS 0.50% · P40

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-45807

Vulnerability Information
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Vulnerability Title
oghttp2 crash on OnBeginHeadersForStream in envoy
Source: CVE Program / CVE List V5
Vulnerability Description
Envoy is a cloud-native high-performance edge/middle/service proxy. Envoy's 1.31 is using `oghttp` as the default HTTP/2 codec, and there are potential bugs around stream management in the codec. To resolve this Envoy will switch off the `oghttp2` by default. The impact of this issue is that envoy will crash. This issue has been addressed in release version 1.31.2. All users are advised to upgrade. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
控制流实现总是不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Envoy 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Envoy是Enphase开源的一款用于连接智能家居设备的网关程序。 Envoy 1.31版本存在安全漏洞，该漏洞源于HTTP/2编解码器中存在围绕流管理的缺陷，会导致Envoy崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
envoyproxy envoy >= 1.31.0, < 1.31.2 -

II. Public POCs for CVE-2024-45807

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III. Intelligence Information for CVE-2024-45807

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Same Patch Batch · envoyproxy · 2024-09-19 · 5 CVEs total

CVE-2024-45810 6.5 MEDIUM Envoy crashes for LocalReply in http async client
CVE-2024-45808 6.5 MEDIUM Malicious log injection via access logs in envoy
CVE-2024-45806 6.5 MEDIUM Potential manipulate `x-envoy` headers from external sources in envoy
CVE-2024-45809 5.3 MEDIUM Jwt filter crash in the clear route cache with remote JWKs in envoy

IV. Related Vulnerabilities

Same product: envoy
Same vendor: envoyproxy
Same weakness: CWE-670

V. Comments for CVE-2024-45807

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