{"id":12586,"date":"2021-12-13T16:20:51","date_gmt":"2021-12-14T00:20:51","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=12586"},"modified":"2025-06-13T21:33:22","modified_gmt":"2025-06-14T04:33:22","slug":"what-to-know-about-the-log4j-vulnerability-cve-2021-44228","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/es\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/","title":{"rendered":"Lo que hay que saber sobre la vulnerabilidad CVE-2021-44228 de Log4j"},"content":{"rendered":"<p><span style=\"font-weight: 400\">Un exploit cr\u00edtico de d\u00eda cero, conocido como Log4Shell, que afecta al <\/span><a href=\"https:\/\/logging.apache.org\/log4j\/2.x\/security.html\"><span style=\"font-weight: 400\">Utilidad Apache Log4j<\/span><\/a><span style=\"font-weight: 400\"> (<\/span><a href=\"https:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2021-44228\"><span style=\"font-weight: 400\">CVE-2021-44228<\/span><\/a><span style=\"font-weight: 400\">) se hizo p\u00fablico el 9 de diciembre de 2021. Tan pronto como Couchbase tuvo conocimiento de este problema, lo investigamos inmediatamente en nuestros equipos de producto y seguridad, y tomamos medidas para proteger a nuestros clientes.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Hay dos productos de Couchbase afectados por este problema.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Couchbase Server Enterprise Edition, cuando se ejecuta el servicio Couchbase Analytics, versiones 6.0.0 a 6.6.3 y versiones 7.0.0 a 7.0.2.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Conector Couchbase Elasticsearch, versiones anteriores a 4.2.13 y 4.3.3.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Couchbase Server Community Edition no se ve afectado por esta vulnerabilidad, ya que este producto no contiene el servicio Couchbase Analytics.<\/span><\/p>\n<p><span style=\"font-weight: 400\">La base de datos como servicio de Couchbase, Couchbase Capella, ha desactivado temporalmente la capacidad de desplegar el servicio de an\u00e1lisis. Adem\u00e1s, los cl\u00fasteres que ejecutan el servicio Analytics se han protegido con un parche de seguridad actualizado.<\/span><\/p>\n<p><span style=\"font-weight: 400\">No tenemos conocimiento de ning\u00fan otro producto Couchbase afectado por el problema CVE-2021-44228.\u00a0 <\/span><span style=\"font-weight: 400\">Tambi\u00e9n observamos que no tenemos conocimiento de ning\u00fan producto Couchbase afectado por el Log4J adicional. <a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2021-45046\">CVE-2021-45046,<\/a>\u00a0<a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2021-45105\">CVE-2021-45105<\/a> y <a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2021-44832\">CVE-2021-44832<\/a> problemas de seguridad.<\/span><\/p>\n<p><span style=\"font-weight: 400\">A medida que avanza nuestra investigaci\u00f3n interna, podemos actualizar este post con cualquier informaci\u00f3n adicional pertinente, seg\u00fan sea necesario.  Animamos a los suscriptores de Couchbase Enterprise a revisar nuestra publicaci\u00f3n <\/span><a href=\"https:\/\/support.couchbase.com\/hc\/en-us\/articles\/4412566243739-CVE-2021-44228-Log4j-RCE-vulnerability\"><span style=\"font-weight: 400\">Art\u00edculo de la base de conocimientos<\/span><\/a><span style=\"font-weight: 400\"> (es necesario iniciar sesi\u00f3n) para obtener la informaci\u00f3n m\u00e1s actualizada.<\/span><\/p>\n<h4><span style=\"font-weight: 400\">Servidor Couchbase:<\/span><\/h4>\n<p><span style=\"font-weight: 400\">Couchbase Server versi\u00f3n 6.6.4 y Couchbase Server versi\u00f3n 7.0.3 con una actualizaci\u00f3n de software que resuelve esta vulnerabilidad han estado disponibles hoy, 14 de diciembre de 2021.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Recomendamos a todos los clientes que utilicen el servicio Couchbase Analytics que actualicen sus clusters inmediatamente.  Visite nuestra p\u00e1gina de descargas en <\/span><a href=\"https:\/\/www.couchbase.com\/blog\/es\/downloads\/\"><span style=\"font-weight: 400\">https:\/\/couchbase.com\/downloads<\/span><\/a><span style=\"font-weight: 400\"> para descargar estas nuevas versiones. Los cl\u00fasteres de Couchbase Server que ejecutan el servicio Analytics y que son gestionados por el Operador Aut\u00f3nomo de Couchbase tambi\u00e9n se ven afectados y deben actualizarse a Couchbase Server 6.6.4 o 7.0.3, seg\u00fan corresponda, lo antes posible.