{"id":105815,"date":"2022-12-03T15:36:44","date_gmt":"2022-12-03T13:36:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/okolo-21-novogo-kompiliruemogo-koda-v-android-13-napisano-na-yazyke-rust"},"modified":"2022-12-03T15:36:44","modified_gmt":"2022-12-03T13:36:46","slug":"okolo-21-novogo-kompiliruemogo-koda-v-android-13-napisano-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/okolo-21-novogo-kompiliruemogo-koda-v-android-13-napisano-na-yazyke-rust","title":{"rendered":"Az Android 13 \u00fajonnan ford\u00edtott k\u00f3dj\u00e1nak k\u00f6r\u00fclbel\u00fcl 21%-\u00e1t Rust nyelven \u00edrt\u00e1k.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google m\u00e9rn\u00f6kei bemutatt\u00e1k az Android platformon a Rust nyelv t\u00e1mogat\u00e1s\u00e1nak bevezet\u00e9s\u00e9vel kapcsolatos els\u0151 eredm\u00e9nyeket. Az Android 13-ban a frissen hozz\u00e1adott leford\u00edthat\u00f3 k\u00f3d k\u00f6r\u00fclbel\u00fcl 21%-a Rust nyelven, m\u00edg 79%-a C\/C++ nyelven \u00edr\u00f3dott. Az AOSP (Android Open Source Project) t\u00e1rol\u00f3ban, ahol az Android platform forr\u00e1sk\u00f3dja fejl\u0151dik, k\u00f6r\u00fclbel\u00fcl 1,5 milli\u00f3 sor k\u00f3d tal\u00e1lhat\u00f3 Rust nyelven, amely \u00faj komponensekhez kapcsol\u00f3dik, mint p\u00e9ld\u00e1ul a Keystore2 kriptogr\u00e1fiai kulcst\u00e1rol\u00f3, az UWB-chip-ek (Ultra-Wideband) stackje, a DNS-over-HTTP3 protokoll megval\u00f3s\u00edt\u00e1sa, az AVF (Android Virtualization Framework) virtualiz\u00e1ci\u00f3s keretrendszer, valamint a Bluetooth \u00e9s Wi-Fi k\u00eds\u00e9rleti stackjei.

\"Az<\/center> <\/p>\n

A kor\u00e1bban elfogadott sebezhet\u0151s\u00e9gek kock\u00e1zat\u00e1nak cs\u00f6kkent\u00e9s\u00e9re ir\u00e1nyul\u00f3 strat\u00e9gia alapj\u00e1n a Rust nyelvet eddig f\u0151k\u00e9nt \u00faj k\u00f3dok fejleszt\u00e9s\u00e9re \u00e9s a legkev\u00e9sb\u00e9 v\u00e9dett, \u00e9letfontoss\u00e1g\u00fa szoftverkomponensek biztons\u00e1g\u00e1nak fokoz\u00e1s\u00e1ra haszn\u00e1lj\u00e1k. Az \u00e1ltal\u00e1nos c\u00e9l, hogy az eg\u00e9sz platformot Rustra k\u00e9sz\u00edts\u00e9k \u00e1t, nem fogalmaz\u00f3dik meg, \u00e9s a r\u00e9gi k\u00f3d C\/C++ nyelven Marad, m\u00edg a benne jelentkez\u0151 hib\u00e1k kezel\u00e9s\u00e9t fuzzing-tesztel\u00e9ssel, statikus elemz\u00e9ssel \u00e9s hasonl\u00f3 technik\u00e1k alkalmaz\u00e1s\u00e1val, p\u00e9ld\u00e1ul a MiraclePtr (nyers mutat\u00f3k felett v\u00e9grehajtott ellen\u0151rz\u00e9seket v\u00e9gz\u0151 keretrendszer), a Scudo mem\u00f3riaeloszt\u00e1si rendszer (biztons\u00e1gos alternat\u00edv\u00e1ja a malloc\/free-nek) \u00e9s a HWAsan (Hardware-assisted AddressSanitizer), GWP-ASAN \u00e9s KFENCE mem\u00f3riahib\u00e1k \u00e9szlel\u00e9si mechanizmus haszn\u00e1lat\u00e1val v\u00e9gzik. <\/p>\n

Ami az Android platformon a sebezhet\u0151s\u00e9gek term\u00e9szet\u00e9vel kapcsolatos statisztik\u00e1kat illeti, meg\u00e1llap\u00edthat\u00f3, hogy a mem\u00f3ria kezel\u00e9s\u00e9vel kapcsolatos \u00faj k\u00f3d cs\u00f6kkent\u00e9s\u00e9vel p\u00e1rhuzamosan a mem\u00f3riahib\u00e1k okozta sebezhet\u0151s\u00e9gek sz\u00e1ma is cs\u00f6kkent. P\u00e9ld\u00e1ul a mem\u00f3riahib\u00e1k miatt bek\u00f6vetkez\u0151 sebezhet\u0151s\u00e9gek ar\u00e1nya 2019-ben 76%-r\u00f3l 2022-re 35%-ra cs\u00f6kkent. A sz\u00e1mok abszol\u00fatban 2019-ben 223, 2020-ban 150, 2021-ben 100, m\u00edg 2022-ben 85 mem\u00f3ria kezel\u00e9s\u00e9vel kapcsolatos sebezhet\u0151s\u00e9get t\u00e1rt fel (mindezek a sebezhet\u0151s\u00e9gek C\/C++ k\u00f3dra vonatkoznak, Rust k\u00f3dban ilyen probl\u00e9m\u00e1kat eddig nem tal\u00e1ltak). 2022 volt az els\u0151 \u00e9v, amikor a mem\u00f3ria kezel\u00e9s\u00e9vel kapcsolatos sebezhet\u0151s\u00e9gek m\u00e1r nem domin\u00e1ltak.

