{"id":84985,"date":"2020-06-12T13:42:15","date_gmt":"2020-06-12T11:42:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/arm-prohudilas-obnaruzhilas-isklyuchitelnaya-uyazvimost-dlya-ataki-na-spekulyativnye-vychisleniya"},"modified":"2020-06-12T13:42:15","modified_gmt":"2020-06-12T11:42:15","slug":"arm-prohudilas-obnaruzhilas-isklyuchitelnaya-uyazvimost-dlya-ataki-na-spekulyativnye-vychisleniya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/arm-prohudilas-obnaruzhilas-isklyuchitelnaya-uyazvimost-dlya-ataki-na-spekulyativnye-vychisleniya","title":{"rendered":"ARM ka p\u00ebsuar: \u00ebsht\u00eb zbuluar nj\u00eb vunerabilitet i ve\u00e7ant\u00eb p\u00ebr sulmin ndaj llogaritjeve spekulative.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u00ebr procesor\u00ebt me nj\u00eb gam\u00eb t\u00eb gjer\u00eb arkitekturash Armv8-A (Cortex-A) u gjet<\/a><\/noindex> nj\u00eb vulnerabilitet unik p\u00ebr sulmet p\u00ebrmes kanaleve an\u00ebsore duke p\u00ebrdorur algoritme spekulative t\u00eb llogaritjes. K\u00ebt\u00eb e njoftoi vet\u00eb ARM dhe ofroi patches dhe udh\u00ebzime p\u00ebr zbutjen e vulnerabilitetit t\u00eb gjetur. Rreziku nuk \u00ebsht\u00eb kaq i madh, por nuk duhet injoruar, pasi procesor\u00ebt me arkitektur\u00eb ARM jan\u00eb kudo, gj\u00eb q\u00eb e b\u00ebn rrezikun e rrjedhjeve t\u00eb dh\u00ebnash t\u00eb pafund.<\/p>\n

\"ARM<\/p>\n

Vulnerabiliteti i gjetur nga ekspert\u00ebt e Google n\u00eb arkitektur\u00ebn ARM mori emrin kodik Straight-Line Speculation (SLS) dhe sh\u00ebnimin zyrtar CVE-2020-13844. Sipas ARM, vulnerabiliteti SLS \u00ebsht\u00eb nj\u00eb form\u00eb e vulnerabilitetit Spectre, p\u00ebr t\u00eb cilin (bashk\u00eb me vulnerabilitetin Meltdown) u b\u00eb i njohur gjer\u00ebsisht n\u00eb janar 2018. N\u00eb t\u00eb tjera fjal\u00eb, kjo \u00ebsht\u00eb nj\u00eb vulnerabilitet klasike n\u00eb mekanizmat e llogaritjes spekulative me sulm nga kanalet an\u00ebsor.<\/p>\n

Llogaritjet spekulative k\u00ebrkojn\u00eb p\u00ebrpunimin e t\u00eb dh\u00ebnave paraprakisht p\u00ebr disa rrug\u00eb t\u00eb mundshme, megjith\u00ebse m\u00eb von\u00eb ato mund t\u00eb hidhen posht\u00eb si t\u00eb panevojshme. Sulmet p\u00ebrmes kanaleve an\u00ebsore lejojn\u00eb vjedhjen e k\u00ebtyre t\u00eb dh\u00ebnave nd\u00ebrmjet\u00ebse para se ato t\u00eb shkat\u00ebrrohen plot\u00ebsisht. Si rezultat, ne kemi procesor\u00eb t\u00eb fuqish\u00ebm dhe rrezik t\u00eb rrjedhjes s\u00eb t\u00eb dh\u00ebnave.<\/p>\n

Sulmi Straight-Line Speculation mbi procesor\u00ebt me arkitektur\u00eb ARM b\u00ebn q\u00eb procesori t\u00eb kaloj\u00eb \u00e7do her\u00eb pas nj\u00eb ndryshimi n\u00eb rrjedh\u00ebn e komandave p\u00ebr t\u00eb ekzekutuar instruksionet q\u00eb gjenden direkt n\u00eb memorie, n\u00eb vend q\u00eb t\u00eb ndjek\u00eb instruksionet n\u00eb rrjedh\u00ebn e re t\u00eb komandave. Kjo, natyrisht, nuk \u00ebsht\u00eb skenari m\u00eb i mir\u00eb p\u00ebr zgjedhjen e instruksioneve p\u00ebr t'u ekzekutuar, q\u00eb mund t\u00eb p\u00ebrfitoj\u00eb nj\u00eb sulmues.<\/p>\n

