{"id":107183,"date":"2023-03-10T18:48:11","date_gmt":"2023-03-10T16:48:11","guid":{"rendered":"https:\/\/prohoster.info\/?p=107183"},"modified":"2023-03-13T12:06:39","modified_gmt":"2023-03-13T10:06:39","slug":"kriticheskaya-uyazvimost-v-wasmtime-runtime-dlya-webassembly-prilozhenij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/kriticheskaya-uyazvimost-v-wasmtime-runtime-dlya-webassembly-prilozhenij","title":{"rendered":"Vulnerabilitet kritik n\u00eb Wasmtime, runtime p\u00ebr aplikacionet WebAssembly","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

N\u00eb p\u00ebrdit\u00ebsimet korrigjuese Wasmtime 6.0.1, 5.0.1 dhe 4.0.1 \u00ebsht\u00eb zgjidhur nj\u00eb vulnerabilitet (CVE-2023-26489) q\u00eb i \u00ebsht\u00eb dh\u00ebn\u00eb nj\u00eb nivel kritiku rreziku. Ky vulnerabilitet lejon regjistrimin e t\u00eb dh\u00ebnave n\u00eb nj\u00eb zon\u00eb memorie jasht\u00eb kufijve t\u00eb lejuar p\u00ebr kodin e izoluar WebAssembly, \u00e7ka potencialisht mund t\u00eb shfryt\u00ebzohet nga nj\u00eb sulmues p\u00ebr t\u00eb realizuar ekzekutimin e kodit t\u00eb tij jasht\u00eb mjedisit t\u00eb izoluar WASI. <\/p>\n

Wasmtime \u00ebsht\u00eb nj\u00eb runtime p\u00ebr ekzekutimin e aplikacioneve WebAssembly me zgjerime WASI (WebAssembly System Interface) si aplikacione t\u00eb zakonshme t\u00eb izoluar. Instrumenti \u00ebsht\u00eb shkruar n\u00eb gjuh\u00ebn Rust, dhe vulnerabiliteti \u00ebsht\u00eb shkaktuar nga nj\u00eb gabim logjik n\u00eb p\u00ebrcaktimin e rregullave t\u00eb adresimit linear t\u00eb memories n\u00eb gjeneratorin e kodit Cranelift, q\u00eb p\u00ebrkthen nj\u00eb p\u00ebrfaq\u00ebsim t\u00eb pavarur nga arkitekturat harduerike n\u00eb kodin gjenerik t\u00eb ekzekutuesh\u00ebm p\u00ebr arkitektur\u00ebn x86_64. <\/p>\n

N\u00eb ve\u00e7anti, p\u00ebr aplikacionet WebAssembly jan\u00eb llogaritur adresat efektive 35-bit\u00ebshe n\u00eb vend t\u00eb adresave 33-bit\u00ebshe t\u00eb lejuara n\u00eb WebAssembly, duke zhvendosur kufirin e lejuar p\u00ebr operacionet e leximit dhe shkruajtjes n\u00eb memorie virtuale deri n\u00eb 34 GB, nd\u00ebrsa konfigurimet e mjedisit sandbox ofrojn\u00eb mbrojtje deri n\u00eb 6 GB nga adresa baz\u00eb. Si pasoj\u00eb, diapazoni i memories virtuale nga 6 deri n\u00eb 34 GB nga adresa baz\u00eb ishte i aksesuesh\u00ebm p\u00ebr lexim dhe shkruajtje nga aplikacionet WebAssembly. N\u00eb k\u00ebt\u00eb memorie mund t\u00eb vendosen mjedise t\u00eb tjera WebAssembly ose komponente t\u00eb runtime-it WebAssembly. <\/p>\n

N\u00eb rast se nuk \u00ebsht\u00eb e mundur t\u00eb p\u00ebrdit\u00ebsohet versioni i Wasmtime, si nj\u00eb zgjidhje p\u00ebr t\u00eb bllokuar gabimin p\u00ebrmendet p\u00ebrcaktimi i opsionit \u201eConfig::static_memory_maximum_size(0)\u201c p\u00ebr t\u00eb aktivizuar nj\u00eb kontroll t\u00eb ve\u00e7ant\u00eb t\u00eb kufijve n\u00eb \u00e7do qasje n\u00eb memorin\u00eb lineare (\u00e7on n\u00eb nj\u00eb reduktim t\u00eb duksh\u00ebm t\u00eb performanc\u00ebs). Nj\u00eb mund\u00ebsi tjet\u00ebr \u00ebsht\u00eb p\u00ebrdorimi i cil\u00ebsimit \u201eConfig::static_memory_guard_size(1 < 36)\u201c p\u00ebr t\u00eb rritur numrin e faqeve t\u00eb kujtes\u00ebs mbrojt\u00ebse (Guard Page, n\u00eb qasje krijohet nj\u00eb p\u00ebrjashtim), q\u00eb vendohet n\u00eb gam\u00ebn e problematik t\u00eb memories virtuale (\u00e7on n\u00eb rezervimin e nj\u00eb sasia t\u00eb madhe t\u00eb memories virtuale dhe kufizimin e numrit t\u00eb aplikacioneve WebAssembly q\u00eb ekzekutohen nj\u00ebher\u00ebsh).
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0445 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 Wasmtime 6.0.1, 5.0.1 \u0438 4.0.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-26489), \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u044c \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u044c \u043f\u0430\u043c\u044f\u0442\u0438 \u0432\u043d\u0435 \u0433\u0440\u0430\u043d\u0438\u0446\u044b, \u0434\u043e\u043f\u0443\u0441\u0442\u0438\u043c\u043e\u0439 \u0434\u043b\u044f \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e WebAssembly-\u043a\u043e\u0434\u0430, \u0447\u0442\u043e \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u043e \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u043c \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0432\u043d\u0435 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f WASI. Wasmtime \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u043e\u0439 runtime \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f WebAssembly-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0441 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f\u043c\u0438 WASI […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-107183","post","type-post","status-publish","format-standard","hentry","category-news"],"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\udd47Vulnerabiliteti kritik n\u00eb Wasmtime, runtime p\u00ebr aplikacionet WebAssembly | ProHoster","description":"N\u00eb p\u00ebrdit\u00ebsimet korrigjuese Wasmtime 6.0.1, 5.0.1 dhe 4.0.1 \u00ebsht\u00eb zgjidhur nj\u00eb vulnerabilitet (CVE-2023-26489) q\u00eb i \u00ebsht\u00eb dh\u00ebn\u00eb nj\u00eb nivel kritiku rreziku.","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/news\/kriticheskaya-uyazvimost-v-wasmtime-runtime-dlya-webassembly-prilozhenij","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\udd47\u041a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 Wasmtime, runtime \u0434\u043b\u044f WebAssembly-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 | ProHoster","og:description":"\u0412 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0445 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 Wasmtime 6.0.1, 5.0.1 \u0438 4.0.1 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-26489), \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438.","og:url":"https:\/\/prohoster.info\/sq\/blog\/news\/kriticheskaya-uyazvimost-v-wasmtime-runtime-dlya-webassembly-prilozhenij","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":"2023-03-10T16:48:11+00:00","article:modified_time":"2023-03-13T10:06:39+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/107183","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=107183"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/107183\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=107183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=107183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=107183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}