Lars T.'s Journal: Apple fixes "Crack a Mac" 0day issue

On May 1st, Apple has released the QuickTime 7.1.6 Update that (among other things) fixes the security issue that was used in the "CanSec Macbook Challenge" win.

Description: An implementation issue exists in QuickTime for Java, which may allow reading or writing out of the bounds of the allocated heap. By enticing a user to visit a web page containing a maliciously-crafted Java applet, an attacker can trigger the issue which may lead to arbitrary code execution. This update addresses the issue by performing additional bounds checking when creating QTPointerRef objects. Credit to Dino Dai Zovi working with TippingPoint and the Zero Day Initiative for reporting this issue.

BTW: the bug is/was not limited to Safari (as was initially reported), but also works on other browsers and probably on Windows too.