{"id":99784,"date":"2021-04-14T22:22:39","date_gmt":"2021-04-14T20:22:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-chrome-89-0-4389-128-s-ustraneniem-0-day-uyazvimosti-chrome-90-zaderzhivaetsya"},"modified":"2021-04-14T22:22:39","modified_gmt":"2021-04-14T20:22:39","slug":"obnovlenie-chrome-89-0-4389-128-s-ustraneniem-0-day-uyazvimosti-chrome-90-zaderzhivaetsya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/obnovlenie-chrome-89-0-4389-128-s-ustraneniem-0-day-uyazvimosti-chrome-90-zaderzhivaetsya","title":{"rendered":"A Chrome 89.0.4389.128-as verzi\u00f3 friss\u00edt\u00e9se jav\u00edtotta a 0-napos sebezhet\u0151s\u00e9get. A Chrome 90 k\u00e9sleltetik.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Google kiadta a Chrome 89.0.4389.128 friss\u00edt\u00e9s\u00e9t, amelyben k\u00e9t sebezhet\u0151s\u00e9get (CVE-2021-21206, CVE-2021-21220) jav\u00edtottak, amelyekhez m\u00e1r el\u00e9rhet\u0151ek m\u0171k\u00f6d\u0151 exploitok (0-day). A CVE-2021-21220 sebezhet\u0151s\u00e9get a Chrome felt\u00f6r\u00e9s\u00e9re haszn\u00e1lt\u00e1k a Pwn2Own 2021 versenyen. <\/p>\n

A megadott sebezhet\u0151s\u00e9g kihaszn\u00e1l\u00e1sa egy k\u00fcl\u00f6n\u00f6sen form\u00e1zott WebAssembly k\u00f3d v\u00e9grehajt\u00e1s\u00e1n kereszt\u00fcl t\u00f6rt\u00e9nik (a sebezhet\u0151s\u00e9get a WebAssembly virtu\u00e1lis g\u00e9p\u00e9ben tal\u00e1lhat\u00f3 hiba okozza, amely lehet\u0151v\u00e9 teszi, hogy adatokat \u00edrjunk vagy olvassunk tetsz\u0151leges mem\u00f3riac\u00edmr\u0151l). Meg kell jegyezni, hogy a bemutatott exploit nem k\u00e9pes kiker\u00fclni a sandbox-elszigetel\u00e9st, \u00e9s a teljes k\u00f6r\u0171 t\u00e1mad\u00e1shoz sz\u00fcks\u00e9g van egy m\u00e1sik sebezhet\u0151s\u00e9g felfedez\u00e9s\u00e9re a sandbox elhagy\u00e1s\u00e1hoz (a Pwn2Own 2021 versenyen egy ilyen sebezhet\u0151s\u00e9get bemutattak Windows alatt). <\/p>\n

A probl\u00e9ma p\u00e9ld\u00e1jak\u00e9nt haszn\u00e1lt exploit a GitHubon ker\u00fclt k\u00f6zz\u00e9t\u00e9telre a V8 motor jav\u00edt\u00e1sa ut\u00e1n, de m\u00e9g a b\u00f6ng\u00e9sz\u0151k friss\u00edt\u00e9s\u00e9nek l\u00e9trej\u00f6tte el\u0151tt (m\u00e9g ha az exploit nem is lett volna nyilv\u00e1nos, a rosszindulat\u00fa szerepl\u0151k k\u00e9pesek voltak volna \u00fajraalkotni azt a V8 repozit\u00f3riumban t\u00f6rt\u00e9nt v\u00e1ltoz\u00e1sok elemz\u00e9s\u00e9vel, ami kor\u00e1bban m\u00e1r megt\u00f6rt\u00e9nt, amikor a V8 jav\u00edt\u00e1s\u00e1t k\u00f6zz\u00e9tett\u00e9k, de a r\u00e1 \u00e9p\u00fcl\u0151 term\u00e9kek m\u00e9g nem friss\u00fcltek). <\/p>\n

Tov\u00e1bb\u00e1 \u00e9rdemes megjegyezni a Chrome 90 kiad\u00e1s\u00e1nak \u00fctemez\u00e9s\u00e9nek eltol\u00f3d\u00e1s\u00e1t Linux, Windows \u00e9s macOS rendszerekre. Ezt a kiad\u00e1st \u00e1prilis 13-ra tervezt\u00e9k, de tegnap nem jelent meg, csup\u00e1n az Android verzi\u00f3ja. Ma egy tov\u00e1bbi Chrome 90 b\u00e9takiad\u00e1s k\u00e9sz\u00fclt el. Az \u00faj kiad\u00e1si d\u00e1tumr\u00f3l nincs inform\u00e1ci\u00f3.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 Chrome 89.0.4389.128, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b \u0434\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2021-21206, CVE-2021-21220), \u0434\u043b\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0440\u0430\u0431\u043e\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0438\u0442\u044b (0-day). \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2021-21220 \u0431\u044b\u043b\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0430 \u0434\u043b\u044f \u0432\u0437\u043b\u043e\u043c\u0430 Chrome \u043d\u0430 \u0441\u043e\u0440\u0435\u0432\u043d\u043e\u0432\u0430\u043d\u0438\u0438 Pwn2Own 2021. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 WebAssembly (\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u0432 \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043c\u0430\u0448\u0438\u043d\u0435 WebAssembly, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0438\u043b\u0438 \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u043c\u0443 […]<\/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-99784","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 Chrome 89.0.4389.128 friss\u00edt\u00e9se a 0-day sebezhet\u0151s\u00e9g orvosl\u00e1s\u00e1val. 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