{"id":113077,"date":"2024-01-23T17:28:02","date_gmt":"2024-01-23T15:28:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/oczenka-effektivnosti-primeneniya-miracleptr-dlya-predotvrashheniya-uyazvimostej-v-chrome"},"modified":"2024-01-23T17:28:02","modified_gmt":"2024-01-23T15:28:02","slug":"oczenka-effektivnosti-primeneniya-miracleptr-dlya-predotvrashheniya-uyazvimostej-v-chrome","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/oczenka-effektivnosti-primeneniya-miracleptr-dlya-predotvrashheniya-uyazvimostej-v-chrome","title":{"rendered":"Vler\u00ebsimi i efektivitetit t\u00eb p\u00ebrdorimit t\u00eb MiraclePtr p\u00ebr parandalimin e dob\u00ebsive n\u00eb Chrome","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania Google analizoi eficienc\u00ebn e p\u00ebrdorimit n\u00eb kodin C++ t\u00eb tipit MiraclePtr (raw_ptr<T>) n\u00eb vend t\u00eb treguesve t\u00eb zakonsh\u00ebm p\u00ebr t\u00eb mbrojtur nga dob\u00ebsit\u00eb q\u00eb shkaktohen nga aksesimi i hap\u00ebsirave t\u00eb memorie q\u00eb jan\u00eb \u00e7liruar tashm\u00eb (use-after-free). MiraclePtr ofron nj\u00eb nd\u00ebrfaqe mbi treguesit, e cila b\u00ebn kontrollime t\u00eb shtesave dhe ndalon pun\u00ebn n\u00eb rast se zbulohet nj\u00eb akses n\u00eb hap\u00ebsira t\u00eb memorie t\u00eb \u00e7liruara. Mb\u00ebshtetja p\u00ebr MiraclePtr u aktivizua automatikisht n\u00eb platformat Windows dhe Android n\u00eb maj 2022 (n\u00eb Chrome 102), dhe n\u00eb platformat ChromeOS, Linux dhe macOS n\u00eb qershor 2023. Mbrojtja e bazuar n\u00eb MiraclePtr n\u00eb Chrome p\u00ebrdoret p\u00ebr t\u00eb gjitha proceset, p\u00ebrve\u00e7 procesit p\u00ebrgjegj\u00ebs p\u00ebr vizatimin (renderer). <\/p>\n

Pas studimit t\u00eb dinamik\u00ebs s\u00eb d\u00ebrgimit t\u00eb raporteve mbi dob\u00ebsit\u00eb dhe p\u00ebrfundimet emergjente, si dhe analiz\u00ebs s\u00eb incidenteve t\u00eb lidhura me sigurin\u00eb dhe rezultateve t\u00eb testimeve fuzzing, u arrit p\u00ebrfundimi se implementimi i MiraclePtr ofroi mbrojtje ndaj 57% t\u00eb dob\u00ebsive t\u00eb klas\u00ebs use-after-free, fal\u00eb kalimit n\u00eb p\u00ebrdorimin e MiraclePtr p\u00ebr fushat e klasave dhe parametrat e thirrjeve callback. P\u00ebr m\u00eb tep\u00ebr, p\u00ebrmendet se 5 nga 6 dob\u00ebsit\u00eb kritike t\u00eb identifikuara vitin e kaluar n\u00eb deg\u00ebn stabile t\u00eb Chrome u identifikuan p\u00ebrmes studimit t\u00eb raporteve mbi p\u00ebrfundimet emergjente t\u00eb lidhura me p\u00ebrdorimin e MiraclePtr. <\/p>\n

Kostoja e p\u00ebrdorimit t\u00eb MiraclePtr \u00ebsht\u00eb rritja e konsumit t\u00eb memories, pasi p\u00ebr treguesit k\u00ebrkohet t\u00eb ruhet nj\u00eb shtes\u00eb prej 4 byte p\u00ebr num\u00ebruesin e referencave. Konsumi i memories nga procesi kryesor i shfletuesit me p\u00ebrdorimin e MiraclePtr rritet me 5.5-8% n\u00eb nd\u00ebrtimet p\u00ebr sistemet desktop dhe me 2% n\u00eb versionin p\u00ebr Android. Rritja mesatare e konsumit p\u00ebr t\u00eb gjith\u00eb proceset vler\u00ebsohet n\u00eb 1-3%. P\u00ebr m\u00eb tep\u00ebr, gjat\u00eb p\u00ebrdorimit t\u00eb MiraclePtr jan\u00eb regjistruar regresione t\u00eb ve\u00e7anta q\u00eb \u00e7ojn\u00eb n\u00eb ulje t\u00eb performanc\u00ebs, por q\u00eb nuk lidhen me metrikat ky\u00e7e, si koha e ngarkes\u00ebs dhe vizualizimit t\u00eb faqes. Nga regresionet e zbuluara, ve\u00e7ohet nj\u00eb ngecje prej 1.5% n\u00eb hyrjen e par\u00eb n\u00eb Chrome OS, nj\u00eb ngadal\u00ebsim prej 1.5% n\u00eb hapjen e tab-eve n\u00eb platform\u00ebn Android, si dhe nj\u00eb rritje e probabilitetit t\u00eb ngecjes s\u00eb hyrjes p\u00ebr shkak t\u00eb konkurrenc\u00ebs n\u00eb rrjedh\u00ebn kryesore (rritje e probabilitetit prej 10% n\u00eb percentilin 99).
