An SMS iPhone hack has been discussed at the recent Black Hat security conference in Las Vegas.

According to security expert Charlie Miller from the Independent Security Evaluators and to Collin Mulliner from the University of Berling, the flaw allows the hacker to launch a Denial of Service attack or even take control of the victim’s device.

"Basically what happens, you send a bad SMS, you can't use your phone," Charlie Miller said. "Literally the phone is working; you just can't press any of the buttons."

BBC reported that the Apple promised to fix the iPhone flaw this week and the security patch will be available for iPhone users on Saturday. The patch will be delivered through iTunes store.