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Credit:
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-10-249/
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Vulnerable Systems:
* Apple Quicktime
The specific flaw exists within the way QuickTime decompresses video samples that are encoded with the Sorenson v3 Codec. Upon parsing malformed video sample data, the application will calculate an index for decompression and use that to seek into a buffer used for writing. Due to lack of bounds checking on the index, a pointer can be made to point outside of the target array. Upon writing of the data a memory corruption will occur. Successful exploitation can lead to code execution under the context of the application.
Patch Availability:
Please refer to the following KB Apple documents:
Mac OS X 10.6.5: http://support.apple.com/kb/HT4435
QuickTime 7.6.9: http://support.apple.com/kb/HT4447
CVE Information:
CVE-2010-3793
Disclosure Timeline:
2010-03-22 - Vulnerability reported to vendor
2010-11-10 - Coordinated public release of advisory
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