Car hacking demos like last month’s over-the-internet hijacking of a Jeep have shown it’s possible for digital attackers to cross the gap between a car’s cellular-connected infotainment system and its steering and brakes. But a new piece of research suggests there may be an even easier way for hackers to wirelessly access those critical driving functions: Through an entire industry of potentially insecure, internet-enabled gadgets plugged directly into cars’ most sensitive guts.
At the Usenix security conference today, a group of researchers from the University of California at San Diego plan to reveal a technique they could have used to wirelessly hack into any of thousands of vehicles through a tiny commercial device: A 2-inch-square gadget that’s designed to be plugged into cars’ and trucks’ dashboards and used by insurance firms and trucking fleets to monitor vehicles’ location, speed and efficiency. By sending carefully crafted SMS messages to one of those cheap dongles connected to the dashboard of a Corvette, the researchers were able to transmit commands to the car’s CAN bus—the internal network that controls its physical driving components—turning on the Corvette’s windshield wipers and even enabling or disabling its brakes
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