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CVE-2023-40175

Status Candidate

Overview

Puma is a Ruby/Rack web server built for parallelism. Prior to versions 6.3.1 and 5.6.7, puma exhibited incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers in a way that allowed HTTP request smuggling. Severity of this issue is highly dependent on the nature of the web site using puma is. This could be caused by either incorrect parsing of trailing fields in chunked transfer encoding bodies or by parsing of blank/zero-length Content-Length headers. Both issues have been addressed and this vulnerability has been fixed in versions 6.3.1 and 5.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Related Files

Ubuntu Security Notice USN-6682-1
Posted Mar 8, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6682-1 - ZeddYu Lu discovered that Puma incorrectly handled parsing certain headers. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue only affected Ubuntu 20.04 LTS. It was discovered that Puma incorrectly handled parsing certain headers. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue only affected Ubuntu 20.04 LTS.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2020-11076, CVE-2020-11077, CVE-2022-23634, CVE-2022-24790, CVE-2023-40175, CVE-2024-21647
SHA-256 | 17369ac09ff469d577917f6a11d6b237c679de121e53f191d4d051615739e955
Download | Favorite | View
Ubuntu Security Notice USN-6399-1
Posted Sep 27, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6399-1 - It was discovered that Puma incorrectly handled parsing certain headers. A remote attacker could possibly use this issue to perform an HTTP request Smuggling attack.

tags | advisory, remote, web
systems | linux, ubuntu
advisories | CVE-2023-40175
SHA-256 | 95522cf54b015802183133101cb54cb3a750d70263f84472aaa0bb06bd499190
Download | Favorite | View
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