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CVE-2022-24766— Insufficient Protection against HTTP Request Smuggling in mitmproxy

Quick assessment

Affected
mitmproxy mitmproxy
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.

mitmproxy是一个交互式的、支持 SSL/TLS 的拦截代理，带有用于 HTTP/1、HTTP/2 和 WebSockets 的控制台界面。 mitmproxy 7.0.4 版本及之前版本存在安全漏洞，该漏洞源于恶意客户端或服务器能够通过 mitmproxy 执行请求夹带（request smuggling）攻击。

CVSS 9.8 · Critical EPSS 1.65% · P75

Possible ATT&CK Techniques 1 AI

T1102 · Web Service
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I. Basic Information for CVE-2022-24766

Vulnerability Information
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Vulnerability Title
Insufficient Protection against HTTP Request Smuggling in mitmproxy
Source: CVE Program / CVE List V5
Vulnerability Description
mitmproxy is an interactive, SSL/TLS-capable intercepting proxy. In mitmproxy 7.0.4 and below, a malicious client or server is able to perform HTTP request smuggling attacks through mitmproxy. This means that a malicious client/server could smuggle a request/response through mitmproxy as part of another request/response's HTTP message body. While mitmproxy would only see one request, the target server would see multiple requests. A smuggled request is still captured as part of another request's body, but it does not appear in the request list and does not go through the usual mitmproxy event hooks, where users may have implemented custom access control checks or input sanitization. Unless mitmproxy is used to protect an HTTP/1 service, no action is required. The vulnerability has been fixed in mitmproxy 8.0.0 and above. There are currently no known workarounds.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
mitmproxy 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mitmproxy是一个交互式的、支持 SSL/TLS 的拦截代理，带有用于 HTTP/1、HTTP/2 和 WebSockets 的控制台界面。 mitmproxy 7.0.4 版本及之前版本存在安全漏洞，该漏洞源于恶意客户端或服务器能够通过 mitmproxy 执行请求夹带（request smuggling）攻击。
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
mitmproxy mitmproxy <= 7.0.4 -

II. Public POCs for CVE-2022-24766

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III. Intelligence Information for CVE-2022-24766

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Patches & Fixes for CVE-2022-24766 (1)

Security Blog Posts for CVE-2022-24766 (1)

IV. Related Vulnerabilities

Same product: mitmproxy
Same vendor: mitmproxy
Same weakness: CWE-444

V. Comments for CVE-2022-24766

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