If you suspend your transcription on amara.org, please add a timestamp below to indicate how far you progressed! This will help others to resume your work!
Please do not press “publish” on amara.org to save your progress, use “save draft” instead. Only press “publish” when you're done with quality control.
This talk is about achieving unsigned code execution at boot on iOS 11 and using that to jailbreak the device, commonly known as "untethering". This used to be the norm for jailbreaks until iOS 9.1 (Pangu FuXi Qin - October 2015), but hasn't been publicly done since. I will unveil a yet unfixed vulnerability in the config file parser of a daemon process, and couple that with a kernel 1day for full system pwnage. I will run you through how either bug can be exploited, what challenges we faced along the way, and about the feasibility of building a kernel exploit entirely in ROP in this day and age, on one of the most secure platforms there are.