A CAN bus risk detection method and device

Abstract

The present invention provides a CAN bus risk detection method and device. The method is applied to a device connected to a CAN bus interface of a target vehicle, including: receiving the vehicle model information of the target vehicle input by the user, and checking the vehicle model information of various types stored in advance. Find the private protocol corresponding to the vehicle model input by the user in the private protocol; receive the new task request input by the user, and establish a new detection task according to the private protocol corresponding to the vehicle model input by the user, the detection type and detection target carried in the new task request; receive the start During the command of the detection task, construct a data frame based on the detection task, send the constructed data frame to the CAN bus system of the target vehicle through the CAN bus interface of the target vehicle; receive the response information returned by the CAN bus system of the target vehicle, according to The response information generates a test report and outputs it. The invention can detect the safety risk existing in the CAN bus system of the vehicle.

Description

technical field [0001] The invention relates to the technical field of information security, in particular to a controller area network (Controller Area Network, CAN) bus risk detection method and device. Background technique [0002] In recent years, hackers at home and abroad have successfully cracked a variety of car models through wireless and wired intrusions. The attacker can control the vehicle system or electronic control unit by invading 3G / 4G, Wi-Fi, Bluetooth, radio frequency and other wireless networks, and can also invade the vehicle's CAN bus system through the vehicle's CAN bus access. [0003] Whether it is a wired or wireless attack, it is through reading and writing frame data on the CAN bus to obtain vehicle information, realize remote control of the vehicle, and even destroy the availability of the vehicle, seriously threatening the safety of the owner's life and property. Contents of the invention [0004] In view of this, the purpose of the present i...

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Problems solved by technology

[0003] Whether it is a wired or wireless attack, it is through reading and writing frame data on the CAN bus to obtain vehicle information, realize remote control of the vehicle, and even destroy the availability of the vehicle, seriously threatening the safety of the owner's life and property.

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