A fully functional jailbreak has been released for the latest iOS 12.4 on the Internet, making it the first public jailbreak in a long time.
Dubbed “uncover 3.5.0,” the jailbreak works with the updated iPhones, iPads and iPod Touches by leveraging a vulnerability that Apple previously patched in iOS 12.3 but unwittingly reintroduced in the latest iOS version 12.4.
Jailbreaking an iPhone allows you to install apps and other functions that are usually not tried by Apple, but it moreover disables some system protections that Apple put in place to protect its users, opening you up to potential attacks.
Usually, iPhone Jailbreaks are sold for millions of dollars by exploit brokers, but if you want to jailbreak your Apple device, you can do it for free.
An unrecognized researcher who goes by the online plume “Pwn20wnd” has released a self-ruling jailbreak for iOS 12.4 on GitHub that exploits a use-after-free vulnerability in iOS kernel responsibly reported to Apple older this year by Ned Williamson, a researcher working with Google Project Zero.
The vulnerability, tracked as CVE-2019-8605, allows an using to execute wrong-headed lawmaking with system privileges on a target Apple device, which can not only be used to jailbreak them but moreover leaves users vulnerable to hackers.
According to researchers, besides embedding the exploit into an innocent-looking app, the vulnerability can moreover be venal remotely by combining it with sandbox shirk flaws in Apple Safari web browser or other Internet exposed services.
Several Apple users have taken to Twitter, claiming they used the Pwn20wnd jailbreak tool to successfully jailbreak their Apple devices, including the recent iPhone X and iPhone XR, and posting screenshots of their iPhone screens with unapproved app installations.
Since Apple doesn’t allow users to downgrade their operating system, users who have already upgraded their Apple devices to the latest version of iOS released late last month are left with no option other than waiting for an update from Apple.
Likely, Apple is already working on a patch to re-implement its earlier patch that will be released with iOS 12.4.1. Meanwhile, you should also beware of apps you download from the App Store until a patch releases.
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