Dev-Team codes untethered jailbreaks for iOS 4.3.1

  • The iOS Dev-Team has coded two utilities that provide an untethered jailbreak for the latest iteration (iOS 4.3.1 ) of Apple's mobile operating system.

    The tools - PwnageTool 4.3 and redsn0w 0.9.6rc9 - are currently available for a number of Apple devices, including:

    • iPhone3GS
    • iPhone4 (GSM)
    • iPod touch 3G
    • iPod touch 4G
    • iPad1
    • AppleTV 2G (PwnageTool only)

    Unfortunately, the untethered cracks aren't compatible with the iPad 2, as the tablet requires a bootrom or iBoot-level exploit to install - and the device isn't susceptible to either the limera1n or SHAtter bootrom exploits.

    The 4.3.1 untether exploit was coded by Stefan Esser (@i0n1c on twitter), a security researcher based in Germany.

    "Stefan has a long history of vulnerability research, and ironically his first contribution to the iPhone jailbreak community was improved security - last year he beat Apple to the punch and implemented ASLR for jailbroken iPhones with his 'antid0te' framework," a Dev-Team blog post explained.

    "We're happy to see that Stefan then turned his iPhone attention over to an untethered jailbreak exploit!"

    Redsn0w for OS X can be download here, for Windows here and PwnageTool here.

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