Putting in Ubuntu On An Previous Google Nest Hub
The dangerous information for these wanting to do this course of is that Google discovered and patched the vulnerability used to bypass the safe boot on the Google Nest Hub, so chances are high you will be unable to change your system. Then again, the method is so properly documented it’s value a glance simply to be taught extra about how this kind of factor is achieved. They focus on not solely the vulnerability but additionally what they had been searching for on the {hardware} that allowed them to leverage it.
It begins with a have a look at the insides of the Google Nest Hub, to look at the charger and USB daughterboard pin-out to discover a solution to interface with the board. Their examination revealed a UART port they may use to attach and ship quite a lot of malformed information to see if they may discover attainable flaws within the chip or board. Their fuzzing assault revealed a buffer overflow flaw, which was all the data they wanted to have the ability to construct some {hardware} to leverage the vulnerability and bypass the safe boot loader.
In case you are within the full particulars of what they did, how they did it and what they used to perform it, try the put up at Hackaday.
