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JailbreakMe is a series of jailbreaks for Apple's iOS mobile operating system that took advantage of flaws in the Safari browser on the device, [1] providing an immediate one-step jailbreak, unlike more common jailbreaks, such as Blackra1n and redsn0w, that require plugging the device into a computer and running the jailbreaking software from the desktop.
George Francis Hotz (born October 2, 1989), alias geohot, is an American security hacker, entrepreneur, [1] and software engineer.He is known for developing iOS jailbreaks, [2] [3] reverse engineering the PlayStation 3, and for the subsequent lawsuit brought against him by Sony.
The evasi0n jailbreak first remounts the root file system as read-write and then achieves persistence by editing the /etc/launchd.conf file, which launchd consults. Evasi0n then applies patches in the kernel, bypassing address space layout randomization by triggering a data fault and reconstructing the kernel slide by reading the faulting instruction from the appropriate ARM exception vector. [5]
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In August 2010, comex released JailbreakMe 2.0, the first web-based tool to jailbreak the iPhone 4 (on iOS 4.0.1). [ 53 ] [ 54 ] In July 2011, he released JailbreakMe 3.0, [ 55 ] a web-based tool for jailbreaking all devices on certain versions of iOS 4.3, including the iPad 2 for the first time (on iOS 4.3.3). [ 56 ]
Developers from Chronic Dev Team and iPhone Dev Team released greenpois0n Absinthe (known as just "Absinthe") in January 2012, a desktop-based tool (for OS X, Microsoft Windows, and Linux [30]) to jailbreak the iPhone 4S for the first time and the iPad 2 for the second time, on iOS 5.0.1 for both devices and also iOS 5.0 for iPhone 4S.
EternalBlue [5] is a computer exploit software developed by the U.S. National Security Agency (NSA). [6] It is based on a vulnerability in Microsoft Windows that allowed users to gain access to any number of computers connected to a network.
Jailbreak (computer science), overcoming deliberate limitations in a computer system: iOS jailbreaking , overriding software limitations on the iPhone, iPod Touch, or iPad Hackintosh , Apple's Macintosh operating system macOS running on unauthorized computer hardware