{"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\/lv\/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 server-side JavaScript platform developers have released corrective versions 12.22.4, 14.17.4, and 16.6.0, which partially address the vulnerability (CVE-2021-22930) in the http2 module (HTTP\/2.0 client) that allows a crash of the process to be initiated or potentially enables the execution of arbitrary code on the system when accessing a host controlled by an attacker.     <\/p>\n<p>The issue is caused by accessing an already freed memory area when closing a connection after receiving RST_STREAM frames (stream reset) for streams where intensive read operations are performed that block writing. If an RST_STREAM frame is received without an error code, the http2 module additionally invokes the cleanup procedure for already received data, which causes the closure handler to be called again for an already closed stream, leading to a double freeing of data structures.        <\/p>\n<p>The discussion on the fix notes that the problem is not fully resolved and continues to manifest under slightly modified conditions in the published updates. The analysis showed that the fix only covers one specific case \u2014 when the stream is in reading mode, but does not account for other stream states (reading and paused, paused, and certain types of writing).<br \/>\n<br \/>Avots: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55568\">opennet.lv<\/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 \u043f\u043e\u0434\u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u043e\u043c\u0443 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0443 \u0445\u043e\u0441\u0442\u0443. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \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\u043e\u0439 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u0438 \u0437\u0430\u043a\u0440\u044b\u0442\u0438\u0438 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f \u043f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u043a\u0430\u0434\u0440\u043e\u0432 RST_STREAM [&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 5.0.4 - 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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