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u043e\u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u043a\u043e\u0434\u0435 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421++ \u0442\u0438\u043f\u0430 MiraclePtr (raw_ptr<T>) \u0432\u043c\u0435\u0441\u0442\u043e \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0435\u0439 \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u0443\u0436\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u043c \u043e\u0431\u043b\u0430\u0441\u0442\u044f\u043c \u043f\u0430\u043c\u044f\u0442\u0438 (use-after-free). MiraclePtr \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043e\u0431\u0432\u044f\u0437\u043a\u0443 \u043d\u0430\u0434 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f\u043c\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0449\u0443\u044e \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0438 \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e \u0437\u0430\u0432\u0435\u0440\u0448\u0430\u044e\u0449\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u043c \u043e\u0431\u043b\u0430\u0441\u0442\u044f\u043c \u043f\u0430\u043c\u044f\u0442\u0438. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 MiraclePtr \u0431\u044b\u043b\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043d\u0430 […]<\/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-113077","post","type-post","status-publish","format-standard","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\udd47Vler\u00ebsimi i efikasitetit t\u00eb p\u00ebrdorimit t\u00eb MiraclePtr p\u00ebr t\u00eb parandaluar dob\u00ebsi n\u00eb Chrome | ProHoster","description":"Kompania Google analizoi efikasitetin e p\u00ebrdorimit n\u00eb kodin e gjuh\u00ebs C++ t\u00eb tipit MiraclePtr (raw_ptr) n\u00eb vend t\u00eb treguesve t\u00eb zakonsh\u00ebm p\u00ebr mbrojtjen nga dob\u00ebsit\u00eb t\u00eb shkaktuara nga aksesimi i fushave t\u00eb memories q\u00eb jan\u00eb \u00e7liruar tashm\u00eb (use-after-free). MiraclePtr ofron nj\u00eb mb\u00ebshtetje mbi treguesit, duke kryer kontrolle shtes\u00eb dhe duke p\u00ebrfunduar pun\u00ebn n\u00eb rast se zbulohet nj\u00eb akses n\u00eb fushat e \u00e7liruara t\u00eb memories. Mb\u00ebshtetja p\u00ebr MiraclePtr \u00ebsht\u00eb p\u00ebrfshir\u00eb si parazgjedhje n\u00eb","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/oczenka-effektivnosti-primeneniya-miracleptr-dlya-predotvrashheniya-uyazvimostej-v-chrome","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\u041e\u0446\u0435\u043d\u043a\u0430 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f MiraclePtr \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 Chrome | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u043e\u0430\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0432 \u043a\u043e\u0434\u0435 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421++ \u0442\u0438\u043f\u0430 MiraclePtr (raw_ptr) \u0432\u043c\u0435\u0441\u0442\u043e \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u0435\u0439 \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435\u043c \u043a \u0443\u0436\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u043c \u043e\u0431\u043b\u0430\u0441\u0442\u044f\u043c \u043f\u0430\u043c\u044f\u0442\u0438 (use-after-free). MiraclePtr \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u043e\u0431\u0432\u044f\u0437\u043a\u0443 \u043d\u0430\u0434 \u0443\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f\u043c\u0438, \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0449\u0443\u044e \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0438 \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e \u0437\u0430\u0432\u0435\u0440\u0448\u0430\u044e\u0449\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u043a \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u043c \u043e\u0431\u043b\u0430\u0441\u0442\u044f\u043c \u043f\u0430\u043c\u044f\u0442\u0438. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 MiraclePtr \u0431\u044b\u043b\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043d\u0430","og:url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/oczenka-effektivnosti-primeneniya-miracleptr-dlya-predotvrashheniya-uyazvimostej-v-chrome","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":"2024-01-23T15:28:02+00:00","article:modified_time":"2024-01-23T15:28:02+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\/113077","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=113077"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/posts\/113077\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/media?parent=113077"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/categories?post=113077"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sq\/wp-json\/wp\/v2\/tags?post=113077"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}