{"id":91998,"date":"2020-08-21T13:42:04","date_gmt":"2020-08-21T11:42:04","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-dns-servera-bind-9-11-22-9-16-6-9-17-4-s-ustraneniem-5-uyazvimostej"},"modified":"2020-08-21T13:42:04","modified_gmt":"2020-08-21T11:42:04","slug":"obnovlenie-dns-servera-bind-9-11-22-9-16-6-9-17-4-s-ustraneniem-5-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-dns-servera-bind-9-11-22-9-16-6-9-17-4-s-ustraneniem-5-uyazvimostej","title":{"rendered":"Actualizaci\u00f3n del servidor DNS BIND 9.11.22, 9.16.6, 9.17.4 corrigiendo 5 vulnerabilidades","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/bind-announce@lists.isc.org\/msg00579.html\">Publicado<\/a><\/noindex> Actualizaciones de seguridad para las ramas estables del servidor DNS BIND 9.11.22 y 9.16.6, as\u00ed como de la rama experimental en desarrollo 9.17.4. En las nuevas versiones se han corregido 5 vulnerabilidades. La vulnerabilidad m\u00e1s peligrosa (<noindex><a rel=\"nofollow\" href=\"https:\/\/kb.isc.org\/docs\/cve-2020-8620\">CVE-2020-8620<\/a><\/noindex>) <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.talosintelligence.com\/2020\/08\/vuln-spotlight-ISC-BIND-aug-2020.html\">permite<\/a><\/noindex> puede permitir la denegaci\u00f3n de servicio remoto al enviar un conjunto espec\u00edfico de paquetes al puerto TCP donde BIND acepta conexiones. El env\u00edo de solicitudes AXFR anormalmente grandes al puerto TCP, <noindex><a rel=\"nofollow\" href=\"https:\/\/talosintelligence.com\/vulnerability_reports\/TALOS-2020-1100\">puede conducir<\/a><\/noindex> podr\u00eda hacer que la biblioteca libuv que maneja la conexi\u00f3n TCP pase al servidor un tama\u00f1o que provocar\u00eda una falla de validaci\u00f3n y terminar\u00eda el proceso.<\/p>\n<p>Otras vulnerabilidades:<\/p>\n<ul>\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/kb.isc.org\/docs\/cve-2020-8621\">CVE-2020-8621<\/a><\/noindex> \u2014 Un atacante puede iniciar una verificaci\u00f3n de assertion y un cierre de emergencia del resolvedor al intentar minimizar QNAME despu\u00e9s de redirigir la solicitud. El problema se manifiesta solo en servidores con la minimizaci\u00f3n de QNAME habilitada, trabajando en modo 'forward first'.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/kb.isc.org\/docs\/cve-2020-8622\">CVE-2020-8622<\/a><\/noindex> \u2014 Un atacante puede iniciar una verificaci\u00f3n de assertion y un cierre de emergencia del proceso de trabajo si el servidor DNS del atacante devuelve respuestas incorrectas firmadas por TSIG en respuesta a la consulta del servidor DNS de la v\u00edctima.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/kb.isc.org\/docs\/cve-2020-8623\">CVE-2020-8623<\/a><\/noindex> \u2014 Un atacante puede iniciar una verificaci\u00f3n de assertion y un cierre de emergencia del manejador mediante el env\u00edo de consultas de zona especialmente formateadas, firmadas con una clave RSA. El problema se manifiesta solo en servidores compilados con la opci\u00f3n '\u2014enable-native-pkcs11'.\n<li class=\"l\"> <noindex><a rel=\"nofollow\" href=\"https:\/\/kb.isc.org\/docs\/cve-2020-8624\">CVE-2020-8624<\/a><\/noindex> \u2014 Un atacante con la autoridad para modificar el contenido de ciertos campos en las zonas DNS puede obtener privilegios adicionales para cambiar otro contenido de la zona DNS.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53577\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u0435\u0442\u043e\u043a DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.11.22 \u0438 9.16.6, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043d\u0430\u0445\u043e\u0434\u044f\u0449\u0435\u0439\u0441\u044f \u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0432\u0435\u0442\u043a\u0438 9.17.4. \u0412 \u043d\u043e\u0432\u044b\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2020-8620) \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u0432\u044b\u0437\u0432\u0430\u0442\u044c \u043e\u0442\u043a\u0430\u0437 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u043d\u0430\u0431\u043e\u0440\u0430 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u043d\u0430 TCP-\u043f\u043e\u0440\u0442, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f BIND. \u041e\u0442\u043f\u0440\u0430\u0432\u043a\u0430 \u043d\u0430 TCP-\u043f\u043e\u0440\u0442 \u0430\u043d\u043e\u043c\u0430\u043b\u044c\u043d\u043e \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 AXFR, \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-91998","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u0435\u0442\u043e\u043a DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.11.22 \u0438 9.16.6, \u0430.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-dns-servera-bind-9-11-22-9-16-6-9-17-4-s-ustraneniem-5-uyazvimostej\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"es_ES\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.11.22, 9.16.6, 9.17.4 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u0435\u0442\u043e\u043a DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.11.22 \u0438 9.16.6, \u0430.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-dns-servera-bind-9-11-22-9-16-6-9-17-4-s-ustraneniem-5-uyazvimostej\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-08-21T11:42:04+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-08-21T11:42:04+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Actualizaci\u00f3n del servidor DNS BIND 9.11.22, 9.16.6, 9.17.4 con la correcci\u00f3n de 5 vulnerabilidades | ProHoster","description":"Se han publicado actualizaciones de seguridad para las ramas estables del servidor DNS BIND 9.11.22 y 9.16.6, as\u00ed.","canonical_url":"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-dns-servera-bind-9-11-22-9-16-6-9-17-4-s-ustraneniem-5-uyazvimostej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"es_ES","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.11.22, 9.16.6, 9.17.4 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c 5 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 | ProHoster","og:description":"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0432\u0435\u0442\u043e\u043a DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 BIND 9.11.22 \u0438 9.16.6, \u0430.","og:url":"https:\/\/prohoster.info\/es\/blog\/news\/obnovlenie-dns-servera-bind-9-11-22-9-16-6-9-17-4-s-ustraneniem-5-uyazvimostej","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-08-21T11:42:04+00:00","article:modified_time":"2020-08-21T11:42:04+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"91998","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 12:17:36","updated":"2022-10-02 14:54:32","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/91998","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/comments?post=91998"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/91998\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/media?parent=91998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/categories?post=91998"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/tags?post=91998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}