Wsgiserver - 02 Cpython 3104 Exploit

Migrate immediately from any self‑named wsgiserver to cheroot , waitress , or gunicorn . Update to the latest Python 3.10 patch (e.g., 3.10.15+), or better, move to Python 3.11/3.12 with modern security features.

Normalize paths using os.path.abspath or urllib.parse.unquote and check that the final path is within the intended directory. 4. Memory Corruption via Malformed Headers CPython 3.10.4 has hardened memory management, but C extensions used by certain WSGI servers (e.g., uWSGI’s C core) have had buffer overflows in the past. A specially crafted HTTP header with an overly long value might trigger undefined behavior. wsgiserver 02 cpython 3104 exploit

Sending a request with both Content-Length and Transfer-Encoding: chunked in a specific order could cause the older wsgiserver to treat the message differently than a reverse proxy. wsgiserver 02 cpython 3104 exploit