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This has been moved tothe display coprocessor (DCP) starting from 15, at least on iPhone 12 (and most probably other ones as well)

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So, another IOMFB vulnerability was exploited ITW (15.0.2). I bindiffed the patch and built a POC. And, because it's a great bug, I just finished writing a short blogpost with the tech details, to share this knowledge :) Check it out! saaramar.github.io/IOMFB_integer_

7:35 PM · Oct 11, 2021

Replying to

Definitely possible :) As I wrote, I only tested it on iPhone X (physical device) and iPhone 11 Pro (virtual device), 14.7.1-15.0.1. I didn't check iPhone 12 :)

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AppleCLCD -> AppleCLCD2 = Apple DCP CoProcessor Exploitation on a14/a15

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