{"id":1797,"date":"2021-03-26T02:39:35","date_gmt":"2021-03-26T02:39:35","guid":{"rendered":"https:\/\/invezt.co\/kaymera\/?p=1797"},"modified":"2022-03-31T03:54:41","modified_gmt":"2022-03-31T03:54:41","slug":"hackean-telegram-enviando-un-sticker","status":"publish","type":"post","link":"https:\/\/invict.com.co\/kaymera\/2021\/03\/26\/hackean-telegram-enviando-un-sticker\/","title":{"rendered":"Hackean Telegram enviando un sticker"},"content":{"rendered":"\n

A principios de febrero la noticia fue \u00abhackean Telegram con un sticker\u00bb y esto movi\u00f3 a muchos usuarios; sobre todo porque este mensajero se cataloga como uno de los m\u00e1s seguros del mercado, supone una gran ventaja sobre su competencia m\u00e1s directa, Whatsapp, e incluso Signal. <\/p>\n\n\n\n

La empresa Shielder<\/a> descubri\u00f3 que trav\u00e9s del env\u00edo de un sticker pod\u00edan acceder a fotos, videos y archivos del usuario; esta puerta se abr\u00eda al enviarlo a trav\u00e9s de la funci\u00f3n de chat secreto. <\/p>\n\n\n\n

El fallo afecta a las versiones de Android, iOS y macOS de Telegram; seg\u00fan la empresa se solucion\u00f3 mediante un parche publicado entre el 30 de septiembre y el pasado 2 de octubre del 2020.<\/p>\n\n\n\n

Para Shielder la clave fue el encriptado que utiliza en la modalidad de chat secreto. En los chats \u201cnormales\u201d la plataforma utiliza una encriptaci\u00f3n Cliente-Servidor<\/strong>, que desencriptan y se vuelven a encriptar los mensajes en los servidores de Telegram<\/a><\/strong> antes de llegar al destinatario. Al utilizar un intermediario, este m\u00e9todo podr\u00eda suponer un mayor grado de vulnerabilidad, aunque en este caso la brecha ha sido detectada en otro sitio: en los chats secretos.<\/p>\n\n\n\n

En los chats secretos el encriptado se modifica pero se permite continuar con la gesti\u00f3n de los stickers animados. Aprovechando este fallo los atacantes pod\u00edan incluir c\u00f3digo malicioso en el sticker para enviarlo y dejar expuestos todos los mensajes, fotos y videos de las v\u00edctimas, tanto de los chats normales como de los propios chats secretos.<\/p>\n\n\n\n

Aunque llevar a cabo un ataque de este nivel precisa cierto nivel de sofisticaci\u00f3n es importante que los usuarios conozcan las vulnerabilidades de las aplicaciones son m\u00e1s populares en el mercado; pues su privacidad y seguridad quedan comprometidas con este tipo de fallos que se conocen mucho tiempo despu\u00e9s de que las empresas actualizan el c\u00f3digo. <\/p>\n","protected":false},"excerpt":{"rendered":"

A principios de febrero la noticia fue \u00abhackean Telegram con un sticker\u00bb y esto movi\u00f3 a muchos usuarios; sobre todo porque este mensajero se cataloga como uno de los m\u00e1s seguros del mercado, supone una gran ventaja sobre su competencia m\u00e1s directa, Whatsapp, e incluso Signal. La empresa Shielder descubri\u00f3 que trav\u00e9s del env\u00edo de un… Leer m\u00e1s »Hackean Telegram enviando un sticker<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":1799,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[10],"tags":[263,264,13,73,14,15,265,123,36],"class_list":["post-1797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-noticias","tag-encriptacion","tag-hackean-telegram","tag-kaymera","tag-kaymera-americas","tag-kaymera-app","tag-kaymera-technologies","tag-mensajes-secretos","tag-telegram","tag-vulnerabilidades-en-telefonos-moviles"],"yoast_head":"\nHackean Telegram enviando un sticker - 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