CIUDAD DE MÉXICO.- El Equipo de respuesta a emergencias informáticas de la India (CERT-In) ha emitido una alerta. Trata de varias vulnerabilidades. Pues comprometen la información personal y confidencial de los usuarios de WhatsApp y WhatsApp Business en algunas versiones de la app para Android e iOS.

Se trata de una serie de vulnerabilidades de riesgo “alto”, según el comunicado oficial por Gadgets 360, que afectan a los usuarios de WhatsApp y WhatsApp Business tanto en web como en ‘smartphones’ con versiones anteriores a la v2.21.4.18 en Android, y a la v2.21.32 en iOS.

Las vulnerabilidades se han dado en las aplicaciones de WhatsApp debido a un problema de configuración en la caché y a la falta de comprobación de límites en la decodificación del audio. Según el CERT-In, ello podría permitir a los atacantes “ejecutar código de manera arbitraria o acceder a información sensible”.

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El origen de la vulnerabilidad se encontró en la herramienta de pantalla de bloqueo de WhatsApp. Podría usarse para comunicarse por medio de la aplicación de mensajería dando comandos de voz al asistente de voz de Apple, Siri, según ha dicho sobre el aviso The Indian Express.

Además, una vulnerabilidad ‘Use-After-Free’ permite a los hackers atacar a un usuario mandando un ‘sticker’ animado durante una videollamada. La agencia de ciberseguridad de la India recomienda actualizar a la última versión de WhatsApp para evitar los problemas fruto de estas vulnerabilidades.

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