![]() ![]() ![]() Ĭomex was hired by Apple as an intern in August of 2011. Ĭomex received a Pwnie Award at the Black Hat Conference in 2011 for "Best Client-Side Bug" for this work. On July 15, 2011, Apple released iOS 4.3.4 (GSM) and 4.2.9 (CDMA) to patch the flaws used by JailbreakMe. ![]() After tapping "INSTALL", Safari would close, Cydia would load as a new app, and the device would be jailbroken with no reboot necessary. It included a blue button indicating "FREE", which changed into a green "INSTALL" button when pressed once, much like an application on the App Store. The JailbreakMe website looked similar to downloading an App Store app. Comex said on Twitter that this put him on a "time limit" to release the final version quickly. Ī few days before the initial release, a beta tester leaked JailbreakMe 3.0 to the public. Comex also released a patch for this FreeType flaw, named PDF Patcher 2, which is available as a free package installable via Cydia. JailbreakMe 3.0 exploited a FreeType parser security flaw (similar to JailbreakMe 2.0), using the form of a PDF file rendered by Mobile Safari, which then used a kernel vulnerability to complete the untethered jailbreak. It was the first publicly available jailbreak for iPad 2. JailbreakMe 3.0 "Saffron", released on July 6, 2011, will jailbreak most iOS devices on iOS 4.3-4.3.3 and iPad 2 on 4.3.3. The vulnerability used by JailbreakMe 2.0 was patched by Apple in iOS 4.0.2. This jailbreak was activated by visiting the web page on the device's Safari web browser. 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. JailbreakMe 2.0 "Star", released by comex on August 1, 2010, exploited a vulnerability in the FreeType library used while rendering PDF files. This tool, also called "AppSnapp", was created by a group of nine developers. The vulnerability used in this exploit was patched by Apple in the 1.1.2 firmware. Using a TIFF exploit against Safari, it installed Installer.app. JailbreakMe, started in 2007, was originally used to jailbreak the iPhone and iPod Touch running the 1.1.1 version of iOS, then named iPhone OS. JailbreakMe 3.0 has been used to jailbreak at least two million devices. JailbreakMe's first version in 2007 worked on iPhone and iPod Touch firmware 1.1.1, the second version was released in August 2010 for firmware 4.0.1 and earlier, and the third and final version was released in July 2011 for iOS versions 4.3 to 4.3.3 (and was the first jailbreak for the iPad 2). Although it does not support modern devices, it can still be used and the site is up. JailbreakMe included Cydia, a package management interface that serves as an alternative to the App Store. 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, 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. ![]()
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