iOS 6.1

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evasi0n Jailbreakers reveal the incredibly complicated methods they used to Jailbreak every Apple iOS device

Jordan Kahn Feb 5 2013 - 1:04 pm PT

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Forbes posted an article on Tuesday that gave some updates on the highly successful launch of the evasi0n jailbreak tool straight from its creators. After having officially released the jailbreak yesterday at noon, according to stats from Cydia’s Jay Freeman, around 1.7 million people have decided to jailbreak their iOS device. Perhaps more interesting is a description of how exactly the four members of the evad3rds team were able to get the job done. Team member David Wang, aka @planetbeing, walked through the process with Forbes:

Evasi0n alters the socket that allows programs to communicate with a program called Launch Daemon, abbreviated launchd, a master process that loads first whenever an iOS device boots up and can launch applications that require “root” privileges, a step beyond the control of the OS than users are granted by default. That means that whenever an iPhone or iPad’s mobile backup runs, it automatically grants all programs access to the time zone file and, thanks to the symbolic link trick, access to launchd.

Wang described the entire process from finding the initial exploit in the iOS mobile backup system to accessing Launch Daemon and getting around code signing and restrictions at the kernel layer:

Once it’s beaten ASLR, the jailbreak uses one final bug in iOS’s USB interface that passes an address in the kernel’s memory to a program and “naively expects the user to pass it back unmolested,” according to Wang. That allows evasi0n to write to any part of the kernel it wants. The first place it writes is to the part of the kernel that restricts changes to its code–the hacker equivalent of wishing for more wishes.  ”Once you get into the kernel, no security matters any more,” says Wang. “Then we win.”

Go to Forbes to read Wang’s entire step-by-step description of the jailbreak process for evasi0n.

Here’s another third-party analysis. The verdict is the same: incredible work.

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Evasi0n: First untethered iPhone 5 jailbreak to be released Sunday; all other iOS 6.1 devices too

9to5 Staff Jan 30 2013 - 6:16 pm PT

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Update: It appears that the developers are planning a Monday release because testing took a little longer than previously thought.

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With each new release of an iPhone, jailbreaking becomes just one step more difficult. Throw in constant OS updates, and it’s amazing the hacker community is able to jailbreak it at all. So, it’s no surprise it has taken more than four months for an official jailbreak to be released for the iPhone 5.

On Sunday, that may change. A group of jailbreakers, known as the Evad3rs, plan to release its jailbreak tool: Evasi0n. The website, which claimed the team is “Processing the GUI”, has a very clean and simple layout. If all goes as planned and Evasi0n is released on Sunday, it very well may be the easiest jailbreak tool since JailBreakMe.

Evasi0n is an iOS 6.1 jailbreak said to support the iPhone 5, 4S, 4, 3GS, fourth- and fifth-generation iPod Touch, as well as the iPad mini and third- and fourth-generation iPad. Oh, and it is legal after all.

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Apple quietly releases firmware for a new Apple TV 3,2

Seth Weintraub Jan 28 2013 - 11:03 am PT

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Here’s some incredibly interesting news from today’s iOS  update extravaganza: Apple today released iOS 6.1 (or, in Apple TV talk, 5.2) for an heretofore unknown Apple TV called “Apple TV 3,2”. You can download it here. Apple’s current Apple TV — version 3,1 — was updated to 1080p with a single-core A5 processor in March 2012.

On the conservative side, this may just be a new set of chips cobbled together to do the same thing as the current model. On the optimistic/speculative side, this could foreshadow a new hardware product coming up soon-ish. Perhaps one with a large LCD attached?

Apple’s addition of Bluetooth today could also signal (ha) that a new Apple TV package would have some sort of Bluetooth keyboard/remote-type of functionality (Siri?). There are already a number of Bluetooth keyboards out there that cater to TV users, but Apple could certainly change the game in this regard.

We’re looking into it.

Update 1: We can compare some internal codes here which seem to point to bigger changes happening in Japan.

Update 2: Apple is apparently referring to an Apple TV model dubbed “J33I”, as noted by MacRumors. For comparison purposes, the third-generation Apple TV sported the “J33” codename. So, the “I” could suggest an international variation of the set-top box.

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