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Credit:
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-10-273/
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Vulnerable Systems:
* RealNetworks RealPlayer
The specific flaw exists when parsing an .AAC file containing a malformed MLLT atom. The application utilizes a size specified in this data structure for allocation of a list of objects. To calculate the size for the allocation, the application will multiply this length by 8. If the multiplication results in a value greater than 32 bits an integer overflow will occur. When copying data into this buffer heap corruption will occur which can lead to code execution under the context of the currently logged in user.
Patch Availability:
RealNetworks has issued an update to correct this vulnerability. More details can be found at
http://service.real.com/realplayer/security/12102010_player/en/
CVE Information:
CVE-2010-2999
Disclosure Timeline:
2009-08-20 - Vulnerability reported to vendor
2010-12-10 - Coordinated public release of advisory
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