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CVE-2022-24790

Status Candidate

Overview

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.

Related Files

Gentoo Linux Security Advisory 202208-28
Posted Aug 15, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202208-28 - Multiple vulnerabilities have been discovered in Puma, the worst of which could result in denial of service. Versions less than 5.6.4 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2021-29509, CVE-2021-41136, CVE-2022-23634, CVE-2022-24790
SHA-256 | 51d80202b17d26e770c6b888e4b18d99137d5db35b0f58a3e0afac846b11ae46
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