Security Exploit in iOS 12.1.2 on iPhone XS Discovered

Minimalist · Jan 21, 2019

A security vulnerability in iOS 12.1.2 has been discovered by two researchers, and they affect all new-generation iPhones, like iPhone XS, iPhone XS Max, and iPhone XR.
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https://news.softpedia.com/news/security-exploit-in-ios-12-1-2-on-iphone-xs-discovered-524621.shtml

Minimalist · Feb 1, 2019

Examining Pointer Authentication on the iPhone XS

n this post I examine Apple's implementation of Pointer Authentication on the A12 SoC used in the iPhone XS, with a focus on how Apple has improved over the ARM standard. I then demonstrate a way to use an arbitrary kernel read/write primitive to forge kernel PAC signatures for the A keys, which is sufficient to execute arbitrary code in the kernel using JOP. The technique I discovered was (mostly) fixed in iOS 12.1.3. In fact, this fix first appeared in the 16D5032a beta while my research was still ongoing.
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https://googleprojectzero.blogspot.com/2019/02/examining-pointer-authentication-on.html

Minimalist · Feb 15, 2019

Fact or fiction: Hyphens break iPhones

“Use voice input on your iPhone, say ‘hyphen’ five times, and see what happens,” says a friendly message from someone you know.

On the one hand, it might be tempting to try it and see if anything actually happens. Why else would anyone tell you to do such a weird thing?
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https://www.kaspersky.com/blog/iphone-hyphen/

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Security Exploit in iOS 12.1.2 on iPhone XS Discovered

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Security Exploit in iOS 12.1.2 on iPhone XS Discovered

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