{"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\/de\/blog\/novosti-interneta\/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":"

Die Entwickler der Server-JavaScript-Plattform Node.js haben die Korrekturversionen 12.22.4, 14.17.4 und 16.6.0 ver\u00f6ffentlicht, in denen teilweise eine Sicherheitsanf\u00e4lligkeit (CVE-2021-22930) im http2-Modul (HTTP\/2.0-Client) behoben wurde. Diese konnte dazu f\u00fchren, dass der Prozess abst\u00fcrzt oder potenziell die Ausf\u00fchrung schadhafter Code in das System erm\u00f6glicht wurde, wenn auf einen von einem Angreifer kontrollierten Host zugegriffen wird. <\/p>\n

Das Problem entsteht durch den Zugriff auf bereits freigegebenen Speicherplatz beim Schlie\u00dfen der Verbindung nach dem Erhalt von RST_STREAM-Frames (Stream-Reset) f\u00fcr Streams, in denen intensive Leseoperationen die Schreibvorg\u00e4nge blockieren. Bei Empfang eines RST_STREAM-Frames ohne Fehlercode ruft das http2-Modul zus\u00e4tzlich die Bereinigungsprozedur f\u00fcr bereits empfangene Daten auf, aus der f\u00fcr den bereits geschlossenen Stream erneut der Schlie\u00dfhandler aufgerufen wird, was zu einer doppelten Freigabe der Datenstrukturen f\u00fchrt. <\/p>\n

In der Diskussion \u00fcber die Behebung wird festgestellt, dass das Problem nicht vollst\u00e4ndig gel\u00f6st ist und unter leicht ver\u00e4nderten Bedingungen weiterhin in den ver\u00f6ffentlichten Updates auftritt. Die Analyse hat gezeigt, dass die Behebung nur einen speziellen Fall abdeckt \u2013 n\u00e4mlich wenn der Stream sich im Lesemodus befindet, jedoch andere Zustandskombinationen (Lesen und Pausieren, Pausieren und einige Arten von Schreiben) nicht ber\u00fccksichtigt werden.
\n
Quelle: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 […]<\/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-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\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\n","aioseo_head_json":{"title":"\ud83e\udd47Sicherheitsanf\u00e4lligkeit im http2-Modul von Node.js | ProHoster","description":"Die Entwickler der serverseitigen JavaScript-Plattform Node.js haben die sicherheitsrelevanten Versionen 12.22.4, 14.17.4 und 16.6.0 ver\u00f6ffentlicht, in denen eine teilweise Behebung der Sicherheitsanf\u00e4lligkeit (CVE-2021-22930) im http2-Modul (HTTP\/2.0-Client) erfolgt ist, die einen Absturz des Prozesses ausl\u00f6sen oder m\u00f6glicherweise die Ausf\u00fchrung von eigenem Code im System bei Zugriff auf einen vom Angreifer kontrollierten Host erm\u00f6glichen kann. Das Problem entsteht durch den Zugriff auf einen bereits freigegebenen Speicherbereich beim Schlie\u00dfen der Verbindung nach dem Empfang von RST_STREAM-Frames.","canonical_url":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/uyazvimost-v-http2-module-iz-sostava-node-js","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"de_DE","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\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 | ProHoster","og:description":"\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","og:url":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/uyazvimost-v-http2-module-iz-sostava-node-js","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":"2021-07-31T08:22:46+00:00","article:modified_time":"2021-07-31T08:22:46+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"100877","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-07-31 09:10:55","updated":"2022-09-29 22:16:03"},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/posts\/100877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/comments?post=100877"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/posts\/100877\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/media?parent=100877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/categories?post=100877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/de\/wp-json\/wp\/v2\/tags?post=100877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}