Apr 6, 2018

Apple Stopped Signing iOS 11.2.6, But A Zero Day Exploit Found In iOS 11.3 May Lead to A Jailbreak

Apple has just stopped signing iOS 11.2.6, meaning it is no longer possible to downgrade an iPhone, iPad, or iPod touch to software versions older than latest iOS 11.3 update. However, A zero day exploit has been discovered in iOS 11.3 that could helpful in developing a jailbreak for it.

When Apple stops signing a particular firmware, it essentially means that iTunes won’t allow you to restore it anymore. Instead, you are then prompted to update to the latest available firmware. In this case, that's iOS 11.3, an update that introduces several new feature like Business Chat and "Battery Health".


On the other hand, as we stated earlier, a zero day exploit was found in iOS 11.3, revealed Alibaba's Zheng, who's the Senior Security Engineer for the company said on his Twitter. Current iOS 11.1.2 jailbreak is based on a zero day exploit that eventually made to the public by Google Project Zero’s Ian Beer.

We are not clear if Alibaba will release the expolit to the public, but it's unlikely because the Chinese company previously demoed an iOS 11.2.1 jailbreak without releasing it. Still, if Alibaba refused to give it to jailbreak developers, there is a big chance that the exploit will be found by others. We will keep eyes on it.

Image Via BitFeed

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