CVE-2010-4394

Desbordamiento de Desbordamiento de búfer basado en montículo en RealNetworks RealPlayer v11.0 hasta v11.1 y RealPlayer SP v1.0 hasta v1.1.5, permite a servidores web remotos ejecutar codigo de su elección a través de una cabecera Server larga en respuesta a una petición HTTP que ocurre durante el parseo de un archivo RealPix.

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 RealPlayer's parsing of RealPix files. If such a file contains an image tag pointing to a remote server, the player will attempt to fetch the remote file. When parsing the response from the web server, the process blindly copies the contents of the Server header into a fixed length heap buffer. If an attacker provides a large enough string, critical pointers can be overwritten allowing for arbitrary code execution under the context of the user running the player.