Attacking Titan M with Only One Byte

Following our presentation at Black Hat USA, in this blog post we provide some details on CVE-2022-20233, the latest vulnerability we found on Titan M, and how we exploited it to obtain code execution on the chip. Introduction During the last year and a half, we (Damiano Melotti, Maxime Rossi Bellom & Philippe Teuwen) studied the Titan M, a security chip introduced by Google in their Pixel smartph