ADVISORIES

• CVE-2024-47220 (NVD)
• GHSA-6f62-3596-g6w7

GEM

webrick

SEVERITY

CVSS v3.x: 7.5 (High)

PATCHED VERSIONS

• >= 1.8.2

DESCRIPTION

An issue was discovered in the WEBrick toolkit through 1.8.1 for Ruby. It allows HTTP request smuggling by providing both a Content-Length header and a Transfer-Encoding header, e.g., "GET /admin HTTP/1.1\r\n" inside of a "POST /user HTTP/1.1\r\n" request.

NOTE: the supplier''s position is "Webrick should not be used in production."

RELATED

• https://nvd.nist.gov/vuln/detail/CVE-2024-47220
• https://github.com/ruby/webrick/issues/145
• https://github.com/ruby/webrick/pull/146/commits/d88321da45dcd230ac2b4585cad4833d6d5e8841
• https://github.com/ruby/webrick/commit/f5faca9222541591e1a7c3c97552ebb0c92733c7
• https://github.com/advisories/GHSA-6f62-3596-g6w7