Advisory Details

December 21st, 2012

RealNetworks RealPlayer ATRAC Sample Decoding Remote Code Execution Vulnerability

CVE ID	CVE-2012-0928
CVSS SCORE	7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	RealNetworks
AFFECTED PRODUCTS	RealPlayer
TREND MICRO CUSTOMER PROTECTION	Trend Micro TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID ['12482']. For further product information on the TippingPoint IPS: http://www.tippingpoint.com
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of RealNetworks Real Player. 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 decode an audio sample that is encoded with the ATRAC codec. While parsing sample data, the application will explicitly trust 2-bits as a loop counter which can be used to write outside the bounds of the target buffer. This can lead to code execution under the context of the application.
ADDITIONAL DETAILS	RealNetworks has issued an update to correct this vulnerability. More details can be found at: http://service.real.com/realplayer/security/09072012_player/en/
DISCLOSURE TIMELINE	2011-10-28 - Vulnerability reported to vendor 2012-12-21 - Coordinated public release of advisory
CREDIT	Andrzej Dyjak

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