A Google bejelentette, hogy kezdem\u00e9nyez\u00e9st ind\u00edt az open source szoftverek mem\u00f3riahaszn\u00e1lat\u00e1nak biztons\u00e1gi probl\u00e9m\u00e1inak megold\u00e1s\u00e1ra. A Google adatai szerint a Chromium biztons\u00e1gi probl\u00e9m\u00e1inak 70%-a mem\u00f3ria kezel\u00e9s\u00e9b\u0151l ered\u0151 hib\u00e1k miatt k\u00f6vetkezik be, p\u00e9ld\u00e1ul amikor hozz\u00e1f\u00e9r\u00fcnk egy mem\u00f3ri\u00e1b\u00f3l felszabad\u00edtott pufferhez (use-after-free). A Microsoft kutat\u00e1sa is arra a k\u00f6vetkeztet\u00e9sre jutott, hogy a vizsg\u00e1lt szoftverfriss\u00edt\u00e9sekben felfedezett \u00f6sszes sebezhet\u0151s\u00e9g 70%-\u00e1t mem\u00f3riahaszn\u00e1lati hib\u00e1k okozz\u00e1k. Egy m\u00e1sik tanulm\u00e1ny kimutatta, hogy a curl seg\u00e9dprogramban felt\u00e1rt 95 sebezhet\u0151s\u00e9gb\u0151l 53 elker\u00fclhet\u0151 lett volna, ha a k\u00f3d olyan nyelven \u00edr\u00f3dik, amely biztos\u00edtja a mem\u00f3riabiztons\u00e1got. <\/p>\n
A Google \u00e9s az ISRG (Internet Security Research Group) k\u00f6z\u00f6sen finansz\u00edrozott els\u0151 kezdem\u00e9nyez\u00e9sek p\u00e9ld\u00e1k\u00e9nt eml\u00edthet\u0151k, mint az alternat\u00edv HTTP h\u00e1ts\u00f3 v\u00e9g l\u00e9trehoz\u00e1sa a curl eszk\u00f6zh\u00f6z \u00e9s egy \u00faj TLS modul kidolgoz\u00e1sa az Apache http szerverhez. Mindk\u00e9t projekt Rust nyelven k\u00e9sz\u00fclt, amely a mem\u00f3riabiztons\u00e1gra \u00f6sszpontos\u00edt, \u00e9s automatikus mem\u00f3ria kezel\u00e9st biztos\u00edt, \u00edgy megfelel\u0151 haszn\u00e1lat (az unsafe m\u00f3don v\u00e9gzett nem biztons\u00e1gos pointer m\u0171veletek elker\u00fcl\u00e9se) lehet\u0151v\u00e9 teszi a mem\u00f3ria felszabad\u00edt\u00e1sa ut\u00e1n t\u00f6rt\u00e9n\u0151 hozz\u00e1f\u00e9r\u00e9ssel, null pointerek derefer\u00e1l\u00e1s\u00e1val \u00e9s a pufferek hat\u00e1rainak t\u00fall\u00e9p\u00e9s\u00e9vel kapcsolatos probl\u00e9m\u00e1k elker\u00fcl\u00e9s\u00e9t. \u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0432\u044b\u0441\u0442\u0443\u043f\u0438\u043b\u0430 \u0441 \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u043e\u0439 \u043f\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u044e \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u041f\u041e, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u043d\u0435\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u043e\u0439 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e. \u041f\u043e \u0434\u0430\u043d\u043d\u044b\u043c Google 70% \u043f\u0440\u043e\u0431\u043b\u0435\u043c \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e \u0432 Chromium \u0432\u044b\u0437\u0432\u0430\u043d\u044b \u043e\u0448\u0438\u0431\u043a\u0430\u043c\u0438 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e, \u0442\u0430\u043a\u0438\u043c\u0438 \u043a\u0430\u043a \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043a \u0431\u0443\u0444\u0435\u0440\u0443 \u043f\u043e\u0441\u043b\u0435 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u043e\u0439 \u0441 \u043d\u0438\u043c \u043f\u0430\u043c\u044f\u0442\u0438 (use-after-free). \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 Microsoft \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u0448\u043b\u043e \u043a \u0432\u044b\u0432\u043e\u0434\u0443, \u0447\u0442\u043e 70% \u0432\u0441\u0435\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0443\u0441\u0442\u0440\u0430\u043d\u0451\u043d\u043d\u044b\u0445 \u0432 […]<\/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-99196","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\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 Google a mem\u00f3ria biztons\u00e1gos kezel\u00e9s\u00e9nek el\u0151mozd\u00edt\u00e1s\u00e1val foglalkozik az open source szoftverekben | ProHoster","description":"A Google bejelentette, hogy kezdem\u00e9nyez\u00e9st ind\u00edt az open source szoftverek mem\u00f3riahaszn\u00e1lat\u00e1nak biztons\u00e1gi probl\u00e9m\u00e1inak 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Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"