<br \/>\n<\/span><\/p>\n<p><span style=\"font-weight: 400\">Hasta que los clientes actualicen a las versiones corregidas de Couchbase Server, utilice la siguiente soluci\u00f3n para mitigar el riesgo de esta vulnerabilidad:\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">Este comando elimina el <\/span><em><span style=\"font-weight: 400\">JndiLookup<\/span><\/em><span style=\"font-weight: 400\"> de cualquier versi\u00f3n de los archivos jar de log4j y protege contra este exploit:<\/span><\/p>\n<p><em><span style=\"font-weight: 400\">$ find \/opt\/couchbase\/lib\/cbas\/repo -name 'log4j-core*.jar' -type f<\/span> <span style=\"font-weight: 400\">\u00a0| xargs -I{} sh -c 'echo patching {}; zip -q -d {} org\/apache\/logging\/log4j\/core\/lookup\/JndiLookup.class'<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400\">Para validar que la clase JndiLookup no est\u00e1 presente y que el comando de eliminaci\u00f3n se ejecut\u00f3 correctamente, puede ejecutar el siguiente comando:<\/span><\/p>\n<p><em><span style=\"font-weight: 400\">$ find \/opt\/couchbase\/lib\/cbas\/repo -name 'log4j-core*.jar' -type f | xargs -I{} unzip -l {} '*JndiLookup.class'<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">Archivo:  \/opt\/couchbase\/lib\/cbas\/repo\/log4j-core-2.14.1.jar<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">\u00a0\u00a0Longitud Fecha Hora Nombre<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">&#8212;&#8212;&#8212;\u00a0 &#8212;&#8212;&#8212;- &#8212;&#8211; \u00a0 &#8212;-<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">&#8212;&#8212;&#8212; \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 &#8212;&#8212;-<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a00 0 archivos<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400\">Tras aplicar el comando de eliminaci\u00f3n a cada nodo de an\u00e1lisis, el <\/span><a href=\"https:\/\/docs.couchbase.com\/server\/current\/analytics\/rest-admin.html#cluster-restart\"><span style=\"font-weight: 400\">API de reinicio de cl\u00fasteres<\/span><\/a><span style=\"font-weight: 400\"> para activar el reinicio de todos los nodos de Analytics.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Tambi\u00e9n se anima a los suscriptores de Enterprise a que consulten nuestra publicaci\u00f3n <\/span><a href=\"https:\/\/support.couchbase.com\/hc\/en-us\/articles\/4412566243739-CVE-2021-44228-Log4j-RCE-vulnerability\"><span style=\"font-weight: 400\">Art\u00edculo de la base de conocimientos<\/span><\/a><span style=\"font-weight: 400\"> para obtener m\u00e1s informaci\u00f3n sobre esta soluci\u00f3n.<\/span><\/p>\n<h4><span style=\"font-weight: 400\">Couchbase Server cuando es gestionado por Couchbase Autonomous Operator:<\/span><\/h4>\n<p><span style=\"font-weight: 400\">Hasta que se publique una versi\u00f3n de contenedor con una actualizaci\u00f3n para Couchbase Server, en un entorno de contenedor se puede emplear la soluci\u00f3n anterior con un conjunto diferente de pasos.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Copie el archivo jar espec\u00edfico del nodo a un sistema local y aplique la soluci\u00f3n general.  En Red Hat OpenShift, los comandos son similares.  Por ejemplo:<\/span><\/p>\n<p><em><span style=\"font-weight: 400\">$ kubectl cp <\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">cb-ejemplo-0000:\/opt\/couchbase\/lib\/cbas\/repo\/jars\/log4j-core-2.14.1.jar \/tmp\/log4j-core-2.14.1.jar<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">$ unzip -l \/tmp\/log4j-core-2.14.1.jar | grep -i JndiL<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">\u00a0\u00a02937 03-06-2021 22:12 org\/apache\/logging\/log4j\/core\/lookup\/JndiLookup.class<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">$ zip -q -d \/tmp\/log4j-core-2.14.1.jar org\/apache\/logging\/log4j\/core\/lookup\/JndiLookup.class .<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">$ unzip -l \/tmp\/log4j-core-2.14.1.jar | grep -i JndiL | wc -l<\/span><\/em><\/p>\n<p><em><span style=\"font-weight: 400\">\u00a0\u00a00<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400\">A continuaci\u00f3n, copie el archivo JAR modificado de nuevo en el pod.  Por ejemplo:<\/span><\/p>\n<p><em><span style=\"font-weight: 400\">$ kubectl cp \/tmp\/log4j-core-2.14.1.jar cb-ejemplo-0000:\/opt\/couchbase\/lib\/cbas\/repo\/jars\/log4j-core-2.14.1.jar<\/span><\/em><\/p>\n<p><span style=\"font-weight: 400\">Y por \u00faltimo, reinicie los procesos de Couchbase Server relacionados con Analytics utilizando el comando <\/span><a href=\"https:\/\/docs.couchbase.com\/server\/current\/analytics\/rest-admin.html#cluster-restart\"><span style=\"font-weight: 400\">API de reinicio de cl\u00fasteres<\/span><\/a><span style=\"font-weight: 400\"> indicado anteriormente.  