<style id="elementor-post-10937">.elementor-10937 .elementor-element.elementor-element-8c69ee6{--divider-border-style:solid;--divider-color:#CCCCCC;--divider-border-width:1px;}.elementor-10937 .elementor-element.elementor-element-8c69ee6 .elementor-divider-separator{width:50%;margin:0 auto;margin-center:0;}.elementor-10937 .elementor-element.elementor-element-8c69ee6 .elementor-divider{text-align:center;padding-block-start:15px;padding-block-end:15px;}.elementor-10937 .elementor-element.elementor-element-a9509db{--divider-border-style:solid;--divider-color:#CCCCCC;--divider-border-width:1px;}.elementor-10937 .elementor-element.elementor-element-a9509db .elementor-divider-separator{width:50%;margin:0 auto;margin-center:0;}.elementor-10937 .elementor-element.elementor-element-a9509db .elementor-divider{text-align:center;padding-block-start:15px;padding-block-end:15px;}.elementor-10937 .elementor-element.elementor-element-abc3c32{--divider-border-style:solid;--divider-color:#CCCCCC;--divider-border-width:1px;}.elementor-10937 .elementor-element.elementor-element-abc3c32 .elementor-divider-separator{width:50%;margin:0 auto;margin-center:0;}.elementor-10937 .elementor-element.elementor-element-abc3c32 .elementor-divider{text-align:center;padding-block-start:15px;padding-block-end:15px;}.elementor-10937 .elementor-element.elementor-element-571586b .elementor-author-box__avatar img{width:50px;height:50px;}body.rtl .elementor-10937 .elementor-element.elementor-element-571586b.elementor-author-box--layout-image-left .elementor-author-box__avatar,
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					 body:not(.rtl) .elementor-10937 .elementor-element.elementor-element-571586b:not(.elementor-author-box--layout-image-above) .elementor-author-box__avatar{margin-right:15px;margin-left:0;}body:not(.rtl) .elementor-10937 .elementor-element.elementor-element-571586b.elementor-author-box--layout-image-right .elementor-author-box__avatar,
					 body.rtl .elementor-10937 .elementor-element.elementor-element-571586b:not(.elementor-author-box--layout-image-above) .elementor-author-box__avatar{margin-left:15px;margin-right:0;}.elementor-10937 .elementor-element.elementor-element-571586b.elementor-author-box--layout-image-above .elementor-author-box__avatar{margin-bottom:15px;}}</style>{"id":10937,"date":"2024-07-08T15:14:34","date_gmt":"2024-07-08T13:14:34","guid":{"rendered":"https:\/\/www.infordisa.com\/soc\/?p=10937"},"modified":"2025-08-18T13:16:13","modified_gmt":"2025-08-18T11:16:13","slug":"analisis-y-opinion-de-la-vulnerabilidad-en-openssh-regresshion","status":"publish","type":"post","link":"https:\/\/www.infordisa.com\/soc\/analisis-y-opinion-de-la-vulnerabilidad-en-openssh-regresshion\/","title":{"rendered":"An\u00e1lisis y opini\u00f3n de la vulnerabilidad en OpenSSH (regreSSHion)"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"10937\" class=\"elementor elementor-10937\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ab74dcc elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ab74dcc\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c389c20\" data-id=\"c389c20\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0737de7 elementor-widget elementor-widget-text-editor\" data-id=\"0737de7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En el hostil y siempre cambiante mundo de la ciberseguridad, la historia de la <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a> <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2024-6387\" target=\"_blank\" rel=\"noopener\">CVE-2024-6387<\/a> nos ofrece una lecci&oacute;n crucial sobre la importancia de la gesti&oacute;n del c&oacute;digo y la revisi&oacute;n constante de la seguridad. Esta vulnerabilidad, fue identificada en 2006, y reintroducida (imaginamos que por error) en el c&oacute;digo fuente de OpenSSH en 2020, concepto que se denomina &ldquo;Regresi&oacute;n&rdquo; (de ah&iacute; que se le llame a esta vulnerabilidad Regre<strong>SSH<\/strong>ion), causando consternaci&oacute;n entre los expertos y usuarios por igual.<\/p><blockquote><p>&iquest;C&oacute;mo es posible que un fallo identificado hace casi dos d&eacute;cadas vuelva a surgir en el software moderno?<\/p><\/blockquote><p>Para entender este fen&oacute;meno, debemos considerar varios factores clave en SSDLC (Secure Software Development Life Cicle):<\/p><p><strong>Gesti&oacute;n del C&oacute;digo y Control de Versiones<\/strong>: En 2006, la <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a> fue documentada y parcheada, pero los sistemas de control de versiones y la gesti&oacute;n del c&oacute;digo no siempre aseguran que los parches sean permanentes. En alg&uacute;n momento entre la identificaci&oacute;n original y 2020, el c&oacute;digo vulnerable fue reintroducido, posiblemente debido a la fusi&oacute;n incorrecta de ramas de c&oacute;digo o la reutilizaci&oacute;n de componentes antiguos que no se actualizaron adecuadamente (&iexcl;&iexcl;no pensemos mal, por favor!!).