{"id":3049,"date":"2011-02-16T10:58:34","date_gmt":"2011-02-16T10:58:34","guid":{"rendered":"https:\/\/www.darknet.org.uk\/?p=3049"},"modified":"2015-09-09T19:37:18","modified_gmt":"2015-09-09T11:37:18","slug":"apple-adds-greenpois0n-jailbreak-detection-to-ibooks-software","status":"publish","type":"post","link":"https:\/\/www.darknet.org.uk\/2011\/02\/apple-adds-greenpois0n-jailbreak-detection-to-ibooks-software\/","title":{"rendered":"Apple Adds greenpois0n Jailbreak Detection to iBooks Software"},"content":{"rendered":"

Apple<\/a> has pulled out some new tricks in it’s war against the unstoppable jailbreak<\/a> machine, this time leveraging on the iBooks application.<\/p>\n

It’s quite a neat implementation, it appears the new iOS update with iBooks dropped an un-signed application on the phone and tries to run it – if it executes it assumes the device is jailbroken and throws and error. This is true even for legitimate content you’ve purchased from iTunes..<\/p>\n

Apple has opened a new chapter in its campaign against hackers with a feature that prevents jailbroken iDevices from accessing iBooks.<\/p>\n

According to the Social Apples blog, iPhones and iPads running the latest iOS firmware contain a \u201cjailbreak check\u201d that automatically detects when the devices have been unlocked using the greenpois0n jailbreak kit. Jailbroken devices that attempt to load content using the iBooks application \u2013 even legally acquired e-books \u2013 display an error message that reads: \u201cThere is a problem with the configuration of your iPhone. Please restore with iTunes and reinstall iBooks.\u201d<\/p>\n

\u201cComex,\u201d a hacker with the iPhone Dev Team, said in a Twitter post that \u201ciBooks drops an improperly signed binary, tries to execute it, and if it works concludes that the device is jailbroken and refuses to open the book.\u201d<\/p><\/blockquote>\n

Apple are in a tough spot as the courts have already ruled that jailbreaking your own iPhone is legal<\/a> so they can’t try and get the coders behind the jailbreaks arrested\/sued\/disrupted – like Sony did in the recent Geohot case<\/a>.<\/p>\n

It’ll be interesting to see if they take this technique any further and use it to disable the whole phone? Perhaps they legally can’t do that, but they can disable access to iTunes\/iBooks and so on. Either way I’m pretty sure there are a bunch of hackers out there right now working on a way to crack it.<\/p>\n