Cualquier pod nuevo creado a trav\u00e9s de cambios en la configuraci\u00f3n del recurso CouchbaseCluster o cualquier pod recreado en el curso de las operaciones normales necesitar\u00e1 que se vuelva a aplicar la mitigaci\u00f3n.<\/span><\/p>\n<h4><span style=\"font-weight: 400\">Conector Couchbase Elasticsearch:<\/span><\/h4>\n<p><span style=\"font-weight: 400\">Animamos a todos los clientes a actualizar a las \u00faltimas versiones de Couchbase Elasticsearch Connector, que se proporciona con una soluci\u00f3n para este problema.  Las versiones 4.2.13 y 4.3.3 ya est\u00e1n disponibles. La direcci\u00f3n <\/span><a href=\"https:\/\/docs.couchbase.com\/elasticsearch-connector\/current\/release-notes.html\"><span style=\"font-weight: 400\">notas de la versi\u00f3n<\/span><\/a><span style=\"font-weight: 400\"> proporcionan detalles adicionales y enlaces de descarga. En el caso de que desee mitigar en el lugar, el <\/span><a href=\"https:\/\/support.couchbase.com\/hc\/en-us\/articles\/4412566243739-CVE-2021-44228-Log4j-RCE-vulnerability\"><span style=\"font-weight: 400\">Art\u00edculo de la base de conocimientos<\/span><\/a><span style=\"font-weight: 400\"> describe c\u00f3mo actualizar el archivo JAR in situ.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Si tiene alguna pregunta, visite la p\u00e1gina <\/span><a href=\"https:\/\/www.couchbase.com\/blog\/es\/forums\/\"><span style=\"font-weight: 400\">Foros de la comunidad Couchbase<\/span><\/a><span style=\"font-weight: 400\">. Si usted es un cliente de Couchbase Enterprise y tiene preguntas adicionales, por favor abra un <\/span><a href=\"https:\/\/support.couchbase.com\/\"><span style=\"font-weight: 400\">caso de apoyo<\/span><\/a><span style=\"font-weight: 400\">.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>A critical zero-day exploit, known as Log4Shell, affecting the Apache Log4j utility (CVE-2021-44228) was made public on December 9, 2021. As soon as Couchbase became aware of this issue, we investigated it immediately within our product and security teams, and [&hellip;]<\/p>","protected":false},"author":1864,"featured_media":12588,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[2242,2294,9284,1816,1813,2389],"tags":[],"ppma_author":[8928],"class_list":["post-12586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-connectors","category-analytics","category-couchbase-autonomous-operator","category-couchbase-server","category-security","category-solutions"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What to Know About the Log4j Vulnerability CVE-2021-44228 - The Couchbase Blog<\/title>\n<meta name=\"description\" content=\"In this blog post we go over what to know about the Log4j Vulnerability CVE-2021-44228\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/es\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What to Know About the Log4j Vulnerability CVE-2021-44228\" \/>\n<meta property=\"og:description\" content=\"In this blog post we go over what to know about the Log4j Vulnerability CVE-2021-44228\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/es\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2021-12-14T00:20:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-14T04:33:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2021\/12\/pexels-photo-775907.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"2250\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Ian McCloy, Director Product Management\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ian McCloy, Director Product Management\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/\"},\"author\":{\"name\":\"Ian McCloy, Director Product Management, Couchbase\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/7e8c834bce5128ad6cd764cd1c4cea19\"},\"headline\":\"What to Know About the Log4j Vulnerability CVE-2021-44228\",\"datePublished\":\"2021-12-14T00:20:51+00:00\",\"dateModified\":\"2025-06-14T04:33:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/\"},\"wordCount\":773,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2021\/12\/pexels-photo-775907.jpeg\",\"articleSection\":[\"Connectors\",\"Couchbase Analytics\",\"Couchbase Autonomous Operator\",\"Couchbase Server\",\"Security\",\"Solutions\"],\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.couchbase.com\/blog\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/\",\"url\":\"https:\/\/www.couchbase.com\/blog\/what-to-know-about-the-log4j-vulnerability-cve-2021-44228\/\",\"name\":\"What to Know About the Log4j Vulnerability CVE-2021-44228 - 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