HTTP Request Smuggling Affecting puma package, versions <3.12.5 >=4.0.0, <4.3.4
Threat Intelligence
EPSS
0.38% (74th
percentile)
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Test your applications- Snyk ID SNYK-RUBY-PUMA-570205
- published 22 May 2020
- disclosed 22 May 2020
- credit Zeddy Yu
Introduced: 22 May 2020
CVE-2020-11076 Open this link in a new tabHow to fix?
Upgrade puma to version 3.12.5, 4.3.4 or higher.
Overview
puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications. Puma is intended for use in both development and production environments. It's great for highly concurrent Ruby implementations such as Rubinius and JRuby as well as as providing process worker support to support CRuby well.
Affected versions of this package are vulnerable to HTTP Request Smuggling. An attacker could smuggle an HTTP response, by using an invalid transfer-encoding header.
CVSS Scores
version 3.1