The only complete and assured fix for CVE-2023-41419 is upgrading the gevent library to version or later. This version includes the security patches that close the privilege escalation vector within the WSGIServer component.
: Never use wsgiref.simple_server in production. Switch to a hardened, production-grade WSGI server like Gunicorn or uWSGI . wsgiserver 0.2 cpython 3.10.4 exploit
diff --git a/wsgiserver.py b/wsgiserver.py index 123456..789012 100644 --- a/wsgiserver.py +++ b/wsgiserver.py @@ -123,6 +123,7 @@ def handle_request(self): def handle_input(self, data): # Handle input data + data = data[:1024] # prevent buffer overflow # ... The only complete and assured fix for CVE-2023-41419
The exploit uses a combination of techniques, including: Switch to a hardened, production-grade WSGI server like
If you are analyzing a system for this vulnerability, I can help you with specific steps to secure a Django application. AI responses may include mistakes. Learn more nisdn/CVE-2021-40978 - GitHub
When a web server returns the header Server: WSGIServer/0.2 CPython/3.10.4 , it reveals that the application is running on using a basic WSGI (Web Server Gateway Interface) server. In many cases, this specific version combination is associated with MkDocs 1.2.2 or older versions of Django used for local development. Key Vulnerabilities 1. Directory Traversal (CVE-2021-40978)
curl http:// :8000/%2e%2e/%2e%2e/%2e%2e/%2e%2e/%2e%2e/etc/passwd Use code with caution. Copied to clipboard