{"id":84987,"date":"2020-06-12T13:42:17","date_gmt":"2020-06-12T11:42:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/udalyonno-ekspluatiruemaya-uyazvimost-v-biblioteke-gnu-adns"},"modified":"2020-06-12T13:42:17","modified_gmt":"2020-06-12T11:42:17","slug":"udalyonno-ekspluatiruemaya-uyazvimost-v-biblioteke-gnu-adns","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/udalyonno-ekspluatiruemaya-uyazvimost-v-biblioteke-gnu-adns","title":{"rendered":"Eine entfernte Ausnutzungsschwachstelle in der GNU adns-Bibliothek","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In der im Rahmen des GNU-Projekts entwickelten Bibliothek zur Durchf\u00fchrung von DNS-Abfragen, adns <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lists\/oss-security\/2020\/06\/11\/2\">entdeckt<\/a><\/noindex> sind 7 Schwachstellen identifiziert, von denen vier Probleme (<noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2017-9103\">CVE-2017-9103<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2017-9104\">CVE-2017-9104<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2017-9105\">CVE-2017-9105<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2017-9109\">CVE-2017-9109<\/a><\/noindex>) f\u00fcr einen Angriff zur Ausf\u00fchrung von Schadcode im System ausgenutzt werden k\u00f6nnen. Die verbleibenden drei Schwachstellen k\u00f6nnen zu einem Denial of Service f\u00fchren, indem sie einen Absturz der Anwendung verursachen, die adns verwendet.<\/p>\n<p>Paket <noindex><a rel=\"nofollow\" href=\"https:\/\/www.gnu.org\/software\/adns\/\">adns<\/a><\/noindex> beinhaltet eine C-Bibliothek und ein Set von Tools zur Durchf\u00fchrung von DNS-Abfragen im asynchronen Modus oder unter Verwendung eines ereignisgesteuerten Modells (Event-driven). Die Probleme wurden in den Versionen  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.chiark.greenend.org.uk\/pipermail\/adns-announce\/2020\/000004.html\">1.5.2 und 1.6.0<\/a><\/noindex>behoben. Die Schwachstellen erm\u00f6glichen es, Anwendungen anzugreifen, die adns-Funktionen aufrufen, durch die R\u00fcckgabe einer speziell gestalteten Antwort oder von SOA\/RP-Feldern durch einen rekursiven DNS-Server.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53141\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c GNU \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 \u0434\u043b\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f DNS-\u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 adns \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e 7 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0447\u0435\u0442\u044b\u0440\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b (CVE-2017-9103, CVE-2017-9104, CVE-2017-9105, CVE-2017-9109) \u043c\u043e\u0433\u0443\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u041e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u0442\u0440\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0442 \u043a \u043e\u0442\u043a\u0430\u0437\u0443 \u0432 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u0438 \u0447\u0435\u0440\u0435\u0437 \u0432\u044b\u0437\u043e\u0432 \u043a\u0440\u0430\u0445\u0430 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0435\u0433\u043e adns. \u041f\u0430\u043a\u0435\u0442 adns \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u0421\u0438-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0438 \u043d\u0430\u0431\u043e\u0440 \u0443\u0442\u0438\u043b\u0438\u0442 \u0434\u043b\u044f [&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-84987","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" 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