CVE-2008-4813

Adobe Reader y Acrobat v8.1.2 y anteriores; permiten a atacantes remotos ejecutar código de su elección a través de un PDF manipulado que (1) realiza acciones no especificadas en un objecto Collab que provoca una corrupción de memoria, relacionado con le método GetCosObj; o (2) contiene un objecto PDF mal formado que provoca una corrupción de memoria en una validación.

This vulnerability allows remote attackers to execute code on vulnerable installations of Adobe Acrobat. User interaction is required in that a user must visit a malicious web site.
The specific flaw exists when processing malicious javascript contained in a PDF document. When creating a Collab object and performing a specific sequence of actions on it, memory corruption occurs potentially resulting in remote code execution. If successfully exploited full control of the affected machine running under the credentials of the currently logged in user can be achieved.