Zero Day Initiative Advisory 12-103 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of QuickTime Player. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw occurs when parsing a movie file containing multiple atoms with a different string length. When resizing a buffer in order to make space for the string, the application will forget to include the null-terminator. When the application attempts to null-terminate the string, an out-of-bounds write will occur. If an aggressor can place the a useful heap buffer contiguous to the reallocated string, this can lead to code execution under the context of the application.
f1c0ec875d5f1f6611aaccba87f70c3dded4662ef965ecfd7279dddd6300d5f0Apple Security Advisory 2012-05-15-1 - QuickTime 7.7.2 is now available and addresses multiple security issues. Multiple stack overflows existed in QuickTime's handling of TeXML files. A heap overflow existed in QuickTime's handling of text tracks. A heap buffer overflow existed in the handling of H.264 encoded movie files. An uninitialized memory access issue existed in the handling of MP4 encoded files. For OS X Lion systems, this issue is addressed in OS X Lion v10.7.3. For Mac OS X v10.6 systems, this issue is addressed in Security Update 2012-001. Various other issues were also addressed.
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