{"id":116414,"date":"2024-06-07T12:05:45","date_gmt":"2024-06-07T10:05:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-php-pozvolyayushhaya-vypolnit-kod-pri-rabote-v-rezhime-cgi"},"modified":"2024-06-07T12:05:45","modified_gmt":"2024-06-07T10:05:45","slug":"uyazvimost-v-php-pozvolyayushhaya-vypolnit-kod-pri-rabote-v-rezhime-cgi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/uyazvimost-v-php-pozvolyayushhaya-vypolnit-kod-pri-rabote-v-rezhime-cgi","title":{"rendered":"Vulnerabilit\u00e0 in PHP che consente di eseguire codice quando si opera in modalit\u00e0 CGI","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata identificata una vulnerabilit\u00e0 in PHP (CVE-2024-4577) che consente di eseguire codice arbitrario sul server o di visualizzare il codice sorgente dello script PHP nel caso in cui PHP venga utilizzato in modalit\u00e0 CGI su piattaforme Windows (configurazioni con mod_php, php-fpm e FastCGI non sono colpite da questa vulnerabilit\u00e0). Il problema \u00e8 stato risolto nelle release PHP 8.3.8, 8.2.20 e 8.1.29.<\/p>\n<p>La vulnerabilit\u00e0 \u00e8 un caso specifico del problema correttamente risolto nel 2012, CVE-2012-1823, per il quale la protezione si \u00e8 rivelata insufficiente per fermare l'attacco su piattaforme Windows. Il metodo di attacco consiste nella possibilit\u00e0 di sostituire l'argomento della riga di comando durante l'avvio dell'interprete PHP mediante la manipolazione dei parametri della richiesta allo script PHP. <\/p>\n<p>Nella vecchia vulnerabilit\u00e0 CVE-2012-1823, era sufficiente specificare le opzioni della riga di comando anzich\u00e9 i parametri di richiesta, ad esempio, \u00abhttp:\/\/localhost\/index.php?-s\u00bb per mostrare il codice sorgente dello script. La nuova vulnerabilit\u00e0 si basa sul fatto che la piattaforma Windows fornisce una conversione automatica dei caratteri, consentendo di specificare caratteri presenti in alcune codifiche e sostituiti con il carattere \u00ab-\u00bb (ad esempio, http:\/\/localhost\/index.php?s). <\/p>\n<p>La vulnerabilit\u00e0 \u00e8 confermata in configurazioni con localizzazioni per il cinese tradizionale (cp950), cinese semplificato (cp936) e giapponese (cp932), ma non si esclude che possa manifestarsi anche con altre localizzazioni. Il problema si presenta nella configurazione predefinita nel pacchetto XAMPP (Apache + MariaDB + PHP + Perl), cos\u00ec come in qualsiasi configurazione Apache in cui php-cgi \u00e8 impostato come gestore di script CGI tramite la configurazione \u2018Action cgi-script \u201c\/cgi-bin\/php-cgi.exe\u201d\u2019 oppure \u2018Action application\/x-httpd-php-cgi \u201c\/php-cgi\/php-cgi.exe\u201d\u2019, o dopo il posizionamento diretto dell'interprete php in \u2018\/cgi-bin\u2019 e in altre directory in cui \u00e8 consentita l'esecuzione di script CGI tramite la direttiva ScriptAlias.<br \/>\n'Action cgi-script \u00ab\/cgi-bin\/php-cgi.exe\u00bb' o 'Action application\/x-httpd-php-cgi \u00ab\/php-cgi\/php-cgi.exe\u00bb', oppure posizionando direttamente l'interprete php in \u00ab\/cgi-bin\u00bb e in qualsiasi altra directory in cui \u00e8 consentita l'esecuzione di script CGI tramite la direttiva ScriptAlias.<\/p>\n<p>CVE-2024-5458 \u2014 possibilit\u00e0 di bypassare il filtro <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-5458 \u2014 possibilit\u00e0 di bypassare il filtro<br \/>\n   CVE-2024-5585 \u2014 un vettore di attacco alternativo alla vulnerabilit\u00e0 CVE-2024-1874, che consente di eludere la protezione precedentemente aggiunta e di effettuare sostituzioni di comandi durante la chiamata a file bat e cmd tramite la funzione proc_open su piattaforme Windows (vulnerabilit\u00e0 BatBadBut).<\/p>\n<li class=\"l\">  CVE-2024-5585 \u2014 vettore d'attacco alternativo alla vulnerabilit\u00e0 CVE-2024-1874, che consente di aggirare la protezione precedentemente installata e effettuare l'iniezione di comandi durante la chiamata di file bat e cmd tramite la funzione proc_open sulla piattaforma Windows (vulnerabilit\u00e0 BatBadBut).\n<li class=\"l\"> Vulnerabilit\u00e0 della funzione openssl_private_decrypt all'attacco Marvin.\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61332\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 PHP \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-4577), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \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 \u0438\u043b\u0438 \u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 PHP-\u0441\u043a\u0440\u0438\u043f\u0442\u0430 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f PHP \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 CGI \u043d\u0430 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u0435 Windows (\u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 \u0441 mod_php, php-fpm \u0438 FastCGI \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043d\u0435 \u043f\u043e\u0434\u0432\u0435\u0440\u0436\u0435\u043d\u044b). \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 PHP 8.3.8, 8.2.20 \u0438 8.1.29. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0447\u0430\u0441\u0442\u043d\u044b\u043c \u0441\u043b\u0443\u0447\u0430\u0435\u043c \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u043e\u0439 \u0432 2012 \u0433\u043e\u0434\u0443 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b CVE-2012-1823, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116414","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=\"\u0412 PHP \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-4577), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \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 \u0438\u043b\u0438 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consente l'esecuzione di codice arbitrario sul server o la visualizzazione del codice sorgente degli script PHP quando PHP \u00e8 utilizzato in modalit\u00e0 CGI su piattaforme Windows (configurazioni con.","canonical_url":"https:\/\/prohoster.info\/it\/blog\/news\/uyazvimost-v-php-pozvolyayushhaya-vypolnit-kod-pri-rabote-v-rezhime-cgi","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 PHP, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f 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