{"id":168358,"date":"2022-08-10T15:23:41","date_gmt":"2022-08-10T13:23:41","guid":{"rendered":"https:\/\/www.deskmodder.de\/blog\/?p=168358"},"modified":"2022-08-10T17:04:13","modified_gmt":"2022-08-10T15:04:13","slug":"intel-cpus-mit-einer-weiteren-schwachstelle-aepic-kann-sensible-daten-aus-dem-zwischenspeicher-auslesen","status":"publish","type":"post","link":"https:\/\/www.deskmodder.de\/blog\/2022\/08\/10\/intel-cpus-mit-einer-weiteren-schwachstelle-aepic-kann-sensible-daten-aus-dem-zwischenspeicher-auslesen\/","title":{"rendered":"Intel CPUs mit einer weiteren Schwachstelle – \u00c6PIC kann sensible Daten aus dem Zwischenspeicher auslesen"},"content":{"rendered":"

Ein Team hat eine neue Sicherheitsl\u00fccke in Intel CPUs entdeckt, die auf den Namen \u00c6PIC getauft wurde. Diese L\u00fccke betrifft derzeit CPUs aus dem Jahre 2019 bis 2021, Ice Lake und Alder Lake. Weitere k\u00f6nnen durchaus noch folgen.<\/p>\n

\"http:\/\/www.stockvault.net\/photo\/174251\/cyber-security-concept\"<\/a><\/p>\n

Intel selber ist seit gestern dabei Updates f\u00fcr die betroffenen Prozessoren auszuliefern. Denn die L\u00fccke ist wirklich gravierend und weniger aufw\u00e4ndig auszunutzen wie es noch bei Meltdown, Spectre, LVI und Zombieload notwendig war. Der Name \u00c6PIC wurde deshalb genommen, da es sich um die APICs in einer CPU mit mehreren Kernen handelt. Diese regeln die Anfragen, welcher Kern welche Aufgabe \u00fcbernehmen soll.<\/p>\n

„Wir haben entdeckt, dass APIC beim Einstellen der Informationen in die Superqueue nicht wie gedacht, alle \u00e4lteren Daten in der Superqueue l\u00f6scht. Die Informationen \u00fcberschreiben aber nur einen kleinen Teil der Daten. \u00c4ltere Daten bleiben bestehen und die CPU kann auch ohne entsprechende Berechtigung darauf zugreifen“<\/em><\/p>\n

Dies gilt auch f\u00fcr hochsensible Daten, die in den besonders gesch\u00fctzten Bereichen abgelegt wurden. „Der Prozessorhersteller Intel hat auf das neuerliche Datenleck mit der Ver\u00f6ffentlichung wichtiger Updates reagiert, die die Nutzer:innen schnellstm\u00f6glich installieren sollten.“<\/em><\/p>\n

Ob diese neue L\u00fccke bisher ausgenutzt wurde, konnte das Team nicht beantworten. Aber wichtig ist, dass Intel schnell reagiert hat und ihr das Update dann auch schnell installiert. Es wird sicherlich dazu dann eine Meldung von Intel geben. Die L\u00fccke selber wird dann sicherlich auch hier dokumentiert<\/a>.<\/p>\n

Quelle: cispa.de\/aepic<\/a><\/div>\n

Danke unter anderem auch an Andreas f\u00fcr den Hinweis.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Ein Team hat eine neue Sicherheitsl\u00fccke in Intel CPUs entdeckt, die auf den Namen \u00c6PIC getauft wurde. Diese L\u00fccke betrifft derzeit CPUs aus dem Jahre 2019 bis 2021, Ice Lake und Alder Lake. Weitere k\u00f6nnen durchaus noch folgen. Intel selber… <\/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],"tags":[81323,83629,83497,15039,480],"class_list":["post-168358","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hardware","tag-alder-lake","tag-aepic","tag-ice-lake","tag-intel-cpu","tag-sicherheitslucke"],"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":6,"wp_comments":[{"id":217787,"parent":0,"author":2038,"author_name":"GwenDragon","author_email":"info@gwendragon.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/ab9cf037d6cbcba5c651656468693c8727c7122d9141dfa149b5ce8cc5923c48?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/ab9cf037d6cbcba5c651656468693c8727c7122d9141dfa149b5ce8cc5923c48?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/ab9cf037d6cbcba5c651656468693c8727c7122d9141dfa149b5ce8cc5923c48?s=96&d=mm&r=g"},"date":"2022-08-10T15:32:49","cld_nonce":"fe11432c8d","content":{"rendered":"

