A New Lock Screen Bug Has Been Found

02/25/2013 16:17

 

A few weeks ago, a bug was found in iOS 6.1. The bug lets you bypass the passcode and get into the phone app. Yet another bug has been found on the iOS 6.1 lock screen. The new bug is similar to the one previously found.

Benjamin Kunz Mejri, the person who found the latest bug, describes the bug here:

The vulnerability is located in the main login module of the mobile iOS device (iphone or ipad) when processing to use the screenshot function in combination with the emegerncy call and power (standby) button. The vulnerability allows the local attacker to bypass the code lock in iTunes and via USB when a black screen bug occurs.

The vulnerability can be exploited by local attackers with physical device access without privileged iOS account or required user interaction. Successful exploitation of the vulnerability results in unauthorized device access and information disclosure.

Apple also released iOS 6.1.3 beta 2 to developers today so were not sure if the latest bug is also corrected in the new version. 

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