CVE-2009-2416

Múltiples vulnerabilidades de uso anterior a la liberación en libxml2 v2.5.10, v2.6.16, v2.6.26, v2.6.27, y v2.6.32, y libxml v1.8.17, permite a atacantes dependientes de contexto producir una denegación de servicio (caída de aplicación) a través de una ,manipulación de (1) una notación o (2) tipos de atributo de enumeración en un fichero XML como se demostró en Codenomicon XML fuzzing framework.

It was discovered that libxml2 did not correctly handle root XML document element DTD definitions. If a user were tricked into processing a specially crafted XML document, a remote attacker could cause the application linked against libxml2 to crash, leading to a denial of service. It was discovered that libxml2 did not correctly parse Notation and Enumeration attribute types. If a user were tricked into processing a specially crafted XML document, a remote attacker could cause the application linked against libxml2 to crash, leading to a denial of service. It was discovered that libxml2 did not correctly handle long entity names. If a user were tricked into processing a specially crafted XML document, a remote attacker could execute arbitrary code with user privileges or cause the application linked against libxml2 to crash, leading to a denial of service.