A security vulnerability that lets hackers gain full access to a Android devices through the lock screen has been found. The flaw, which was discovered by the University of Texas, affects devices running the Android Lollipop operating system.
Image: Family O'Abé
To take advantage of this security flaw, attackers need to physically interact with the Android device. They then need to access the lock screen, open the Emergency Call window and entering a series of characters then mash the camera shutter button to crash the lock screen. You can see a step-by-step guide on how this vulnerability can be exploited here:
Google has been notified of this security issue and has just issued a fix, which you can find over at its Android Git Repositories page.