{"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\/hu\/blog\/news\/uyazvimost-v-apache-tomcat-dopuskayushhaya-udalyonnoe-vypolnenie-koda","title":{"rendered":"Sebezhet\u0151s\u00e9g az Apache Tomcat-ben, amely t\u00e1voli k\u00f3dfuttat\u00e1st tesz lehet\u0151v\u00e9","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\">Megjelentek<\/a> A CVE-2020-9484 vulnerability in Apache Tomcat, the open implementation of Java Servlet, JavaServer Pages, Java Expression Language, and Java WebSocket technologies. This issue allows for code execution on the server through the sending of a specially crafted request. The vulnerability has been fixed in releases Apache Tomcat 10.0.0-M5, 9.0.35, 8.5.55, and 7.0.104.<\/p>\n<p>For the successful exploitation of the vulnerability, the attacker must have the ability to control the content and name of the file on <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-dronten\/\" title=\"szerveren\" data-wpil-keyword-link=\"linked\">szerveren<\/a> (p\u00e9ld\u00e1ul, ha az alkalmaz\u00e1sban lehet\u0151s\u00e9g van dokumentumok vagy k\u00e9pek felt\u00f6lt\u00e9s\u00e9re). Ezenk\u00edv\u00fcl a t\u00e1mad\u00e1s csak olyan rendszereken lehets\u00e9ges, ahol a PersistenceManager a FileStore t\u00e1rol\u00f3t haszn\u00e1l, melynek be\u00e1ll\u00edt\u00e1saiban a sessionAttributeValueClassNameFilter param\u00e9ter &#171;null&#187; \u00e9rt\u00e9kre van \u00e1ll\u00edtva (alap\u00e9rtelmez\u00e9s szerint, ha nem alkalmaznak SecurityManagert) vagy egy gyenge sz\u0171r\u0151 van kiv\u00e1lasztva, amely lehet\u0151v\u00e9 teszi az objektum deszerializ\u00e1l\u00e1s\u00e1t. A t\u00e1mad\u00f3nak tudnia kell vagy ki kell tal\u00e1lnia a vez\u00e9relt f\u00e1jlhoz vezet\u0151 utat a FileStore t\u00e1rol\u00f3 helyzet\u00e9hez viszony\u00edtva.<\/p>\n<p><a rel=\"nofollow\" name=\"link\"><\/a><\/p>\n<p>Forr\u00e1s: <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 5.0.3 - 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 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