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Credit:
The information has been provided by Roi Mallo & Sherab Giovannini.
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-11-257/
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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 frame within an H.264 encoded movie. When processing a particular set of flags of a structure, the application will use a length that is defined within the structure to copy data into a statically sized buffer on the stack. Due to the application failing to check the bounds of this length, the application will write outside the bounds of the buffer which can lead to code execution under 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/HT4826
CVE Information:
CVE-2011-0247
Disclosure Timeline:
2011-05-12 - Vulnerability reported to vendor
2011-08-16 - Coordinated public release of advisory
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