Unpatchable AMD Chip Flaw Unlocks Paid Tesla Feature Upgrade

Brandon Hill, *Tom's Hardware*, 3 Aug 2023

Security researchers at Germany's Technical University of Berlin have
cracked modern Tesla vehicles' Media Control Unit (MCU) to access paid
features through an unpatchable flaw in the MCU-controlling AMD
processor. The researchers said they launched a voltage fault injection
attack against the third-generation MCU-Z's Platform Security Processor,
allowing the decryption of objects stored in the Trusted Platform
Module. They explained, "Our gained root permissions enable arbitrary
changes to Linux that survive reboots and …

access amd attack berlin chip control cracked feature features flaw germany hardware injection injection attack media paid processor researchers security security researchers technical tesla third university upgrade vehicles voltage