Trigon: Exploiting coprocessors for fun and for profit (part 2)
A few months ago, I released a kernel exploit called Trigon. It was significant in that it was deterministic - that is, it cannot fail. However, at the time of release, only A10 devices on iOS 13 - 15 were supported. Since then, support has been implemented for A9(X) and A11 devices. In this blog post, I am going to dive into what it took to support these new devices - I made use of some pretty interesting techniques, which I believe are worthy of a second part to the original writeup. If you h