Vulnerability 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."
References
- 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/d88321da45dcd230ac2b4585cad4833
FAQ
What is CVE-2024-47220?
CVE-2024-47220 is a documented vulnerability. 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...
How severe is CVE-2024-47220?
CVSS scoring is not yet available for CVE-2024-47220. Check NVD for updates.
Is there a patch for CVE-2024-47220?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.