{"id":1337,"date":"2019-01-24T15:41:47","date_gmt":"2019-01-24T20:41:47","guid":{"rendered":"https:\/\/cert.pa\/?p=1337"},"modified":"2019-01-24T15:41:47","modified_gmt":"2019-01-24T20:41:47","slug":"csirt-panama-aviso-2019-1-24-cisco-publica-vulnerabilidad-critica-de-seguridad-en-switches","status":"publish","type":"post","link":"https:\/\/cert.pa\/?p=1337","title":{"rendered":"CSIRT Panam\u00e1 Aviso 2019-1-24 Cisco publica vulnerabilidad critica de seguridad en switches."},"content":{"rendered":"\n<p><strong>CSIRT\nPanam\u00e1 Aviso 2019-1-24 Cisco publica vulnerabilidad critica de seguridad en\nswitches.<\/strong><\/p>\n\n\n\n<p><strong>Gravedad:<\/strong> Cr\u00edtica<\/p>\n\n\n\n<p><strong>Fecha\nde publicaci\u00f3n:<\/strong>\nenero 24, 2019<\/p>\n\n\n\n<p><strong>Fecha\nde modificaci\u00f3n:<\/strong>\nenero 24, 2018<\/p>\n\n\n\n<p><strong>\u00daltima\nrevisi\u00f3n:<\/strong>\nRevisi\u00f3n A.<\/p>\n\n\n\n<p><strong>Fuente:<\/strong> Cisco Security Advisories and Alerts<\/p>\n\n\n\n<p><strong>Sistemas\nAfectados <\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Cisco Small Business 200\nSeries Smart Switches <\/li><li>Cisco Small Business 300\nSeries Managed Switches <\/li><li>Cisco Small Business 500\nSeries Stackable Managed Switches <\/li><li>Cisco 250 Series Smart\nSwitches <\/li><li>Cisco 350 Series Managed\nSwitches <\/li><li>Cisco 350X Series Stackable\nManaged Switches <\/li><li>Cisco 550X Series Stackable\nManaged Switches<\/li><\/ul>\n\n\n\n<p><strong>I.\nDescripci\u00f3n<\/strong><\/p>\n\n\n\n<p>La empresa\nCisco ha publicado vulnerabilidad critica que podr\u00eda afectar a los switches con\nel ID de asesoramiento cisco-sa-20181107-sbsw-privacc.\nVulnerabilidad en software de los switches que podr\u00eda\npermitir a un atacante remoto eludir el control de autenticado. &nbsp;Referencia: CWE-298 y CVE-2018-15439. <\/p>\n\n\n\n<p>La configuraci\u00f3n predeterminada de los dispositivos\nvulnerables incluye una cuenta de usuario privilegiado predeterminado para\ninicio de sesi\u00f3n inicial y no se puede eliminar del sistema. Cisco no ha\nlanzado actualizaciones de software que aborde esta vulnerabilidad.<\/p>\n\n\n\n<p>Una soluci\u00f3n alternativa es crear otro usuario privilegiado\nen el nivel 15 y deshabilitar el usuario predeterminado sin eliminarlo.<\/p>\n\n\n\n<p>Puede consultar la secci\u00f3n III. Referencia, para mayores\ndetalles.<\/p>\n\n\n\n<p><strong>II.\nImpacto<\/strong><\/p>\n\n\n\n<p><strong>Complejidad\nde Acceso:<\/strong>\nCritica.<\/p>\n\n\n\n<p><strong>Autenticaci\u00f3n:<\/strong> No requerida para\nexplotarla.<\/p>\n\n\n\n<p><strong>Tipo\nde impacto:<\/strong>\nCompromiso parcial o total del sistema.<\/p>\n\n\n\n<p><strong>III.\nReferencia a soluciones, herramientas e informaci\u00f3n<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><a href=\"https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20181107-sbsw-privacc\">https:\/\/tools.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-20181107-sbsw-privacc<\/a><\/li><\/ol>\n\n\n\n<p><strong>IV.\nInformaci\u00f3n de contacto<\/strong><\/p>\n\n\n\n<p>CSIRT PANAMA<\/p>\n\n\n\n<p>Autoridad Nacional para la\nInnovaci\u00f3n Gubernamental<\/p>\n\n\n\n<p>E-Mail: info@cert.pa<\/p>\n\n\n\n<p>Web:&nbsp;&nbsp; http:\/\/www.cert.pa<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CSIRT Panam\u00e1 Aviso 2019-1-24 Cisco publica vulnerabilidad critica de seguridad en switches. Gravedad: Cr\u00edtica Fecha de publicaci\u00f3n: enero 24, 2019 Fecha de modificaci\u00f3n: enero 24, 2018 \u00daltima revisi\u00f3n: Revisi\u00f3n A. Fuente: Cisco Security Advisories and&#8230;<\/p>\n","protected":false},"author":5,"featured_media":448,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-1337","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-avisos-de-seguridad"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/cert.pa\/index.php?rest_route=\/wp\/v2\/posts\/1337","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cert.pa\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cert.pa\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cert.pa\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/cert.pa\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1337"}],"version-history":[{"count":1,"href":"https:\/\/cert.pa\/index.php?rest_route=\/wp\/v2\/posts\/1337\/revisions"}],"predecessor-version":[{"id":1338,"href":"https:\/\/cert.pa\/index.php?rest_route=\/wp\/v2\/posts\/1337\/revisions\/1338"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cert.pa\/index.php?rest_route=\/wp\/v2\/media\/448"}],"wp:attachment":[{"href":"https:\/\/cert.pa\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1337"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cert.pa\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1337"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cert.pa\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1337"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}