{"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\/news\/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 analizira efektivitetin e p\u00ebrdorimit n\u00eb kodin n\u00eb gjuh\u00ebn C++ t\u00eb tipit MiraclePtr (raw_ptr) n\u00eb vend t\u00eb treguesve t\u00eb zakonsh\u00ebm p\u00ebr t\u00eb mbrojtur nga dob\u00ebsit\u00eb q\u00eb shkaktohen nga qasja n\u00eb zona t\u00eb \u00e7liruar t\u00eb memories (use-after-free). MiraclePtr ofron nj\u00eb mb\u00ebshtetje mbi treguesit, duke kryer kontrolle shtes\u00eb dhe mbyll pun\u00ebn n\u00eb rast se zbulon qasje n\u00eb zona t\u00eb \u00e7liruar t\u00eb memories. Mb\u00ebshtetja p\u00ebr MiraclePtr u p\u00ebrfshi si parazgjedhje 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 bazuar n\u00eb MiraclePtr n\u00eb Chrome aplikohet p\u00ebr t\u00eb gjith\u00eb proceset, p\u00ebrve\u00e7 procesit p\u00ebrgjegj\u00ebs p\u00ebr p\u00ebrfaq\u00ebsimin (renderer). <\/p>\n

Pas studimit t\u00eb dinamik\u00ebs s\u00eb d\u00ebrgimit t\u00eb raporteve p\u00ebr dob\u00ebsit\u00eb dhe mbylljeve emergjente, si dhe shqyrtimit t\u00eb incidenteve t\u00eb lidhura me sigurin\u00eb dhe rezultateve t\u00eb testimeve fuzzing, u arrit n\u00eb p\u00ebrfundimin 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 gjat\u00eb vitit t\u00eb kaluar n\u00eb deg\u00ebn e stabilizuar t\u00eb Chrome u identifikuan p\u00ebrmes studimit t\u00eb raporteve p\u00ebr mbylljet 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 4 byte t\u00eb shtuar me num\u00ebruesin e referencave. K\u00ebrkesa p\u00ebr memorie nga procesi kryesor i shfletuesit gjat\u00eb p\u00ebrdorimit t\u00eb MiraclePtr rritet me 5.5-8% n\u00eb nd\u00ebrtimet p\u00ebr sisteme 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 uljen e performanc\u00ebs, por q\u00eb nuk jan\u00eb t\u00eb lidhura me metrikat ky\u00e7e, si koha e ngarkimit dhe p\u00ebrfaq\u00ebsimit t\u00eb faqes. Nga regresionet e identifikuara, p\u00ebrmendet vonesa n\u00eb 1.5% t\u00eb hyrjes s\u00eb par\u00eb n\u00eb Chrome OS, ngadal\u00ebsimi n\u00eb 1.5% n\u00eb hapjen e tabeve n\u00eb platform\u00ebn Android, si dhe rritja e mund\u00ebsis\u00eb p\u00ebr vones\u00ebn e hyrjes p\u00ebr shkak t\u00eb konkurrenc\u00ebs n\u00eb rrjedh\u00ebn kryesore (rritje e mund\u00ebsis\u00eb me 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-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\udd47Vler\u00ebsimi i efikasitetit t\u00eb aplikimit t\u00eb MiraclePtr p\u00ebr parandalimin e dob\u00ebsive n\u00eb Chrome | ProHoster","description":"Kompania Google analizoi efikasitetin e p\u00ebrdorimit n\u00eb kodin n\u00eb gjuh\u00ebn C++ t\u00eb tipit MiraclePtr (raw_ptr) n\u00eb vend t\u00eb treguesve t\u00eb zakonsh\u00ebm p\u00ebr t\u00eb mbrojtur nga t\u00eb dh\u00ebnat e ndjeshme q\u00eb lidhen me aksesin n\u00eb zona t\u00eb lira.","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/news\/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.","og:url":"https:\/\/prohoster.info\/sq\/blog\/news\/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}]}}