Wednesday, November 30, 2022
HomeTeslaHacking a Tesla via Bluetooth costs less than €20, the proof

Hacking a Tesla via Bluetooth costs less than €20, the proof

Stealing a Tesla only costs $20. More secure than the physical key, the Bluetooth key is even easier to hack.

Sultan Qasim Khan strikes again. This cybersecurity researcher at NCC Group spoke in a Donut Media video. They were looking for a method to hack a Tesla. Sultan Qasim Khan exhibited his a few months ago. If the result was visual, we had no more information on the device used.

Hacking a Tesla ©Donut Media

$20 to open and start a Tesla

He explains today that the system he uses is accessible to everyone. “I used freeware, all-in-one hardware, I mean you can build a relay attack device for $10.”

“I used freeware, all-in-one hardware, I mean you can build a relay attack device for $10”

Sultan Qasim Khan

What is the relay attack?

For those who don’t know the process, the relay attack creates a bridge between the key and the car it must open. Its purpose is to trick the car into thinking the key is closer than it really is.

We already knew this type of attack for car keys, those that unlock the vehicle when they are nearby. A hacker is standing next to a house where the key is, his sidekick is next to the vehicle. Via a double device, the unlocking frequency of the key is sent to the car remotely, thanks to the relay.

Bluetooth does not save cars from hacking

But now, manufacturers are increasingly offering a key on the driver’s smartphone. It is he who becomes the sesame to enter the vehicle and start it. The principle of proximity remains the same, but hacking is more difficult. As Sultan Qasim Khan explains, “bluetooth changes frequency all the time, more complex in managing frequency jumps and changes of direction. »

And yet, Sultan Qasim Khan manages just as easily to hack a Tesla via the smartphone of its owner. His installation has two electronic cards connected to PCs: one that boosts the signal from the key near the smartphone to send it to the other next to the car. The code runs and the car opens. Better yet, it starts!

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