It’s officially Sunday October 24th, and as many avid jailbreakers-at-heart have been waiting for, security researcher Linus Henze has made good on a promise to release an untether that supports up to and including iOS & iPadOS 14.5.1 right out of the box despite a minor postponement this week that was intended to resolve a few bugs prior to releasing.
Henze published the untether as a working component of an unfinished jailbreak dubbed Fugu14 on his GitHub page Sunday afternoon. In its current form, Fugu14 isn’t designed to be used by ordinary jailbreakers, but rather to be analyzed by jailbreak developers for what it is: a proof of concept. This distinction effectively makes it a learning experience for any jailbreak developer(s) that plan to incorporate it into existing jailbreak tools for iOS & iPadOS 14.
From what we can gather, the Fugu14 and untether proof of concept are designed for arm64e devices (iPhone XS and newer) running iOS & iPadOS 14.3-14.5.1. The untether can be tweaked to be made useful on iOS & iPadOS 14.0-14.2.1 and on older arm64 devices such as the iPhone X and earlier, however it would necessitate the use of a different kernel exploit on those devices such as cicuta_verosa, for example. Fortunately, all existing jailbreaks have working kernel exploitation at this time, so that shouldn’t be an issue.
As for who plans to take advantage of Henze’s untether, Pwn20wnd has already added preliminary support in the new unc0ver v7.0.0 release, while the Odyssey Team’s own CoolStar has ..
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