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ZDI-12-183 : RealNetworks RealPlayer RV40 Remote Code Execution
Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-12-183

November 15, 2012

- -- CVE ID:
CVE-2012-0925

- -- CVSS:
9, AV:N/AC:L/Au:N/C:P/I:P/A:C

- -- Affected Vendors:
RealNetworks

- -- Affected Products:
RealNetworks RealPlayer

- -- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of RealNetworks RealPlayer. User interaction is
required in that a target must visit a malicious page or open a malicious
file.

The flaw exists within the rv40.dll component for RealNetworks RealPlayer.
When parsing a stream containing RV40 sample data, a value is miscalculated
before being used as an offset from a base pointer address. A remote
attacker can exploit this vulnerability to execute arbitrary code under the
context of the process.

- -- Vendor Response:
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:
2011-10-21 - Vulnerability reported to vendor
2012-11-15 - Coordinated public release of advisory

- -- Credit:
This vulnerability was discovered by:
* Dan Rosenberg of Virtual Security Research
* Damian Put

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