<\/p><p><strong>Desarrollo de Software y Ciclo de Vida del C&oacute;digo<\/strong>: A medida que el software evoluciona, el ciclo de vida del c&oacute;digo implica numerosas actualizaciones, mejoras y correcciones. En grandes proyectos, es f&aacute;cil que las modificaciones pasadas se pierdan en el mar de cambios continuos, especialmente si no hay un seguimiento riguroso y una documentaci&oacute;n exhaustiva.<\/p><p><strong>Cadena de suministro \/ Dependencias de librer&iacute;as de terceros<\/strong>: El desarrollo moderno a menudo depende de m&uacute;ltiples bibliotecas y componentes de terceros. Si una vulnerabilidad se encuentra en uno de estos componentes y no se gestiona correctamente, puede ser reintroducida al actualizar o cambiar dependencias sin la debida diligencia.<\/p><p><strong>Auditor&iacute;as y Revisiones de Seguridad<\/strong>: Aunque las auditor&iacute;as de seguridad son esenciales, no siempre garantizan la detecci&oacute;n de todas las vulnerabilidades, especialmente si la auditor&iacute;a no se centra en revisar el historial completo del c&oacute;digo. La reintroducci&oacute;n de <a class=\"glossaryLink\"  href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/cve\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex='0' role='link'>CVE<\/a>-2024-6387 subraya la necesidad de auditor&iacute;as exhaustivas y continuas, as&iacute; como de procesos automatizados que alerten sobre la reaparici&oacute;n de fallos conocidos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c69ee6 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"8c69ee6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ecae9c2 elementor-widget elementor-widget-text-editor\" data-id=\"ecae9c2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Herramientas usadas para auditar c&oacute;digo<\/h2><p>Hace un tiempo en sesiones de consultor&iacute;a de implantaci&oacute;n del Esquema Nacional de Seguridad con un cliente, conoc&iacute; un par de herramientas de an&aacute;lisis de c&oacute;digo que considero que son una maravilla y un &ldquo;MUST&rdquo; en todos los equipos de desarrollo y que probablemente hubieran hecho saltar las alarmas en alguno de los multiples Pull Requests que habr&aacute; sufrido el c&oacute;digo desde 2020.<\/p><h3><strong>SNYK<\/strong><\/h3><p>SNYK es una herramienta especializada en la seguridad del c&oacute;digo y las dependencias. Su enfoque principal es la detecci&oacute;n y correcci&oacute;n de vulnerabilidades en tiempo real, lo que permite a los desarrolladores integrar la seguridad directamente en su flujo de trabajo de desarrollo.<\/p><p><strong>An&aacute;lisis de Dependencias<\/strong>: SNYK escanea las dependencias del proyecto y alerta sobre cualquier vulnerabilidad conocida, incluyendo aquellas que podr&iacute;an haber sido reintroducidas accidentalmente.<\/p><p><strong>Monitoreo Continuo<\/strong>: Ofrece monitoreo continuo, lo que significa que incluso despu&eacute;s de la integraci&oacute;n inicial, SNYK seguir&aacute; analizando el c&oacute;digo y las dependencias en busca de nuevas vulnerabilidades.<\/p><p><strong>Correcci&oacute;n Autom&aacute;tica<\/strong>: Propone soluciones y actualizaciones de seguridad para las vulnerabilidades detectadas, ayudando a los equipos a resolver problemas r&aacute;pidamente.<\/p><h3><strong>SonarQube<\/strong><\/h3><p>SonarQube es una plataforma robusta para la inspecci&oacute;n continua de la calidad del c&oacute;digo, que incluye an&aacute;lisis de seguridad, detecci&oacute;n de bugs, y evaluaci&oacute;n de la calidad del c&oacute;digo en general.<\/p><p><strong>Detecci&oacute;n de Vulnerabilidades y Bugs<\/strong>: SonarQube puede identificar problemas de seguridad y bugs en el c&oacute;digo, incluyendo patrones de vulnerabilidades que podr&iacute;an reaparecer.<\/p><p><strong>Revisiones de C&oacute;digo Automatizadas<\/strong>: Ayuda a mantener est&aacute;ndares de codificaci&oacute;n consistentes mediante revisiones automatizadas, lo que reduce la probabilidad de que el c&oacute;digo inseguro sea reintroducido.<\/p><p><strong>Historial y Comparaci&oacute;n de C&oacute;digo<\/strong>: SonarQube mantiene un historial de las revisiones de c&oacute;digo y permite comparar cambios, lo que es crucial para identificar cu&aacute;ndo y c&oacute;mo una <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/vulnerabilidad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">vulnerabilidad<\/a> reintroducida pudo haber ocurrido.