\"Az<\/center> <\/p>\n

Mivel a mem\u00f3ria kezel\u00e9s\u00e9vel kapcsolatos sebezhet\u0151s\u00e9gek \u00e1ltal\u00e1ban a legvesz\u00e9lyesebbek, a teljes statisztik\u00e1ban is megfigyelhet\u0151 a kritikus probl\u00e9m\u00e1k \u00e9s a t\u00e1volr\u00f3l kihaszn\u00e1lhat\u00f3 probl\u00e9m\u00e1k sz\u00e1m\u00e1nak cs\u00f6kken\u00e9se. Ezzel p\u00e1rhuzamosan az utols\u00f3 4 \u00e9v sor\u00e1n a mem\u00f3ria kezel\u00e9s\u00e9vel nem kapcsolatos sebezhet\u0151s\u00e9gek felfedez\u00e9s\u00e9nek dinamik\u00e1ja k\u00f6r\u00fclbel\u00fcl egy szinten maradt - havonta 20 sebezhet\u0151s\u00e9ggel. A mem\u00f3riahib\u00e1k miatt bek\u00f6vetkez\u0151 sebezhet\u0151s\u00e9gek k\u00f6z\u00f6tt a vesz\u00e9lyes probl\u00e9m\u00e1k ar\u00e1nya is megmarad (de mivel a hasonl\u00f3 sebezhet\u0151s\u00e9gek sz\u00e1ma cs\u00f6kken, a vesz\u00e9lyes probl\u00e9m\u00e1k sz\u00e1ma is cs\u00f6kken).

\"Az<\/center> <\/p>\n

A statisztik\u00e1k azt is nyomon k\u00f6vetik, hogy van korrel\u00e1ci\u00f3 az \u00faj k\u00f3d mennyis\u00e9ge \u00e9s a mem\u00f3ri\u00e1val kapcsolatos sebezhet\u0151s\u00e9gek, mint p\u00e9ld\u00e1ul a puffer t\u00falcsordul\u00e1s \u00e9s a m\u00e1r felszabad\u00edtott mem\u00f3ria el\u00e9r\u00e9se k\u00f6z\u00f6tt. Ez a megfigyel\u00e9s meger\u0151s\u00edti azt a felt\u00e9telez\u00e9st, hogy a biztons\u00e1gos programoz\u00e1si technik\u00e1k bevezet\u00e9s\u00e9nek k\u00f6z\u00e9ppontj\u00e1ban az \u00faj k\u00f3d elt\u00e1vol\u00edt\u00e1sa \u00e1ll, nem pedig a megl\u00e9v\u0151 k\u00f3d \u00fajra\u00edr\u00e1sa, mivel a felfedezett sebezhet\u0151s\u00e9gek t\u00f6bbs\u00e9ge az \u00faj k\u00f3dra vonatkozik.

\"Az<\/center>
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0418\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u043f\u043e\u0434\u0432\u0435\u043b\u0438 \u043f\u0435\u0440\u0432\u044b\u0435 \u0438\u0442\u043e\u0433\u0438 \u0432\u043d\u0435\u0434\u0440\u0435\u043d\u0438\u044f \u0432 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 Android \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u0412 Android 13 \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e 21% \u043e\u0442 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u043d\u0430 Rust, \u0430 79% \u043d\u0430 C\/C++. \u0412 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438 AOSP (Android Open Source Project), \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Android, \u043d\u0430\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e 1.5 \u043c\u043b\u043d \u0441\u0442\u0440\u043e\u043a \u043a\u043e\u0434\u0430 \u043d\u0430 Rust, […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":105816,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105815","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\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\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A Android 13-ban a \u00faj ford\u00edthat\u00f3 k\u00f3d k\u00f6r\u00fclbel\u00fcl 21%-a Rust nyelven k\u00e9sz\u00fclt | ProHoster","description":"A Google m\u00e9rn\u00f6kei el\u0151zetes k\u00f6vetkeztet\u00e9seket vontak le az Android platformon a Rust nyelven val\u00f3 fejleszt\u00e9s t\u00e1mogat\u00e1s\u00e1nak bevezet\u00e9s\u00e9r\u0151l. Az Android 13-ban a hozz\u00e1adott \u00faj, ford\u00edthat\u00f3 k\u00f3d k\u00f6r\u00fclbel\u00fcl 21%-a Rust nyelven \u00edr\u00f3dott, m\u00edg 79%-a C\/C++ nyelven.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/okolo-21-novogo-kompiliruemogo-koda-v-android-13-napisano-na-yazyke-rust","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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\u043a\u043e\u043b\u043e 21% \u043d\u043e\u0432\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0432 Android 13 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust | ProHoster","og:description":"\u0418\u043d\u0436\u0435\u043d\u0435\u0440\u044b \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Google \u043f\u043e\u0434\u0432\u0435\u043b\u0438 \u043f\u0435\u0440\u0432\u044b\u0435 \u0438\u0442\u043e\u0433\u0438 \u0432\u043d\u0435\u0434\u0440\u0435\u043d\u0438\u044f \u0432 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0443 Android \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u0412 Android 13 \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e 21% \u043e\u0442 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043d\u043e\u0432\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u043d\u0430 Rust, \u0430 79% \u043d\u0430 C\/C++.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/okolo-21-novogo-kompiliruemogo-koda-v-android-13-napisano-na-yazyke-rust","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":"2022-12-03T13:36:46+00:00","article:modified_time":"2022-12-03T13:36:46+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\/hu\/wp-json\/wp\/v2\/posts\/105815","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=105815"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/105815\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media\/105816"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=105815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=105815"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=105815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}