Ist das von Intel dann Firmware wie Microcode?<\/p>\n"},"status":"1"},{"id":217789,"parent":217787,"author":134,"author_name":"moinmoin","author_email":"moin-moin@hab-verschlafen.de","author_url":"","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"},"date":"2022-08-10T15:44:15","cld_nonce":"fe11432c8d","content":{"rendered":"

Vermutlich. Aber da m\u00fcssen wir wohl auf die Info von Intel warten.<\/p>\n"},"status":"1"},{"id":217796,"parent":0,"author":0,"author_name":"Hans","author_email":"hkremb@gmx.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/d4037332892cdee1a6481713acd311828c8497d227051f4612071bc088386da1?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/d4037332892cdee1a6481713acd311828c8497d227051f4612071bc088386da1?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/d4037332892cdee1a6481713acd311828c8497d227051f4612071bc088386da1?s=96&d=mm&r=g"},"date":"2022-08-10T16:20:23","cld_nonce":"fe11432c8d","content":{"rendered":"

Kann man mal erw\u00e4hnen, dass das ein Team aus dem Saarland war.<\/p>\n"},"status":"1"},{"id":217799,"parent":0,"author":2483,"author_name":"MrX1980","author_email":"dfinken@web.de","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/14d16a4a4d8343b8eae9de25d7c303406db1f32cd99c34fe0147c9c71261fcfa?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/14d16a4a4d8343b8eae9de25d7c303406db1f32cd99c34fe0147c9c71261fcfa?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/14d16a4a4d8343b8eae9de25d7c303406db1f32cd99c34fe0147c9c71261fcfa?s=96&d=mm&r=g"},"date":"2022-08-10T16:33:12","cld_nonce":"fe11432c8d","content":{"rendered":"

Und bei AMD hat man die L\u00fccke „Squip“ gefunden:
\nhttps:\/\/www.golem.de\/news\/intel-amd-neue-sicherheitsluecken-in-prozessoren-sgx-betroffen-2208-167487-2.html<\/a><\/p>\n"},"status":"1"},{"id":217801,"parent":217796,"author":134,"author_name":"moinmoin","author_email":"moin-moin@hab-verschlafen.de","author_url":"","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"},"date":"2022-08-10T17:06:03","cld_nonce":"fe11432c8d","content":{"rendered":"

….zusammen mit einem internationalen Forschungsteam<\/p>\n"},"status":"1"},{"id":217833,"parent":0,"author":5902,"author_name":"Neutronenstern","author_email":"a-l-i-a-s_hauptadresse@gmx.net","author_url":"","author_avatar_urls":{"24":"https:\/\/secure.gravatar.com\/avatar\/8c25b09a32824c05155884fe1abbca079f9e599f7086b85345259e472dc58368?s=24&d=mm&r=g","48":"https:\/\/secure.gravatar.com\/avatar\/8c25b09a32824c05155884fe1abbca079f9e599f7086b85345259e472dc58368?s=48&d=mm&r=g","96":"https:\/\/secure.gravatar.com\/avatar\/8c25b09a32824c05155884fe1abbca079f9e599f7086b85345259e472dc58368?s=96&d=mm&r=g"},"date":"2022-08-11T01:50:10","cld_nonce":"fe11432c8d","content":{"rendered":"

Bei PCGH habe ich gelesen, dass diese L\u00fccke nur bei Cloud-Servern eine rolle spielt.<\/p>\n"},"status":"1"}],"wp_author":{"id":134,"name":"moinmoin","description":"Ich bin nicht allwissend, was Windows<\/a> angeht. Aber genau deshalb nehme ich Windows gerne auseinander und unter die Lupe, um all mein Wissen zu erweitern. 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":"fe11432c8d","yoast_head":"\nIntel CPUs mit einer weiteren Schwachstelle - \u00c6PIC kann sensible Daten aus dem Zwischenspeicher auslesen - 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\/2022\/08\/10\/intel-cpus-mit-einer-weiteren-schwachstelle-aepic-kann-sensible-daten-aus-dem-zwischenspeicher-auslesen\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Intel CPUs mit einer weiteren Schwachstelle - \u00c6PIC kann sensible Daten aus dem Zwischenspeicher auslesen\" \/>\n<meta property=\"og:description\" content=\"Ein Team hat eine neue Sicherheitsl\u00fccke in Intel CPUs entdeckt, die auf den Namen \u00c6PIC getauft wurde. Diese L\u00fccke betrifft derzeit CPUs aus dem Jahre 2019 bis 2021, Ice Lake und Alder Lake. Weitere k\u00f6nnen durchaus noch folgen. 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