The lack of a jailbreak and the shutting down of Cydia repositories seems to have convinced many people that iPhone jailbreaking is dead. But we finally have some ray of hope.
Ian Beer, a security researcher in Google’s Project Zero team has revealed via a tweet that he plans to release part 1 of the tfp0 exploit for Apple’s iOS devices running iOS 11.1.2 and below.
If you're interested in bootstrapping iOS 11 kernel security research keep a research-only device on iOS 11.1.2 or below. Part I (tfp0) release soon.
— Ian Beer (@i41nbeer) December 5, 2017
tfp0 exploit in layman terms is considered 80 percent of a jailbreak with read/write privileges for the kernel. You still need a kernel patch protection bypass (kppp) which well-known hacker Luca Todesco believes is possible iOS 10.3 onwards as Apple can’t fix the core issue. Interesting it was Ian Beer exploit that had lead to the first iOS 10 jailbreak last Christmas.
Twitter user Jonathan Levin clarifies:
While the discovery of tfp0 exploit is great news, someone still needs to develop a GUI-based user-friendly jailbreak tool, so I wouldn’t get too excited just yet.
If you’re interested in a jailbreak, then you may want to upgrade or downgrade to iOS 11.1.2 as soon as possible as Apple is still signing the iOS 11.1.2 firmware file. Apple could stop signing iOS 11.1.2 any time as iOS 11.2 was released last Friday.
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