CVE-2017-2893

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

An exploitable NULL pointer dereference vulnerability exists in the MQTT packet parsing functionality of Cesanta Mongoose 6.8. An MQTT SUBSCRIBE packet can cause a NULL pointer dereference leading to server crash and denial of service. An attacker needs to send a specially crafted MQTT packet over the network to trigger this vulnerability.

Existe una vulnerabilidad explotable de desreferencia de puntero NULL en la funcionalidad de análisis sintáctico de paquetes MQTT de Cesanta Mongoose 6.8. Un paquete MQTT SUBSCRIBE puede provocar una desreferencia de puntero NULL que conduce al cierre inesperado del servidor y a una denegación de servicio. Un atacante necesita enviar un paquete MQTT especialmente manipulado a través de la red para desencadenar esta vulnerabilidad.