A bevy of different iOS 12-centric kernel exploits have been released in the last several weeks, and while we don’t yet have a full-blown, Cydia-supported iOS 12 jailbreak, that’s not to say progress isn’t being made in producing one.
Jailbreak developer and unc0ver co-creator Sam Bingner shared a small teaser via Twitter on Tuesday of what appears to be a functional Cydia app running on iOS 12; but don’t be fooled, there’s still more work to be done:
“Well minimal stuff works,” Bingner explained in the Tweet. “Still need to do a lot, but I have a shell; Cydia works and Substrate mostly works. Don’t hold your breath, but it’s progressing.”
Hacker and unc0ver lead developer Pwn20wnd followed up on the matter in a comment posted on /r/jailbreak:
“For what it’s worth, we need to clean up the CoreTrust workarounds and fix the sandbox patches,” he said. “Till then, it will be private. But I am looking forward to pushing a public beta once it is ready for a public beta.”
The unc0ver v3.0.0 pre-release has at least partially supported iOS 12 on specific devices for a little over a week thanks to the help of Brandon Azad’s voucher_swap exploit. A rootfs remount released over the weekend pushed this development a little further, but work on a CoreTrust bypass and getting other dependencies ready for iOS 12 continues.
Although we aren’t sure when a full-fledged iOS 12 jailbreak might drop, it certainly seems evident that one could materialize in the near future. If you didn’t downgrade to iOS 12.1.1 or 12.1.2 before Apple stopped signing them, then you can still downgrade to iOS 12.1.1 beta 3. We’d advise doing so while you still can.
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