{"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\/it\/blog\/news\/kriticheskaya-uyazvimost-v-wordpress-plagine-wpdiscuz-naschityvayushhem-80-tysyach-ustanovok","title":{"rendered":"Vulnerabilit\u00e0 critica nel plugin WordPress wpDiscuz, che conta 80 mila installazioni","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nel plugin WordPress <noindex><a rel=\"nofollow\" href=\"https:\/\/wordpress.org\/plugins\/wpdiscuz\/\">wpDiscuz<\/a><\/noindex>, installato su oltre 80.000 siti, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.wordfence.com\/blog\/2020\/07\/critical-arbitrary-file-upload-vulnerability-patched-in-wpdiscuz-plugin\/\">\u00e8 stata rilevata<\/a><\/noindex> una vulnerabilit\u00e0 critica che consente il caricamento di qualsiasi file sul server senza autenticazione. \u00c8 possibile caricare file PHP e far eseguire il proprio codice sul server. Le versioni dalla 7.0.0 alla 7.0.4 inclusa sono vulnerabili. La vulnerabilit\u00e0 \u00e8 stata risolta nella versione 7.0.5.<\/p>\n<p>Il plugin wpDiscuz consente l'uso di AJAX per l'invio dinamico di commenti senza ricaricare la pagina. La vulnerabilit\u00e0 \u00e8 causata da un difetto nel codice di controllo dei tipi di file caricati, utilizzato per allegare immagini ai commenti. Per limitare il caricamento di file arbitrari veniva chiamata una funzione che determinava il tipo MIME in base al contenuto, facilmente eludibile per caricare file PHP. L'estensione del file non era limitata. Ad esempio, era possibile caricare un file myphpfile.php, specificando inizialmente la sequenza 89 50 4E 47 0D 0A 1A 0A, che identifica le immagini PNG, seguita da un blocco &#171;&lt;?php&#187; con codice PHP.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0431\u0435\u0437 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c \u043b\u044e\u0431\u043e\u0439 \u0444\u0430\u0439\u043b \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440. \u0412 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043c\u043e\u0436\u043d\u043e \u0437\u0430\u0433\u0440\u0443\u0437\u0438\u0442\u044c PHP-\u0444\u0430\u0439\u043b\u044b \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0435 \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u044b \u0432\u0435\u0440\u0441\u0438\u0438 \u0441 7.0.0 \u043f\u043e 7.0.4 \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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