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iOS jailbreaking is the use of a privilege escalation exploit to remove software restrictions imposed by Apple on devices running iOS and iOS-based [a] operating systems. It is typically done through a series of kernel patches .
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.
Cydia is a graphical user interface of APT for iOS.It enables a user to find and install software unauthorized by Apple on jailbroken iPhones, iPads and iPod Touch devices. It also refers to the digital distribution platform for software on iOS accessed through Cydia software. [2]
In computer security, jailbreaking is defined as the act of removing limitations that a vendor attempted to hard-code into its software or services. [2] A common example is the use of toolsets to break out of a chroot or jail in UNIX-like operating systems [ 3 ] or bypassing digital rights management (DRM).
However, these are different concepts: jailbreaking is the bypass of several types of Apple prohibitions for the end user, including modifying the operating system (enforced by a "locked bootloader"), installing non-officially approved (not available on the App Store) applications via sideloading, and granting the user elevated administration ...
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]
greenpois0n is a name shared by a series of iOS jailbreaking tools developed by Chronic Dev Team (sometimes called the greenpois0n team [4]) that use exploits to remove software restrictions on iPhones, iPads, iPod Touches, and Apple TVs.
Pangu8 or Pangu Jailbreak for iOS 8.0 - 8.1 is a free iOS 8 jailbreak tool from the Pangu Team. It was first released on October 22, 2014 UTC+08:00 . The tool is compatible with all devices capable of running iOS 8 (iPhone 6, iPhone 6 Plus, iPad mini 3, and iPad Air 2), and is currently available in both Chinese and English.