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Credit:
The information has been provided by Damian Put.
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-11-335/
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Vulnerable Systems:
* RealNetworks RealPlayer
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 when the application attempts to parse a height out of the RV10 codec object. The application will incorrectly treat the value as a signed integer and will its value as the count within a loop that populates rows of sample data within a buffer. This can allow for memory corruption which can lead to code execution under the context of the application.
Patch Availability:
RealNetworks has issued an update to correct this vulnerability. More details can be found at:
http://service.real.com/realplayer/security/11182011_player/en/
CVE Information:
CVE-2011-4252
Disclosure Timeline:
2011-08-12 - Vulnerability reported to vendor
2011-11-28 - Coordinated public release of advisory
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