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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-12-053/
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Vulnerable Systems:
* RealPlayer
The specific flaw exists within how the application parses sample data encoded with the RV30 codec. When processing certain values within the sample data, the application will use a one as a size for an allocation, and then the use the immediately following byte as an index into that buffer. Due to the lack of correlation between the allocation and the loop that writes to the allocation, this can be used to write outside the buffer and can lead to code execution under the context of the application.
Vendor Status:
RealNetworks has issued an update to correct this vulnerability.
Patch Availability:
http://service.real.com/realplayer/security/11182011_player/en/
CVE Information:
CVE-2011-4249
Disclosure Timeline:
2011-08-12 - Vulnerability reported to vendor
2012-03-26 - Coordinated public release of advisory
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