CVE-2007-6304

El motor federated en MySQL versiones 5.0.x anteriores a 5.0.51a, versiones 5.1.x anteriores a 5.1.23 y versiones 6.0.x anteriores a 6.0.4, al realizar una determinada consulta SHOW TABLE STATUS, permite a los servidores MySQL remotos causar una denegación de servicio (bloqueo del manejador de federated y bloqueo del demonio) por medio de una respuesta que carece del número mínimo necesario de columnas.

Joe Gallo and Artem Russakovskii discovered that the InnoDB engine in MySQL did not properly perform input validation. An authenticated user could use a crafted CONTAINS statement to cause a denial of service. It was discovered that under certain conditions MySQL could be made to overwrite system table information. An authenticated user could use a crafted RENAME statement to escalate privileges. Philip Stoev discovered that the the federated engine of MySQL did not properly handle responses with a small number of columns. An authenticated user could use a crafted response to a SHOW TABLE STATUS query and cause a denial of service. It was discovered that MySQL did not properly enforce access controls. An authenticated user could use a crafted CREATE TABLE LIKE statement to escalate privileges.