CVE-2024-1135 – HTTP Request Smuggling in benoitc/gunicorn

https://notcve.org/view.php?id=CVE-2024-1135

16 Apr 2024 — Gunicorn fails to properly validate Transfer-Encoding headers, leading to HTTP Request Smuggling (HRS) vulnerabilities. By crafting requests with conflicting Transfer-Encoding headers, attackers can bypass security restrictions and access restricted endpoints. This issue is due to Gunicorn's handling of Transfer-Encoding headers, where it incorrectly processes requests with multiple, conflicting Transfer-Encoding headers, treating them as chunked regardless of the final encoding specified. This vulnerabilit... • https://huntr.com/bounties/22158e34-cfd5-41ad-97e0-a780773d96c1 • CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') •