{"id":21432,"date":"2021-07-20T16:46:20","date_gmt":"2021-07-20T14:46:20","guid":{"rendered":"https:\/\/www.praim.com\/?p=21432"},"modified":"2023-01-27T17:45:06","modified_gmt":"2023-01-27T16:45:06","slug":"la-vulnerabilidad-printnightmare","status":"publish","type":"post","link":"https:\/\/www.praim.com\/es\/news\/la-vulnerabilidad-printnightmare\/","title":{"rendered":"La vulnerabilidad PrintNightmare"},"content":{"rendered":"<p style=\"text-align: justify;\">En los \u00faltimos d\u00edas <strong>ha surgido una criticidad en los sistemas de Microsoft<\/strong> (<a class=\"external-link\" href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-34527\" rel=\"nofollow\">https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2021-34527<\/a>) que permite a un atacante ejecutar c\u00f3digo malicioso de forma privilegiada, utilizando Print Spooler ejecut\u00e1ndose autom\u00e1ticamente de forma predeterminada en los dispositivos.<\/p>\n<p style=\"text-align: justify;\">El problema afecta pr\u00e1cticamente a todas las versiones recientes de Windows, tanto de escritorio como de servidor.<\/p>\n<p style=\"text-align: justify;\">Mientras esperamos para verificar si la actualizaci\u00f3n de Microsoft\u00a0<a class=\"external-link\" href=\"https:\/\/support.microsoft.com\/it-it\/topic\/july-6-2021-kb5004959-security-only-update-out-of-band-fd84581b-b55f-442c-a623-1cedf6da2ed3\" rel=\"nofollow\">KB5004959<\/a>\u00a0realmente resuelve el problema, es posible deshabilitar los servicios de Print Spooler directamente <strong>a trav\u00e9s de la consola ThinMan<\/strong>, en el men\u00fa\u00a0<strong><em>Device update \u2192 Praim Update\u00a0Installation<\/em><\/strong> (<a class=\"external-link\" href=\"https:\/\/wiki.praim.com\/en\/ThinMan\/Object_Contextual_Menu\/Contextual_Menu_-_Device_Update_Windows_Devices_only_\" rel=\"nofollow\">wiki<\/a>).<\/p>\n<p style=\"text-align: justify;\">El powershell debe contener los siguientes comandos:<\/p>\n<div class=\"table-wrap\" style=\"text-align: justify;\">\n<table class=\"wrapped confluenceTable\">\n<colgroup>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<td class=\"confluenceTd\"><code class=\"powershell keyword\">Stop-Service<\/code>\u00a0<code class=\"powershell keyword\">-Name<\/code>\u00a0<code class=\"powershell plain\">Spooler\u00a0<\/code><code class=\"powershell keyword\">-Force<\/code><br \/>\n<code class=\"powershell keyword\">Set-Service<\/code>\u00a0<code class=\"powershell keyword\">-Name<\/code>\u00a0<code class=\"powershell plain\">Spooler\u00a0<\/code><code class=\"powershell keyword\">-StartupType<\/code>\u00a0<code class=\"powershell plain\">Disabled<\/code><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<p class=\"auto-cursor-target\" style=\"text-align: justify;\"><span class=\"VIiyi\" lang=\"es\"><span class=\"JLqJ4b ChMk0b\">Al deshabilitar el servicio, el dispositivo ya no funcionar\u00e1 como servidor de impresi\u00f3n, mientras que la impresi\u00f3n desde el dispositivo funcionar\u00e1 normalmente.<\/span><\/span><\/p>\n<p class=\"auto-cursor-target\" style=\"text-align: justify;\"><span class=\"VIiyi\" lang=\"es\"><span class=\"JLqJ4b ChMk0b\">Tan pronto como se confirme la correcci\u00f3n del parche\u00a0<a class=\"external-link\" href=\"https:\/\/support.microsoft.com\/it-it\/topic\/july-6-2021-kb5004959-security-only-update-out-of-band-fd84581b-b55f-442c-a623-1cedf6da2ed3\" rel=\"nofollow\">KB5004959<\/a>, lanzaremos una <strong>actualizaci\u00f3n para nuestros sistemas basados \u200b\u200ben Windows.<\/strong><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En los \u00faltimos d\u00edas ha surgido una criticidad  &#8230;<\/p>\n","protected":false},"author":15,"featured_media":21437,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[518],"tags":[],"class_list":["post-21432","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archivo"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>La vulnerabilidad PrintNightmare &#8211; 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