CVE-2018-0409

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The vulnerability is due to improper validation of user-supplied input. An attacker could exploit this vulnerability by sending a malicious IPv4 or IPv6 packet to an affected device on TCP port 7400. An exploit could allow the attacker to overread a buffer, resulting in a crash and restart of the XCP Router service. Cisco Bug IDs: CSCvg97663, CSCvi55947."}, {"lang": "es", "value": "Una vulnerabilidad en el servicio XCP Router de Cisco Unified Communications Manager IM Presence Service (CUCM IMP) y Cisco TelePresence Video Communication Server (VCS) y Expressway podr\u00eda permitir que un atacante remoto no autenticado provoque una ca\u00edda temporal del servicio para todos los usuarios de IMP, lo que resulta en una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Esta vulnerabilidad se debe a una validaci\u00f3n incorrecta de las entradas proporcionadas por el usuario. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un paquete IPv4 o IPv6 malicioso al dispositivo afectado en el puerto TCP 7400. Su explotaci\u00f3n con \u00e9xito podr\u00eda permitir que el atacante sobrelea un b\u00fafer, resultando en un cierre inesperado y el reinicio del servicio XCP Router. 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