TippingPoint Zero Day Initiative
 

RealNetworks RealPlayer Cook Codec Initialization Remote Code Execution Vulnerability

ZDI-10-279: December 10th, 2010

CVE ID

CVSS Score

Affected Vendors

Affected Products

TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 10606. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of 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 within how the application parses cook-specific data used for initialization. The application will use a length in a copy without verifying it being larger than the destination buffer. Successful exploitation can lead to code execution under the context of the application.

Vendor Response

RealNetworks has issued an update to correct this vulnerability. More details can be found at:

Disclosure Timeline

    2010-08-25 - Vulnerability reported to vendor
    2010-12-10 - Coordinated public release of advisory

Credit

This vulnerability was discovered by:
    Damian Put