How To Jailbreak Iphone, Ipad, And Apple Tv In 2021


At this point, Apple has locked iOS down enough that a full jailbreak—unlocking a device to install whatever you want on it—of current releases is extremely rare. When such a capability does exist, it's usually kept quiet and sold for millions of dollars by exploit brokers. But now, thanks khổng lồ an apparent Apple gaffe, the lademo version of iOS can be jailbroken at this very moment. There's even code lớn vì chưng it on Github.

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As first reported by Motherboard, researchers discovered over the weekkết thúc that in its recent iOS 12.4 release, Apple had accidentally rolled baông chồng a patch that fixed a bug from iOS 12.3. As a result, it's possible lớn exploit the vulnerability lớn jailbreak iOS 12.4, making it the first current-version iOS jailbreak khổng lồ be publicly disclosed in years.

"It’s really a surprise to lớn see," says Will Strafach, a longtime iOS jailbreaker and founder of Sudo Security Group. "It's been so long since an up-to-date firmware could be jailbroken. But now that Apple knows, it won’t be for long. I expect an update within a few days." Apple did not return a request from for comment.

Jailbreaking allows iOS users khổng lồ add apps và other functions that Apple wouldn't normally permit lớn their iPhones. iOS has rigid limitations that are at least partly meant lớn protect users from malicious apps, but that also preserve sầu Apple's control over the ecosystem. As a result, jailbreaking erodes some system protections, but it also allows users to lớn break free from Apple's constraints.

Hacker Pwn20wnd posted a public version of the jailbreak on Monday that iOS users are already using to redesign the look of their iOS trang chủ screens and install unapproved apps. Researchers have sầu warned, though, that jailbreaking potentially makes a device less secure, undermining protections that keep apps from reading each other's data, & opening the iPhone khổng lồ potential attacks. An unscrupulous developer could even add functionality to an App Store-approved tiện ích that would trigger a jailbreak when a user installs it.

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"This is rather inexcusable, as it puts millions of iOS users at risk," says Patrichồng Wardle, principal security researcher at the Mac management firm Jamf. "And the irony, as others have sầu already noted, is that since Apple doesn't allow us to lớn downgrade khổng lồ old versions, we're really kind of sitting ducks."

Suvì chưng Security's Strafach says that in detailed scans of the App Store he hasn't seen any such malicious behavior cropping up so far. But the threat remains, as does the risk that attackers might use other paths lớn compromise devices—tainted third-tiệc nhỏ apps, Apple's enterprise distribution certificates, or other remote exploits.

As a jailbreaking tín đồ, though, Strafach also sees opportunities for exploration và insights that outweigh the risks. And he notes that as iOS has matured, jailbreaks have gotten harder khổng lồ weaponize when they do crop up. But it's still not something to undertake lightly.


"This shows that Apple continues lớn struggle with security—even on iOS which is clearly their priority," Wardle says. "And this was uncovered by an independent security researcher, which illustrates the value such researchers add. Apple's more communicative sầu approach with their new bug bounty program is good, but their attempts to lớn shut down researcher tools like Corellium are bad."

Whether you take the risk of jailbreaking your iPhone today or not, it seems like lately Apple is the one living on the edge.

Update August 26, 2019 2:15pm ET: Apple has re-patched the bug that allowed the jailbreak with iOS 12.4.1 available now.

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Lily Hay Newman is a senior writer at focused on information security, digital privacy, and hacking. She previously worked as a giải pháp công nghệ reporter at Slate magazine và was the staff writer for Future Tense, a publication & project of Slate, the New America Foundation, & Arizona State University. Additionally... Read more
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