<\/center><\/p>\n

P\u00ebr nder t\u00eb ARM, ajo jo vet\u00ebm q\u00eb l\u00ebshoi nj\u00eb udh\u00ebzues p\u00ebr zhvilluesit, i cili do t\u00eb ndihmoj\u00eb t\u00eb shmanget rreziku i rrjedhjes p\u00ebrmes sulmit t\u00eb Straight-Line Speculation, por gjithashtu ofroi patches p\u00ebr sistemet operative kryesore, si FreeBSD, OpenBSD, Trusted Firmware-A dhe OP-TEE dhe l\u00ebshoi patches p\u00ebr kompajler\u00ebt GCC dhe LLVM.<\/p>\n

Po ashtu, kompanis\u00eb i \u00ebsht\u00eb shprehur se p\u00ebrdorimi i patches nuk do t\u00eb ndikohet n\u00eb performanc\u00ebn e platformave ARM, si\u00e7 ndodhi n\u00eb platformat e pajtueshme me x86 t\u00eb Intel me bllokimin e vulnerabiliteteve Spectre dhe Meltdown. Megjithat\u00eb, p\u00ebr k\u00ebt\u00eb do t\u00eb mund t\u00eb m\u00ebsojm\u00eb nga burime t\u00eb jashtme, q\u00eb do t\u00eb ofrojn\u00eb nj\u00eb pamje objektive mbi k\u00ebt\u00eb vulnerabilitet t\u00eb ri.<\/p>\n

<\/p>\n

<\/center><\/p>\n

\t\t\t\t


\n\t\t\t\t\t\t\t\t<\/center>
Burimi: 3dnews.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u043d\u0430 \u0448\u0438\u0440\u043e\u043a\u043e\u043c \u0441\u043f\u0435\u043a\u0442\u0440\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 Armv8-A (Cortex-A) \u043d\u0430\u0448\u043b\u0430\u0441\u044c \u0441\u0432\u043e\u044f \u0443\u043d\u0438\u043a\u0430\u043b\u044c\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0434\u043b\u044f \u0430\u0442\u0430\u043a\u0438 \u043f\u043e \u043f\u043e\u0431\u043e\u0447\u043d\u044b\u043c \u043a\u0430\u043d\u0430\u043b\u0430\u043c \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0441\u043f\u0435\u043a\u0443\u043b\u044f\u0442\u0438\u0432\u043d\u044b\u0445 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439. \u041e\u0431 \u044d\u0442\u043e\u043c \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u0441\u0430\u043c\u0430 ARM \u0438 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043f\u0430\u0442\u0447\u0438 \u0438 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0441\u043c\u044f\u0433\u0447\u0435\u043d\u0438\u044f \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438. \u041e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u043d\u0435 \u0442\u0430\u043a \u0432\u0435\u043b\u0438\u043a\u0430, \u043d\u043e \u043f\u0440\u0435\u043d\u0435\u0431\u0440\u0435\u0433\u0430\u0442\u044c \u0435\u044e \u043d\u0435\u043b\u044c\u0437\u044f, \u0432\u0435\u0434\u044c \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b \u043d\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0435 ARM \u0435\u0441\u0442\u044c \u0432\u0435\u0437\u0434\u0435, \u0447\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442 \u0440\u0438\u0441\u043a \u0443\u0442\u0435\u0447\u0435\u043a […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":84986,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-84985","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47ARM ka shkat\u00ebrruar: u zbulua nj\u00eb vulnerabilitet i jasht\u00ebzakonsh\u00ebm p\u00ebr sulm ndaj llogaritjeve spekulative | ProHoster","description":"P\u00ebr procesor\u00ebt me nj\u00eb gam\u00eb t\u00eb gjer\u00eb arkitekturash Armv8-A (Cortex-A)","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/arm-prohudilas-obnaruzhilas-isklyuchitelnaya-uyazvimost-dlya-ataki-na-spekulyativnye-vychisleniya","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47ARM \u043f\u0440\u043e\u0445\u0443\u0434\u0438\u043b\u0430\u0441\u044c: \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b\u0430\u0441\u044c \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0434\u043b\u044f \u0430\u0442\u0430\u043a\u0438 \u043d\u0430 \u0441\u043f\u0435\u043a\u0443\u043b\u044f\u0442\u0438\u0432\u043d\u044b\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f | ProHoster","og:description":"\u0414\u043b\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043e\u0432 \u043d\u0430 \u0448\u0438\u0440\u043e\u043a\u043e\u043c \u0441\u043f\u0435\u043a\u0442\u0440\u0435 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440 Armv8-A (Cortex-A)","og:url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/arm-prohudilas-obnaruzhilas-isklyuchitelnaya-uyazvimost-dlya-ataki-na-spekulyativnye-vychisleniya","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-06-12T11:42:15+00:00","article:modified_time":"2020-06-12T11:42:15+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"84985","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 14:46:42","updated":"2022-10-01 13:37:31","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/84985","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/comments?post=84985"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/84985\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media\/84986"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=84985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=84985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=84985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}