iPhone 4 on iOS 4.2.1 Hacked through Bug in Safari by Hacker @0xcharlie, 4.3.1 Update Coming Soon

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On the second day of the pwn2own competition in Vancouver B.C., Canada – hacker Charlie Miller aka @0xcharlie hacked the iPhone 4 through an exploit in iOS 4.2.1.

@0xcharlie was the same hacker who managed to steal contacts from the iPhone’s phone book through a bug in Safari. He bypassed the iPhone’s DEP (Data Execution Prevention) to gain access to a users contacts, but only after the Safari browser crashed once.

The iPhone 4 was running iOS 4.2.1, but @0xcharlie said the exploit is also present in iOS 4.3. Apple has added ASLR (Address Space Layout Randomization) to the latest firmware update, which makes the firmware a bit more complicated to hack. It was not mentioned what kind of harm does the exploit bring.

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Apple has received the exploit information so that means they may release iOS 4.3.1 anytime soon.

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