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Credit:
The information has been provided by Luigi Auriemma.
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-11-314/
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Vulnerable Systems:
* Apple Quicktime
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 parses a specific opcode within a PCT file. When resizing a heap buffer, the application will use a signed word read from the file to calculate the resulting size. This can be used to force the target buffer to be of an undersized length. Usage of this buffer will result in a buffer overflow in the context of the application.
Patch Availability:
Apple has issued an update to correct this vulnerability. More details can be found at:
http://support.apple.com/kb/HT5016
CVE Information:
CVE-2011-3247
Disclosure Timeline:
2011-04-11 - Vulnerability reported to vendor
2011-10-27 - Coordinated public release of advisory
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