TippingPoint Zero Day Initiative
 

RealNetworks RealPlayer RV40 Remote Code Execution Vulnerability

ZDI-12-183: November 15th, 2012

CVE ID

CVSS Score

Affected Vendors

Affected Products

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:

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