{"id":99203,"date":"2021-02-19T22:23:02","date_gmt":"2021-02-19T20:23:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-brave-vyyavlena-utechka-cherez-dns-svedenij-ob-otkryvaemyh-v-tor-rezhime-onion-sajtah"},"modified":"2021-02-19T22:23:02","modified_gmt":"2021-02-19T20:23:02","slug":"v-brave-vyyavlena-utechka-cherez-dns-svedenij-ob-otkryvaemyh-v-tor-rezhime-onion-sajtah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/v-brave-vyyavlena-utechka-cherez-dns-svedenij-ob-otkryvaemyh-v-tor-rezhime-onion-sajtah","title":{"rendered":"Im Brave-Browser wurde ein DNS-Leck festgestellt, das Informationen \u00fcber aufgerufene Onion-Websites im Tor-Modus preisgibt.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Im Webbrowser Brave wurde ein DNS-Datenleck bez\u00fcglich der Onion-Websites identifiziert, die im privaten Modus ge\u00f6ffnet werden, wobei der Datenverkehr \u00fcber das Tor-Netzwerk umgeleitet wird. Die erforderlichen Probleml\u00f6sungen wurden bereits in den Code von Brave integriert und werden in K\u00fcrze Teil des n\u00e4chsten stabilen Updates sein. <\/p>\n

Ursache des Lecks war ein Werbeblocker, der empfohlen wird, beim Arbeiten \u00fcber Tor zu deaktivieren. In letzter Zeit wird von Werbenetzwerken f\u00fcr den Umgehungsversuch von Adblockern die Lade von Werbebl\u00f6cken \u00fcber einen subdomain, die f\u00fcr die Website nativ ist, verwendet, weshalb auf dem DNS-Server, der die Website bedient, ein CNAME-Eintrag erstellt wird, der auf den Host des Werbenetzwerks verweist. So wird der Werbecode formal von derselben prim\u00e4ren der Domain unterscheiden, gesetzt werden.<\/a>, wie die Website geladen und wird daher nicht blockiert. Um solche Manipulationen zu erkennen und den \u00fcber CNAME verbundenen Host zu bestimmen, f\u00fchren Werbeblocker eine zus\u00e4tzliche DNS-Namensaufl\u00f6sung durch. <\/p>\n

In Brave wurden normale DNS-Anfragen beim \u00d6ffnen der Website im privaten Modus \u00fcber das Tor-Netzwerk geleitet, aber der Werbeblocker f\u00fchrte die CNAME-Aufl\u00f6sung \u00fcber den Haupt-DNS-Server durch, was zu einem Informationsleck \u00fcber die besuchten Onion-Websites auf dem DNS-Server des Anbieters f\u00fchrte. Bemerkenswert ist, dass der private Modus in Brave auf Basis von Tor nicht als Garant f\u00fcr Anonymit\u00e4t positioniert wird und die Benutzer in der Dokumentation gewarnt werden, dass er den Tor Browser nicht ersetzt, sondern nur Tor als Proxy verwendet.
\n
Quelle: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u0432\u0440\u0435\u043c\u044f […]<\/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-99203","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\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\udd47Im Brave wurde ein DNS-Datenleck bez\u00fcglich der im Tor-Modus ge\u00f6ffneten Onion-Websites identifiziert | ProHoster","description":"Im Webbrowser Brave wurde ein DNS-Datenleck bez\u00fcglich der Onion-Websites identifiziert, die im privaten Modus ge\u00f6ffnet werden, wobei der Datenverkehr \u00fcber das Tor-Netzwerk umgeleitet 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