CVE-2022-24790— HTTP Request Smuggling in puma
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I. Basic Information for CVE-2022-24790
Vulnerability Information
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Vulnerability Title
HTTP Request Smuggling in puma
Source: CVE Program / CVE List V5
Vulnerability Description
Puma is a simple, fast, multi-threaded, parallel HTTP 1.1 server for Ruby/Rack applications. When using Puma behind a proxy that does not properly validate that the incoming HTTP request matches the RFC7230 standard, Puma and the frontend proxy may disagree on where a request starts and ends. This would allow requests to be smuggled via the front-end proxy to Puma. The vulnerability has been fixed in 5.6.4 and 4.3.12. Users are advised to upgrade as soon as possible. Workaround: when deploying a proxy in front of Puma, turning on any and all functionality to make sure that the request matches the RFC7230 standard.
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:N
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
Puma 环境问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Puma是美国Evan Phoenix个人开发者的一款针对高并发应用的Web服务器。 Puma 存在环境问题漏洞，该漏洞源于当在未正确验证传入 HTTP 请求是否符合 RFC7230 标准的代理后面使用 Puma 时，Puma 和前端代理可能会在请求开始和结束的位置上存在分歧。 这将允许通过前端代理将请求走私到 Puma。
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
II. Public POCs for CVE-2022-24790
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Vendor Advisories for CVE-2022-24790 (2)
Mailing List Discussions for CVE-2022-24790 (4)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6YWGIIKL7KKTS3ZOAYMYPC7D6WQ5OA5/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L7NESIBFCNSR3XH7LXDPKVMSUBNUB43G/vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUBFJ44NCKJ34LECZRAP4N5VL6USJSIB/vendor-advisoryx_refsource_FEDORA
IV. Related Vulnerabilities
Same product: puma
- CVE-2026-47736
Puma PROXY Protocol v1 Parser Allows Remote Memory Exhaustio - CVE-2026-47737
Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on - CVE-2024-45614
Header normalization allows for client to clobber proxy set - CVE-2024-21647
HTTP Request/Response Smuggling in puma - CVE-2023-40175
Inconsistent Interpretation of HTTP Requests in puma
Same vendor: puma
- CVE-2026-47736
Puma PROXY Protocol v1 Parser Allows Remote Memory Exhaustio - CVE-2026-47737
Puma PROXY Protocol v1 Accepts Repeated Protocol Headers on - CVE-2024-45614
Header normalization allows for client to clobber proxy set - CVE-2024-21647
HTTP Request/Response Smuggling in puma - CVE-2023-40175
Inconsistent Interpretation of HTTP Requests in puma
Same weakness: CWE-444
- CVE-2026-58047
cPanel HTTP请求走私漏洞致凭证泄露 - CVE-2026-16728
undici vulnerable to downstream response desynchronization v - CVE-2026-59898
Netty: WebSockets V07/V08 handshaker missing Connection/Upgr - CVE-2026-59900
Netty codec-http2: Lack of Host Header Deduplication in HTTP - CVE-2026-58155
Apache Traffic Server: Header-name length truncation enables
V. Comments for CVE-2022-24790
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