CVE-2014-3600

Una vulnerabilidad de XML External Entity (XXE) en Apache ActiveMQ, en versiones 5.x anteriores a la 5,10,1 permite que consumidores remotos provoquen impactos no especificados mediante vectores que implican un selector basado en XPath al eliminar de la cola los mensajes XML.

It was discovered that Apache ActiveMQ performed XML External Entity (XXE) expansion when evaluating XPath expressions. A remote, attacker-controlled consumer able to specify an XPath-based selector to dequeue XML messages from an Apache ActiveMQ broker could use this flaw to read files accessible to the user running the broker, and potentially perform other more advanced XXE attacks.

Red Hat JBoss Fuse, based on Apache ServiceMix, provides a small-footprint, flexible, open source enterprise service bus and integration platform. Red Hat JBoss A-MQ, based on Apache ActiveMQ, is a standards compliant messaging system that is tailored for use in mission critical applications. This patch is an update to Red Hat JBoss Fuse 6.1.0 and Red Hat JBoss A-MQ 6.1.0. It includes a bug fix, which is documented in the readme.txt file included with the patch files. The following security issues are addressed in this release: It was found that if a configured LDAP server supported the unauthenticated authentication mechanism, the LDAPLoginModule implementation, provided by ActiveMQ Java Authentication and Authorization Service, would consider an authentication attempt to be successful for a valid user that provided an empty password. A remote attacker could use this flaw to bypass the authentication mechanism of an application using LDAPLoginModule, and assume a role of any valid user within that application.