{"id":553,"date":"2014-12-23T14:12:10","date_gmt":"2014-12-23T13:12:10","guid":{"rendered":"http:\/\/lestfrexgn.cluster020.hosting.ovh.net\/?p=553"},"modified":"2014-12-23T14:12:10","modified_gmt":"2014-12-23T13:12:10","slug":"internet-explorer-mise-a-jour-decembre-2014","status":"publish","type":"post","link":"https:\/\/les2t.fr\/en_us\/internet-explorer-mise-a-jour-decembre-2014\/","title":{"rendered":"Internet Explorer &#8211; Mise \u00e0 jour d\u00e9cembre 2014"},"content":{"rendered":"<p><a href=\"https:\/\/les2t.fr\/wp-content\/uploads\/2014\/09\/ie11.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-295 aligncenter\" src=\"https:\/\/les2t.fr\/wp-content\/uploads\/2014\/09\/ie11-300x120.jpg\" alt=\"ie11\" width=\"300\" height=\"120\" srcset=\"https:\/\/les2t.fr\/wp-content\/uploads\/2014\/09\/ie11-300x120.jpg 300w, https:\/\/les2t.fr\/wp-content\/uploads\/2014\/09\/ie11.jpg 355w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Au menu de d\u00e9cembre 2014 : mises \u00e0 jour de s\u00e9curit\u00e9 &amp; d\u00e9sactivation de SSL 3.0 fallback<!--more--><\/p>\n<ul>\n<li><strong>D\u00e9sactivation de SSL 3.0 Fallback<\/strong><\/li>\n<\/ul>\n<p>Microsoft avait d\u00e9j\u00e0 publi\u00e9 un avis de s\u00e9curit\u00e9 : <a href=\"https:\/\/technet.microsoft.com\/library\/security\/3009008.aspx\" target=\"_blank\">3009008\u00a0<\/a> informant qu\u2019il allait d\u00e9sactiver SSL 3.0 par d\u00e9faut dans Internet Explorer et dans l&rsquo;ensemble de tous ses services en ligne dans les prochains mois.<br \/>\nEn attendent la d\u00e9sactivation compl\u00e8te, Microsoft passe par une \u00e9tape interm\u00e9diaire pour fournir l&rsquo;option de d\u00e9sactiver SSL 3.0 Fallback dans Internet Explorer 11 pour les sites en Mode prot\u00e9g\u00e9, (valeur par d\u00e9faut pour les sites Internet et sites sensibles). Ce changement est actuellement en mode\u00a0d\u00e9sactiv\u00e9 par d\u00e9faut, et ils ont l&rsquo;intention de l\u2019activer par d\u00e9faut dans Internet Explorer 11 \u00e0 compter du 10 f\u00e9vrier 2015.<\/p>\n<ul>\n<li><strong>SSL 3.0 Fallback ?<\/strong><\/li>\n<\/ul>\n<p>La vuln\u00e9rabilit\u00e9 SSL 3.0 de POODLE se traduit par une faiblesse non seulement dans le protocole SSL 3.0, mais aussi dans la mani\u00e8re qu\u2019on les navigateurs de n\u00e9gocier une connexion HTTPS avec des serveurs web. En interf\u00e9rant avec la connexion entre le client et le serveur, un man-in-the-middle peut forcer un downgrade de TLS 1.0 ou des protocoles plus r\u00e9cents, plus s\u00fbrs, vers le protocole SSL 3.0.<br \/>\nG\u00e9n\u00e9ralement lorsqu&rsquo;un navigateur se connecte \u00e0 un site Web HTTPS, il essaie d&rsquo;abord de le faire en utilisant le protocole de cryptage plus \u00e9lev\u00e9 disponible. Si cette connexion \u00e9choue, le navigateur va retentez la connexion avec un protocole de chiffrement plus faible, finalement il finira par utiliser SSL 3.0.<\/p>\n<p>Il est impossible de distinguer une attaque man-in-the-middle d\u2019une erreur de n\u00e9gociation.<\/p>\n<ul>\n<li><strong>CU de d\u00e9cembre et blocage de SSL 3.0 Fallback ?<\/strong><\/li>\n<\/ul>\n<p>La mise \u00e0 jour cumulative de d\u00e9cembre 2014 pour Internet Explorer 11 (<a href=\"http:\/\/support.microsoft.com\/kb\/3008923http:\/\/support.microsoft.com\/kb\/3008923\" target=\"_blank\">kb3008923<\/a>), permet aux utilisateurs le blocage de SSL 3.0 Fallback. Les entreprises sont en mesure de configurer ce comportement via la strat\u00e9gie de groupe ou le registre.<\/p>\n<p>Plus de d\u00e9tail concernant cette configuration : <a href=\"http:\/\/support.microsoft.com\/kb\/3013210\" target=\"_blank\">http:\/\/support.microsoft.com\/kb\/3013210<\/a><\/p>\n<ul>\n<li><strong>Mises \u00e0 jour de s\u00e9curit\u00e9<\/strong>\n<ul>\n<li>Bulletin de s\u00e9curit\u00e9 Microsoft MS14-080 &#8211; cette mise \u00e0 jour de s\u00e9curit\u00e9 critique r\u00e9sout quatorze des vuln\u00e9rabilit\u00e9s signal\u00e9es confidentiellement dans Internet Explorer. Pour plus d&rsquo;informations, consultez le <a href=\"https:\/\/technet.microsoft.com\/library\/security\/ms14-080\" target=\"_blank\">bulletin <\/a><\/li>\n<li>Mise \u00e0 jour de s\u00e9curit\u00e9 pour Flash Player (3008925) &#8211; cette mise \u00e0 jour de s\u00e9curit\u00e9 pour Adobe Flash Player dans Internet Explorer 10 et 11 sur Windows 8, Windows 8.1 et Windows Server 2012 et R2 de Windows Server 2012 est \u00e9galement disponible. Les d\u00e9tails des vuln\u00e9rabilit\u00e9s d\u00e9crites dans le bulletin de s\u00e9curit\u00e9 Adobe <a href=\"http:\/\/helpx.adobe.com\/security\/products\/flash-player\/apsb14-27.html\" target=\"_blank\">APSB14-27<\/a> . Cette mise \u00e0 jour corrige des vuln\u00e9rabilit\u00e9s dans Adobe Flash Player en mettant \u00e0 jour les binaires, contenus dans Internet Explorer 10 et 11.<\/li>\n<\/ul>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Au menu de d\u00e9cembre 2014 : mises \u00e0 jour de s\u00e9curit\u00e9 &amp; d\u00e9sactivation de SSL 3.0 fallback<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[42,23],"tags":[30,44,43,36,27,52,24,25,26],"class_list":["post-553","post","type-post","status-publish","format-standard","hentry","category-internet-explorer-11","category-patch-tuesday","tag-correctif","tag-ie","tag-internet-explorer","tag-microsoft","tag-mises-a-jour","tag-navigateur","tag-patch","tag-tuesday","tag-update-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Internet Explorer - Mise \u00e0 jour d\u00e9cembre 2014 - Les2T<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/les2t.fr\/en_us\/internet-explorer-mise-a-jour-decembre-2014\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Internet Explorer - Mise \u00e0 jour d\u00e9cembre 2014 - Les2T\" \/>\n<meta property=\"og:description\" content=\"Au menu de d\u00e9cembre 2014 : mises \u00e0 jour de s\u00e9curit\u00e9 &amp; 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