{"id":90583,"date":"2020-08-03T01:42:25","date_gmt":"2020-08-02T23:42:25","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kriticheskaya-uyazvimost-v-wordpress-plagine-wpdiscuz-naschityvayushhem-80-tysyach-ustanovok"},"modified":"2020-08-03T01:42:25","modified_gmt":"2020-08-02T23:42:25","slug":"kriticheskaya-uyazvimost-v-wordpress-plagine-wpdiscuz-naschityvayushhem-80-tysyach-ustanovok","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/kriticheskaya-uyazvimost-v-wordpress-plagine-wpdiscuz-naschityvayushhem-80-tysyach-ustanovok","title":{"rendered":"Eine kritische Sicherheitsanf\u00e4lligkeit im WordPress-Plugin wpDiscuz, das \u00fcber 80.000 Installationen umfasst.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Im WordPress-Plugin <noindex><a rel=\"nofollow\" href=\"https:\/\/wordpress.org\/plugins\/wpdiscuz\/\">wpDiscuz<\/a><\/noindex>, das auf mehr als 80.000 Websites installiert ist, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wordfence.com\/blog\/2020\/07\/critical-arbitrary-file-upload-vulnerability-patched-in-wpdiscuz-plugin\/\">wurde<\/a><\/noindex> eine gef\u00e4hrliche Sicherheitsanf\u00e4lligkeit, die es erm\u00f6glicht, ohne Authentifizierung beliebige Dateien auf den Server hochzuladen. Dazu geh\u00f6ren auch PHP-Dateien, wodurch die Ausf\u00fchrung eigenen Codes auf dem Server m\u00f6glich wird. Die betroffenen Versionen sind die zwischen 7.0.0 und 7.0.4 inklusive. Der Sicherheitsfehler wurde mit der Version 7.0.5 behoben.<\/p>\n<p>Das Plugin wpDiscuz erm\u00f6glicht die Verwendung von AJAX f\u00fcr das dynamische Einreichen von Kommentaren, ohne die Seite neu zu laden. Die Sicherheitsanf\u00e4lligkeit resultiert aus einem Mangel in der \u00dcberpr\u00fcfung der hochgeladenen Dateitypen, die zum Anh\u00e4ngen von Bildern an Kommentare verwendet wird. Die Funktion zur Bestimmung des MIME-Typs basierte auf dem Inhalt, was leicht umgangen werden konnte, um PHP-Dateien hochzuladen. Die Dateierweiterung wurde nicht eingeschr\u00e4nkt. Zum Beispiel konnte eine Datei myphpfile.php hochgeladen werden, indem an den Anfang die Sequenz 89 50 4E 47 0D 0A 1A 0A angef\u00fcgt wurde, die PNG-Bilder identifiziert, gefolgt von einem Block &#171;&lt;?php&#187; mit PHP-Code.<\/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=53477\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 WordPress-\u043f\u043b\u0430\u0433\u0438\u043d\u0435 wpDiscuz, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d \u043d\u0430 \u0431\u043e\u043b\u0435\u0435 \u0447\u0435\u043c 80 \u0442\u044b\u0441\u044f\u0447\u0430\u0445 \u0441\u0430\u0439\u0442\u043e\u0432, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043e\u043f\u0430\u0441\u043d\u0430\u044f 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\u0432\u043a\u043b\u044e\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e. \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\u0435 7.0.5. \u041f\u043b\u0430\u0433\u0438\u043d wpDiscuz \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f AJAX \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-90583","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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