Zero Day Initiative Advisory 12-076 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Apple's 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 exists within how the application calculates the padding for an MPEG sample. When calculating the padding, the MPEG library will subtract this from another length without checking for underflow. This resulting length will then be used in a memcpy operation into a statically sized buffer allocated on the heap. This can lead to code execution under the context of the application.
ebbfba28118d24f1d8b399ccd10a105b73410f3d44f0dd5d1dda1152ef2b523aApple 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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