{"id":102205,"date":"2018-05-22T07:49:11","date_gmt":"2018-05-22T05:49:11","guid":{"rendered":"https:\/\/www.deskmodder.de\/blog\/?p=102205"},"modified":"2023-01-14T17:11:32","modified_gmt":"2023-01-14T16:11:32","slug":"cve-2018-3639-spectre-variante-4-von-microsoft-und-intel-beschrieben","status":"publish","type":"post","link":"https:\/\/www.deskmodder.de\/blog\/2018\/05\/22\/cve-2018-3639-spectre-variante-4-von-microsoft-und-intel-beschrieben\/","title":{"rendered":"CVE-2018-3639 Spectre Variante 4 von Microsoft und Intel beschrieben"},"content":{"rendered":"<p>Spectre und Meltdown haben uns doch einen ganz sch\u00f6nen Schreck eingejagt. Obwohl noch nicht wirklich ausgenutzt, will man doch auf der sicheren Seite sein und sein Bios oder wenigstens ein Softwareupdate einspielen. F\u00fcr die <a href=\"https:\/\/www.deskmodder.de\/blog\/2018\/05\/16\/kb4100347-windows-10-1803-microcode-update-steht-nun-bereit-manueller-download\/\" rel=\"noopener\" target=\"_blank\">Windows 10 1803<\/a> und auch die <a href=\"https:\/\/support.microsoft.com\/de-de\/help\/4090007\/intel-microcode-updates\" rel=\"noopener\" target=\"_blank\">Vorg\u00e4ngerversionen<\/a> hat Microsoft bereits die Updates bereitgestellt.<\/p>\n<p>Jetzt haben Intel und auch Microsoft eine neue  Unterklasse von Spectre, die Variante 4 (Speculative Store Bypass (SSB)) die CVE-2018-3639 zugewiesen. Die <a href=\"http:\/\/cve.mitre.org\/cgi-bin\/cvename.cgi?name=CVE-2018-3640\" rel=\"noopener\" target=\"_blank\">CVE-2018-3640<\/a> hat man derzeit noch reserviert. <em>&#8222;Ein Angreifer, der diese Sicherheitsanf\u00e4lligkeit erfolgreich ausgenutzt hat, kann in der Lage sein, privilegierte Daten \u00fcber Sicherheitsgrenzen hinweg zu lesen. Anf\u00e4llige Codemuster im Betriebssystem (OS) oder in Anwendungen k\u00f6nnen es einem Angreifer erm\u00f6glichen, diese Anf\u00e4lligkeit auszunutzen.&#8220;<\/em><\/p>\n<p>Diese L\u00fccke wurde bisher noch nicht ausgenutzt, sodass wir uns vorerst <strong>keine<\/strong> Sorgen machen m\u00fcssen. Denn auch die verschiedenen Browser haben in den aktuellen Versionen Vorkehrungen getroffen, die die Umgehung der L\u00fccken erschwert. Diese L\u00fccke betrifft nicht nur Intel-CPUs, sondern auch AMD-CPUs. Hier arbeiten alle Firmen zusammen. Microsoft hat hier angek\u00fcndigt, dass man sofort ein Update bereitstellen wird, wenn ein anf\u00e4lliges Codemuster gefunden wird.<\/p>\n<p>Es ist lobenswert, dass die Firmen nun schon vorab die Meldungen \u00fcber die L\u00fccken herausgeben, bevor andere wieder mit irgendwelchen Spekulationen die Nutzer in Panik versetzen. Wer mehr \u00fcber das Thema lesen m\u00f6chte, findet die Ank\u00fcndigung unter <a href=\"https:\/\/portal.msrc.microsoft.com\/en-US\/security-guidance\/advisory\/ADV180012\" rel=\"noopener\" target=\"_blank\">portal.msrc.microsoft.com<\/a> und <a href=\"https:\/\/newsroom.intel.com\/editorials\/addressing-new-research-for-side-channel-analysis\/\" rel=\"noopener\" target=\"_blank\">newsroom.intel.com<\/a>. Auch auf <a href=\"https:\/\/bugs.chromium.org\/p\/project-zero\/issues\/detail?id=1528\" rel=\"noopener\" target=\"_blank\">bugs.chromium.org<\/a> wurde der Status nun als &#8222;Fixed&#8220; gekennzeichnet.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spectre und Meltdown haben uns doch einen ganz sch\u00f6nen Schreck eingejagt. Obwohl noch nicht wirklich ausgenutzt, will man doch auf der sicheren Seite sein und sein Bios oder wenigstens ein Softwareupdate einspielen. F\u00fcr die Windows 10 1803 und auch die&hellip; <\/p>\n","protected":false},"author":134,"featured_media":92066,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1286,2689,11],"tags":[4246,4047,1763,37524,37528,574,28539,148,480,11853,37525,37526],"class_list":["post-102205","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hardware","category-windows-10","category-windows","tag-amd","tag-ankuendigung","tag-cpu","tag-cve-2018-3639","tag-cve-2018-3640","tag-intel","tag-meltdown","tag-microsoft","tag-sicherheitslucke","tag-spectre","tag-spectre-variant-4","tag-unterklasse-spectre"],"wp_featured_image":{"id":92066,"alt_text":"http:\/\/www.stockvault.net\/photo\/174251\/cyber-security-concept","description":"","media_type":"image","media_details":{"width":1205,"height":927,"file":"2017\/10\/stockvault-cyber-security