Tuesday, 23 April, 2019

Hacker Discovers Method to Brute Force Passcode of Any iPhone or iPad

Apple iOS Passcode Crack Revealed by Security Researcher. Watch the Exploit in Action A hacker figured out how to brute force iPhone passcodes
Cecil Davis | 25 June, 2018, 23:20

A security researcher took to his Twitter account on Friday to reveal a bug on iOS devices that can allow passcodes to be bypassed through a brute force attack. Especially when it comes to the preservation and security of data stored on that device.

Apple spokeswoman Michele Wyman told multiple media outlets that the "recent report about a passcode bypass on iPhone was in error, and a result of incorrect testing". "Instead of sending passcodes one at a time and waiting, send them all in one go". Getting around this is actually easy with the use of a brute force attack.

On newer devices, Apple's Secure Enclave takes things to the next level and helps offer an even greater and more intelligent level of protection on the device.

After a day of posting about the brute-force attack, the hacker suggested in a correction to his original claim, that the iPhone's Secure Enclave Processor (SEP) appeared to register less PINs than previously thought, due to instances of pocket dialling and/ or overly fast inputs. However, with Hickey's discovery, a would-be hacker would simply need an up to date iPhone and a Lightning cable. This, according to the expert, meant that sending a bunch of passcodes at once could bypass the erase feature. An attacker could create a massive string of inputs and send them all at once and iOS would allow an endless string of guesses without erasing the device.

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Hickey posted a demonstration video of his attack online. Since this doesn't give the software any breaks, the keyboard input routine takes priority over the data-erase feature. The one-minute video shows that the iPhone gets unlocked within seconds of running the software.

It is likely that this failure of iPhone security has been resolved in the coming weeks by the tech giant Apple itself, and it will be no longer possible to use with the next iOS 12. With iOS 12, you must enter the string of passcodes before an hour passes since the last time that the phone was unlocked. In order to access that encrypted information, iPhones and iPads require users to enter a four- or six-digit passcode to protect the device that they choose during set-up.

Apple says it "strongly cautions against installing any software that hacks iOS", while also adds jailbreaking will void your product warranty, as by doing so, you violate the iOS end-user software license agreement.