CVE-2014-3710

La función donote en readelf.c en file hasta 5.20, utilizado en el componente Fileinfo en PHP 5.4.34, no asegura que suficientes cabeceras de notas están presentes, lo que permite a atacantes remotos causar una denegación de servicio (lectura fuera de rango y caída de aplicación) a través de un fichero ELF manipulado.

An out-of-bounds read flaw was found in the way the File Information (fileinfo) extension parsed Executable and Linkable Format (ELF) files. A remote attacker could use this flaw to crash a PHP application using fileinfo via a specially crafted ELF file.

Symeon Paraschoudis discovered that PHP incorrectly handled the mkgmtime function. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. Symeon Paraschoudis discovered that PHP incorrectly handled unserializing objects. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. Otto Ebeling discovered that PHP incorrectly handled the exif_thumbnail function. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.