-concept174251.jpg","sizes":{"thumbnail":{"file":"stockvault-cyber-security-concept174251-266x205.jpg","width":266,"height":205,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-266x205.jpg"},"medium":{"file":"stockvault-cyber-security-concept174251-468x360.jpg","width":468,"height":360,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-468x360.jpg"},"large":{"file":"stockvault-cyber-security-concept174251-758x583.jpg","width":758,"height":583,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-758x583.jpg"},"wp_review_large":{"file":"stockvault-cyber-security-concept174251-320x200.jpg","width":320,"height":200,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-320x200.jpg"},"wp_review_small":{"file":"stockvault-cyber-security-concept174251-65x65.jpg","width":65,"height":65,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-65x65.jpg"},"blog-large":{"file":"stockvault-cyber-security-concept174251-642x300.jpg","width":642,"height":300,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-642x300.jpg"},"blog-medium":{"file":"stockvault-cyber-security-concept174251-306x205.jpg","width":306,"height":205,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-306x205.jpg"},"recent-thumb":{"file":"stockvault-cyber-security-concept174251-350x316.jpg","width":350,"height":316,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-350x316.jpg"},"service-featured":{"file":"stockvault-cyber-security-concept174251-600x330.jpg","width":600,"height":330,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-600x330.jpg"},"wp_rp_thumbnail":{"file":"stockvault-cyber-security-concept174251-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251-150x150.jpg"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"Security concept - Locks on digital screen","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"Security concept - Locks on digital screen","orientation":"1","keywords":["cyber","internet","network","password","crime","web","hacker","technology","security","computer","virus","online","abstract","background","tech","isolated","black","phishing","danger","data","protect","attack","information","system","code","digital","binary","hack","protection","locks","concept","screen","padlocks","access","key","safe","icon","secure","pad","privacy","safety","hole","keyhole","display","green","unlock","guard","open","secrecy","phone","login","net","lockout","authorization","pixel","mobile","close","encryption","software","safeguard","business","matrix","coding","cyberspace","dark","policy","antivirus","crack","symbol","closed","pixelated","generated","program","steal","user","red","interface","id","graphic","one","gui","touch","pc","unknown","person","spy","cracker","thief","silhouette","image","criminal","man","identity","digitally","hand","communication","hacking","fraud","scene","laptop","green","identity theft","police","tape","confiscated","cybercrime","barricade","number","cipher","evidence","line","investigation","worm","bot"]}},"post":92065,"source_url":"https:\/\/www.deskmodder.de\/blog\/wp-content\/uploads\/2017\/10\/stockvault-cyber-security-concept174251.jpg"},"commentcount":5,"wp_comments":[{"id":73699,"parent":0,"author":0,"author_name":"suppenhahn","author_email":"vinduw.hernfa@quoten-osi.at","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/c247aef71359e1646192b3fab9190e5bf08fee4f50d57237d461ab0b93e7b4d7?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/c247aef71359e1646192b3fab9190e5bf08fee4f50d57237d461ab0b93e7b4d7?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/c247aef71359e1646192b3fab9190e5bf08fee4f50d57237d461ab0b93e7b4d7?s=96&d=mm&r=g"},"date":"2018-05-22T11:08:08","cld_nonce":"77f77ffd2f","content":{"rendered":"<p>&#8222;sodass wir uns vorerst keine Sorgen machen m\u00fcssen&#8220;<br \/>\nh\u00e4?<br \/>\nnach mir aba keene Sorgen nicht, warum auch, bzw. machte mir, wenn, \u00fcber wirkliche Einschr\u00e4nkungen viel eher Sorgen.<br \/>\nF\u00fcr Otto-Normal sind dero L\u00fccken doch weitgehend wenig interessant. Wer greift denn mit hohem Aufwand ein Rechnerlein bei nachbars an, wer?!?<br \/>\nWenn gehts um z.B. Serverfarmen oder\/und das, was man klaud nennt. Um die man f\u00fcr pers\u00f6nl. Daten  eh einen Bogen machen sollte.<\/p>\n"},"status":"1"},{"id":73701,"parent":0,"author":2673,"author_name":"Tommy1967","author_email":"thomas.bauer1967@yahoo.