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a9509db elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"a9509db\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dfed89b elementor-widget elementor-widget-text-editor\" data-id=\"dfed89b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Integraci&oacute;n en el Ciclo de Vida del Desarrollo<\/h2><p>Para maximizar la eficacia de estas herramientas, es fundamental integrarlas en el ciclo de vida del desarrollo de software (SDLC). Aqu&iacute; hay algunas pr&aacute;cticas recomendadas:<\/p><p><strong>Integraci&oacute;n Continua (CI\/CD):<\/strong> Integrar SNYK y SonarQube en las tuber&iacute;as de CI\/CD para asegurar que el c&oacute;digo sea analizado autom&aacute;ticamente en cada commit y build.<\/p><p><strong>Gesti&oacute;n de Cambios y Pase a producci&oacute;n<\/strong>: Establecer un proceso robusto y riguroso que requieran la aprobaci&oacute;n de los an&aacute;lisis de seguridad antes de fusionar cualquier c&oacute;digo nuevo.<\/p><p><strong>Formaci&oacute;n y Capacitaci&oacute;n<\/strong>: Asegurar que los desarrolladores est&eacute;n capacitados en el uso de estas herramientas y en la interpretaci&oacute;n de los resultados para tomar las acciones correctivas necesarias. <em>NOTA: Os sorprender&iacute;a la cantidad de desarrolladores que audito que tienen conocimientos Bajos o Nulos en Ciberseguridad<\/em>&hellip; <em>Como m&iacute;nimo saber interpretar estas herramientas, es vital.<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-abc3c32 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"abc3c32\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8075aba elementor-widget elementor-widget-text-editor\" data-id=\"8075aba\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Conclusi&oacute;n final<\/h2><p>Herramientas como SNYK y SonarQube son vitales para prevenir la reintroducci&oacute;n de vulnerabilidades como la <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2024-6387\" target=\"_blank\" rel=\"noopener\">CVE-2024-6387<\/a>. Al proporcionar an&aacute;lisis continuo, detecci&oacute;n autom&aacute;tica de vulnerabilidades y bugs, y soluciones correctivas, estas herramientas ayudan a mantener la <a class=\"glossaryLink\" href=\"https:\/\/www.infordisa.com\/soc\/glosario-definicion\/integridad\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">integridad<\/a> y seguridad del c&oacute;digo a lo largo del tiempo. Integrarlas eficazmente en el ciclo de vida del desarrollo de software y asegurar que los equipos est&eacute;n bien entrenados en su uso es fundamental para crear y mantener software seguro y de alta calidad.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-571586b elementor-author-box--avatar-yes elementor-author-box--name-yes elementor-author-box--biography-yes elementor-author-box--link-no elementor-widget elementor-widget-author-box\" data-id=\"571586b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box__avatar\">\n\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/f8d945ed810ff19bb95d63c794ddec6ba903f59759e58bf79a3c966e697af02c?s=50&amp;r=g\" alt=\"Imagen de Infordisa\" loading=\"lazy\"\/>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div>\n\t\t\t\t\t\t<h4 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tInfordisa\t\t\t\t\t\t<\/h4>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\t\/Security Operations Center\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Una lecci&oacute;n crucial sobre la importancia de la gesti&oacute;n del c&oacute;digo y la revisi&oacute;n constante de la seguridad inform&aacute;tica.<\/p>\n","protected":false},"author":10,"featured_media":10940,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[39],"tags":[74,194,195,147],"class_list":["post-10937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualidad","tag-concienciacion","tag-openssh","tag-opinion","tag-vulnerabilidad","masonry-post","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-25"],"acf":[],"yoast_head":"<title>An\u00e1lisis y opini\u00f3n de la vulnerabilidad en OpenSSH (regreSSHion) - Infordisa \/ Security Operations Center<\/title>\n<meta name=\"description\" content=\"Una lecci\u00f3n crucial sobre la importancia de la gesti\u00f3n del c\u00f3digo y la revisi\u00f3n constante de la seguridad inform\u00e1tica.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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