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SHSH blobs are created by a hashing formula that has multiple keys, including the device type, the iOS version being signed, and the device's ECID. [5] [non-primary source needed] When Apple wishes to restrict users' ability to restore their devices to a particular iOS version, Apple can refuse to generate this hash during the restore attempt, and the restore will not be successful (or at ...
iOS jailbreaking. 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. A jailbroken device typically permits root access within the operating system and provides the right ...
iOS version history. iOS is a mobile operating system developed by Apple Inc. and was first released as iPhone OS in June 2007, coinciding with the launch of the first generation iPhone. [1] iPhone OS was renamed iOS following the release of the iPad, starting with iOS 4. [2] With iOS 13, Apple began offering a separate operating system, iPadOS ...
iOS 12 is the twelfth major release of the iOS mobile operating system developed by Apple. Aesthetically similar to its predecessor, iOS 11, it focuses more on performance than on new features, quality improvements and security updates. Announced at the company's Worldwide Developers Conference on June 4, 2018, iOS 12 was released to the public ...
JailbreakMe 2.0 "Star", released by comex on August 1, 2010, exploited a vulnerability in the FreeType library used while rendering PDF files. This was the first publicly available jailbreak for the iPhone 4, able to jailbreak iOS 3.1.2 through 4.0.1 on the iPhone, iPod Touch, and iPad models then current. [7]
A downgrade attack, also called a bidding-down attack, [1] or version rollback attack, is a form of cryptographic attack on a computer system or communications protocol that makes it abandon a high-quality mode of operation (e.g. an encrypted connection) in favor of an older, lower-quality mode of operation (e.g. cleartext) that is typically provided for backward compatibility with older ...
Pangu or Pangu Jailbreak for iOS 7.1 - 7.1.x is a free iOS jailbreaking tool developed by the Pangu Team that is capable of executing jailbreaks on various iOS 7.1 devices (iPod touch, iPhone and iPad) by using various exploits. The tool was first released on 23 June 2014 UTC+08:00 to jailbreak iOS 7.1 on all iOS devices and the new fourth ...
Privilege escalation is the act of exploiting a bug, a design flaw, or a configuration oversight in an operating system or software application to gain elevated access to resources that are normally protected from an application or user. The result is that an application or user with more privileges than intended by the application developer or ...