{"id":82511,"date":"2020-05-22T07:42:23","date_gmt":"2020-05-22T05:42:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-apache-tomcat-dopuskayushhaya-udalyonnoe-vypolnenie-koda"},"modified":"2020-05-22T07:42:23","modified_gmt":"2020-05-22T05:42:23","slug":"uyazvimost-v-apache-tomcat-dopuskayushhaya-udalyonnoe-vypolnenie-koda","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/uyazvimost-v-apache-tomcat-dopuskayushhaya-udalyonnoe-vypolnenie-koda","title":{"rendered":"Eine Schwachstelle in Apache Tomcat, die die Remote-Ausf\u00fchrung von Code zul\u00e4sst","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/announce@tomcat.apache.org\/msg00414.html\">Ver\u00f6ffentlicht<\/a> Information zur Schwachstelle (CVE-2020-9484) in Apache Tomcat, einer Open-Source-Implementierung der Java Servlet-Technologien, JavaServer Pages, Java Expression Language und Java WebSocket. Das Problem erm\u00f6glicht die Ausf\u00fchrung von Code auf dem Server durch das Senden einer speziell formatierten Anfrage. Die Schwachstelle wurde in den Versionen Apache Tomcat 10.0.0-M5, 9.0.35, 8.5.55 und 7.0.104 behoben.<\/p>\n<p>Um die Schwachstelle erfolgreich auszunutzen, muss der Angreifer in der Lage sein, den Inhalt und den Namen der Datei zu kontrollieren auf <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/de\/server\/dts-dronten\/\" title=\"Server\" data-wpil-keyword-link=\"linked\">Server<\/a> (zum Beispiel, wenn die Anwendung die M\u00f6glichkeit zum Hochladen von Dokumenten oder Bildern bietet). Dar\u00fcber hinaus kann der Angriff nur auf Systemen erfolgen, die einen PersistenceManager mit einem FileStore verwenden, bei dem die Einstellung sessionAttributeValueClassNameFilter auf &#171;null&#187; (standardm\u00e4\u00dfig, wenn kein SecurityManager angewendet wird) oder auf einen schwachen Filter gesetzt ist, der die Deserialisierung von Objekten zul\u00e4sst. Der Angreifer muss auch den Pfad zur von ihm kontrollierten Datei im Verh\u00e4ltnis zum Speicherort des FileStore kennen oder erraten.<\/p>\n<p><a rel=\"nofollow\" name=\"link\"><\/a><\/p>\n<p>Quelle: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53001\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2020-9484) \u0432 Apache Tomcat, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0439 Java Servlet, JavaServer Pages, Java Expression Language \u0438 Java WebSocket. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0440\u043e\u0441\u0430. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 Apache Tomcat 10.0.0-M5, 9.0.35, 8.5.55 \u0438 7.0.104. \u0414\u043b\u044f \u0443\u0441\u043f\u0435\u0448\u043d\u043e\u0439 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u0434\u043e\u043b\u0436\u0435\u043d \u0438\u043c\u0435\u0442\u044c \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 \u0438 [&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-82511","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\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2020-9484) \u0432 Apache Tomcat, 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