{"id":100877,"date":"2021-07-31T10:22:46","date_gmt":"2021-07-31T08:22:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-http2-module-iz-sostava-node-js"},"modified":"2021-07-31T10:22:46","modified_gmt":"2021-07-31T08:22:46","slug":"uyazvimost-v-http2-module-iz-sostava-node-js","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/uyazvimost-v-http2-module-iz-sostava-node-js","title":{"rendered":"\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 http2-\u043c\u043e\u0434\u0443\u043b\u0435 \u0438\u0437 \u0441\u043e\u0441\u0442\u0430\u0432\u0430 Node.js","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Node.js'i serveripoolsarendatud JavaScript-platvormi arendajad on v\u00e4lja andnud paranduste versioonid 12.22.4, 14.17.4 ja 16.6.0, milles on osaliselt k\u00f5rvaldatud haavatavus (CVE-2021-22930) http2 moodulis (HTTP\/2.0 klient), mis v\u00f5imaldab algatada protsessi kokkuvarisemise v\u00f5i potentsiaalselt t\u00e4ita oma koodi s\u00fcsteemis, kui p\u00f6\u00f6rduda pahatahtlikult kontrollitava hosti poole.     <\/p>\n<p>Probleem tuleneb juba vabastatud m\u00e4luala juurde p\u00e4\u00e4semisest, kui \u00fchendus l\u00f5petatakse p\u00e4rast RST_STREAM (voo l\u00e4htestamine) kaadrite vastuv\u00f5tmist intensiivsete lugemisoperatsioonide puhul, mis blokeerivad kirjutamise. Kui RST_STREAMi kaader saabub ilma veakoodita, kutsub http2 moodul t\u00e4iendavalt \u00fcles protseduuri juba vastuv\u00f5etud andmete puhastamiseks, mille k\u00e4igus kutsub suletud voo veel kord \u00fcles sulgemise t\u00f6\u00f6tlejat, mis p\u00f5hjustab andmestruktuuride kahekordse vabastamise.        <\/p>\n<p>Arutelu paranduse \u00fcle n\u00e4itab, et probleem ei ole t\u00e4ielikult k\u00f5rvaldatud ja j\u00e4tkab ilmnema avaldatud uuendustes veidi muudetud tingimustes. Anal\u00fc\u00fcs n\u00e4itas, et parandamine katab vaid \u00fche erijuhtumi \u2014 kui voog on lugemisre\u017eiimis, kuid ei arvestata voogude teisi olekuid (lugemine ja peatumine, peatumine ning m\u00f5ned kirjutamise viisid).<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55568\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u043e\u0439 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Node.js \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 12.22.4, 14.17.4 \u0438 16.6.0, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0447\u0430\u0441\u0442\u0438\u0447\u043d\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-22930) \u0432 \u043c\u043e\u0434\u0443\u043b\u0435 http2 (\u043a\u043b\u0438\u0435\u043d\u0442 HTTP\/2.0), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0438\u043d\u0438\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u0440\u0430\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0438\u043b\u0438 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0438 \u043a 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[&hellip;]<\/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-100877","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u043d\u043e\u0439 JavaScript-\u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Node.js \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 12.22.4, 14.17.4 \u0438 16.6.0, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 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