CVE-2024-47220

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."

Predictions

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

References

• https://github.com/advisories/GHSA-6f62-3596-g6w7
• https://www.suse.com/security/cve/CVE-2024-47220.html
• https://nvd.nist.gov/vuln/detail/CVE-2024-47220
• https://github.com/ruby/webrick/issues/145
• https://github.com/ruby/webrick/issues/145#issuecomment-2369994610
• https://github.com/ruby/webrick/issues/145#issuecomment-2372838285
• https://github.com/ruby/webrick/pull/146/commits/d88321da45dcd230ac2b4585cad4833d6d5e8841
• https://github.com/ruby/webrick/commit/f5faca9222541591e1a7c3c97552ebb0c92733c7
• https://github.com/ruby/webrick
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/webrick/CVE-2024-47220.yml
• https://security-tracker.debian.org/tracker/CVE-2024-47220