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Use of an insecure Bluetooth connection

使用不安全的蓝牙连接

描述

该应用程序使用了不安全的蓝牙连接，且已关闭加密。处于连接设备物理附近的攻击者可以使用中间人攻击来拦截和/或修改传输的数据。

建议

建议您使用安全的蓝牙连接和信息交换方式，这可以通过 createRfcommSocketToServiceRecord 和 listenUsingRfcommWithServiceRecord 来实现，它们允许对套接字连接进行加密，从而缓解中间人攻击的风险。

import java.io.IOException;
import java.util.UUID;
import javax.bluetooth.*;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;

public class BluetoothClient {

    private static final String SERVER_MAC_ADDRESS = "00:11:22:33:44:55"; // 替换为您的服务器的 MAC 地址
    private static final UUID SERIAL_UUID = new UUID(0x1101);

    public static void main(String[] args) {
        try {
            // 发现并连接到服务器设备
            LocalDevice localDevice = LocalDevice.getLocalDevice();
            DiscoveryAgent discoveryAgent = localDevice.getDiscoveryAgent();
            RemoteDevice remoteDevice = discoveryAgent.getRemoteDevice(SERVER_MAC_ADDRESS);
            String url = "btspp://" + SERVER_MAC_ADDRESS + ":" + SERIAL_UUID + ";authenticate=false;encrypt=false;master=false";
            StreamConnection streamConnection = (StreamConnection) Connector.open(url);

            // 连接成功，您现在可以通过 streamConnection 读写数据

            // 完成后关闭连接
            streamConnection.close();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (BluetoothStateException e) {
            e.printStackTrace();
        }
    }
}

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.bluetooth.*;
import javax.microedition.io.Connector;
import javax.microedition.io.StreamConnection;
import javax.microedition.io.StreamConnectionNotifier;

public class BluetoothServer {

    private static final UUID SERIAL_UUID = new UUID(0x1101);
    private static final String SERVER_NAME = "BluetoothServer";

    public static void main(String[] args) {
        try {
            // 创建蓝牙服务器
            LocalDevice localDevice = LocalDevice.getLocalDevice();
            localDevice.setDiscoverable(DiscoveryAgent.GIAC);

            // 创建服务器连接并开始监听
            String url = "btspp://localhost:" + SERIAL_UUID + ";name=" + SERVER_NAME;
            StreamConnectionNotifier connectionNotifier = (StreamConnectionNotifier) Connector.open(url);

            System.out.println("服务器已启动。等待客户端连接...");

            // 监听传入的连接
            while (true) {
                StreamConnection connection = connectionNotifier.acceptAndOpen();

                // 在单独的线程中处理客户端连接
                Thread clientThread = new Thread(new ClientHandler(connection));
                clientThread.start();
            }
        } catch (IOException e) {
            e.printStackTrace();
        } catch (BluetoothStateException e) {
            e.printStackTrace();
        }
    }

    // 用于处理客户端连接的 Runnable 类
    static class ClientHandler implements Runnable {
        private StreamConnection connection;

        public ClientHandler(StreamConnection connection) {
            this.connection = connection;
        }

        @Override
        public void run() {
            try {
                System.out.println("客户端已连接: " + connection);

                // 获取用于通信的输入和输出流
                InputStream inputStream = connection.openInputStream();
                OutputStream outputStream = connection.openOutputStream();

                // 与客户端进行通信，例如读写数据

                // 完成后关闭连接
                inputStream.close();
                outputStream.close();
                connection.close();

                System.out.println("客户端已断开连接: " + connection);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

链接

标准

  • OWASP_MASVS_L1:
    • MSTG_NETWORK_1
  • OWASP_MASVS_L2:
    • MSTG_NETWORK_1
  • GDPR:
    • ART_5
    • ART_32
  • PCI_STANDARDS:
    • REQ_2_2
    • REQ_4_2
    • REQ_6_2
  • OWASP_MASVS_v2_1:
    • MASVS_NETWORK_1
  • SOC2_CONTROLS:
    • CC_2_1
    • CC_4_1
    • CC_6_7
    • CC_7_1
    • CC_7_2
    • CC_7_4
    • CC_7_5
  • CNIL_FOR_DEVELOPERS:
    • DEVELOPERS_4_1_1
  • HIPAA_CONTROLS:
    • SECURITY252
    • SECURITY212
    • SECURITY213