Putting it all together: building an iOS jailbreak from scratch | Umang Raghuvanshi | NULLCON 2020
About this talk
This talk explores the complex world of iOS jailbreaks, revealing the process of creating a semi-untethered iOS jailbreak from scratch. The speaker, Umang Raghuvanshi, delves into critical topics such as exploiting a memory corruption vulnerability, overcoming Kernel Address Space Layout Randomisation, evading the iOS sandbox, remounting the root filesystem, and defeating code signing and library validation to inject code into other processes. Additionally, he presents groundbreaking techniques that allow these processes to be accomplished on the latest Apple devices without requiring a bypass of ARMv8.3's Pointer Authentication.
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