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/b543c356018d1eae65a01e24901f591e8d1eeb364b94c1b9a79847abaf75beec?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/b543c356018d1eae65a01e24901f591e8d1eeb364b94c1b9a79847abaf75beec?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/b543c356018d1eae65a01e24901f591e8d1eeb364b94c1b9a79847abaf75beec?s=96&d=mm&r=g"},"date":"2018-05-22T11:26:28","cld_nonce":"77f77ffd2f","content":{"rendered":"<p>Da werden wohl zuk\u00fcnftig noch viel mehr CPU L\u00fccken auftauchen. Wenn die dann alle gefixed sind ist die CPU noch halb so schnell. So kann man auch neue Rechner verkaufen.<\/p>\n"},"status":"1"},{"id":73703,"parent":0,"author":0,"author_name":"Skywriter","author_email":"weira91@muenster.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/c5bccf68566c8dabaf444ce56961cb40cc72e38e839805944c9b2756ab745fdb?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/c5bccf68566c8dabaf444ce56961cb40cc72e38e839805944c9b2756ab745fdb?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/c5bccf68566c8dabaf444ce56961cb40cc72e38e839805944c9b2756ab745fdb?s=96&d=mm&r=g"},"date":"2018-05-22T12:09:56","cld_nonce":"77f77ffd2f","content":{"rendered":"<p>write:Seht zu, wie ihr die Sicherheitsl\u00fccken findet!<br \/>\nk\u00f6nnten verschiedene Stellen sagen  &#8230;<br \/>\nOder glaubt ihr, die Wissenden posaunen es im Netz herum!?<br \/>\n<i>gepostet mit der <a href=\"https:\/\/www.microsoft.com\/store\/apps\/9wzdncrdfx92\" >Deskmodder.de-App<\/a><\/i><\/p>\n"},"status":"1"},{"id":73714,"parent":0,"author":0,"author_name":"ich","author_email":"taataa@live.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/8427d1f7cb38ccaedc17a807d87d2b0991f53bcd2eebd05ae6469e6b0df7e206?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/8427d1f7cb38ccaedc17a807d87d2b0991f53bcd2eebd05ae6469e6b0df7e206?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/8427d1f7cb38ccaedc17a807d87d2b0991f53bcd2eebd05ae6469e6b0df7e206?s=96&d=mm&r=g"},"date":"2018-05-22T15:29:51","cld_nonce":"77f77ffd2f","content":{"rendered":"<p>so wie wir das ab dan sehen, schon eine schwere sache :p<\/p>\n"},"status":"1"},{"id":73724,"parent":0,"author":4418,"author_name":"Manny","author_email":"bluediversion63@hotmail.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/4df3fc4a774b00d7ea170af066c29586b73adb8f28bbf23cfbfccfadd55d8136?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/4df3fc4a774b00d7ea170af066c29586b73adb8f28bbf23cfbfccfadd55d8136?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/4df3fc4a774b00d7ea170af066c29586b73adb8f28bbf23cfbfccfadd55d8136?s=96&d=mm&r=g"},"date":"2018-05-22T18:15:14","cld_nonce":"77f77ffd2f","content":{"rendered":"<p>das ganze Thema an sich entwickelt sich zu einer <b> Never Ending Story<\/b> und man kann davon ausgehen das es wohl &#8222;Ewigkeiten&#8220; braucht f\u00fcr alles Softwarefixes zu erstellen &#8211; geschweige denn Updates der Biosfirmware &#8211; gerade beim Unterschied Intel und AMD sieht man ja das die da nicht mehr nachkommen<\/p>\n"},"status":"1"}],"wp_author":{"id":134,"name":"moinmoin","description":"Ich bin nicht allwissend, was <a href=\"https:\/\/www.deskmodder.de\/wiki\/index.php?title=Kategorie:Windows_11\">Windows<\/a> angeht. Aber genau deshalb nehme ich Windows gerne auseinander und unter die Lupe, um all mein Wissen zu erweitern. <i>J\u00fcrgen<\/i>","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/fab96769102f8886245ab411df9a42a235be79261e4b44aa7ab2a555da8b86b4?s=96&d=mm&r=g"}},"cld_nonce":"77f77ffd2f","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>CVE-2018-3639 Spectre Variante 4 von Microsoft und Intel beschrieben - Deskmodder.de<\/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:\/\/www.deskmodder.de\/blog\/2018\/05\/22\/cve-2018-3639-spectre-variante-4-von-microsoft-und-intel-beschrieben\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CVE-2018-3639 Spectre Variante 4 von Microsoft und Intel beschrieben\" \/>\n<meta property=\"og:description\" content=\"Spectre und Meltdown haben uns doch einen ganz sch\u00f6nen Schreck eingejagt. Obwohl noch nicht wirklich ausgenutzt, will man doch auf der sicheren Seite sein und sein Bios oder wenigstens ein Softwareupdate einspielen. 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