{"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\/pl\/blog\/news\/uyazvimost-v-php-pozvolyayushhaya-vypolnit-kod-pri-rabote-v-rezhime-cgi","title":{"rendered":"Vulnerability in PHP allowing code execution in CGI mode","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>W PHP zidentyfikowano luk\u0119 (CVE-2024-4577), kt\u00f3ra umo\u017cliwia wykonanie w\u0142asnego kodu na serwerze lub przegl\u0105danie kodu \u017ar\u00f3d\u0142owego skryptu PHP w przypadku u\u017cywania PHP w trybie CGI na platformie Windows (konfiguracje z mod_php, php-fpm i FastCGI nie s\u0105 podatne na t\u0119 luk\u0119). Problem zosta\u0142 rozwi\u0105zany w wersjach PHP 8.3.8, 8.2.20 i 8.1.29.<\/p>\n<p>Luka jest szczeg\u00f3lnym przypadkiem naprawionej w 2012 roku luki CVE-2012-1823, dla kt\u00f3rej nie wystarczy\u0142o wprowadzenie dodatkowej ochrony w celu zablokowania ataku na platformie Windows. Metoda ataku polega na mo\u017cliwo\u015bci podstawienia argumentu wiersza polece\u0144 podczas uruchamiania interpreter PHP poprzez manipulacj\u0119 parametrami zapytania do skryptu PHP. <\/p>\n<p>W starej podatno\u015bci CVE-2012-1823, aby j\u0105 wykorzysta\u0107, wystarczy\u0142o poda\u0107 opcje wiersza polece\u0144 zamiast parametr\u00f3w \u017c\u0105dania, na przyk\u0142ad, &#171;http:\/\/localhost\/index.php?-s&#187; aby pokaza\u0107 kod \u017ar\u00f3d\u0142owy skryptu. Nowa podatno\u015b\u0107 opiera si\u0119 na tym, \u017ce platforma Windows automatycznie przekszta\u0142ca znaki, co pozwala na obej\u015bcie wcze\u015bniej dodanej ochrony, wskazuj\u0105c znaki obecne w niekt\u00f3rych kodowaniach, kt\u00f3re s\u0105 zast\u0119powane znakiem &#171;-&#187; (na przyk\u0142ad http:\/\/localhost\/index.php?s). <\/p>\n<p>Luka zosta\u0142a potwierdzona w konfiguracjach z lokalizacjami dla tradycyjnego chi\u0144skiego (cp950), uproszczonego chi\u0144skiego (cp936) i japo\u0144skiego (cp932), ale nie wyklucza si\u0119 r\u00f3wnie\u017c jej wyst\u0105pienia w innych lokalizacjach. Problem pojawia si\u0119 w konfiguracji domy\u015blnej zestawu XAMPP (Apache + MariaDB + PHP + Perl), a tak\u017ce w dowolnych konfiguracjach Apache, w kt\u00f3rych php-cgi jest ustawione jako handler skrypt\u00f3w CGI poprzez konfiguracj\u0119 \u2018Action cgi-script \"\/cgi-bin\/php-cgi.exe\"\u2019 lub \u2018Action application\/x-httpd-php-cgi \"\/php-cgi\/php-cgi.exe\"\u2019, lub przy bezpo\u015brednim umieszczeniu interpretera PHP w \"\/cgi-bin\" i innych katalogach, w kt\u00f3rych dozwolone jest wykonywanie skrypt\u00f3w CGI poprzez dyrektyw\u0119 ScriptAlias.<br \/>\n&#8216;Action cgi-script &#171;\/cgi-bin\/php-cgi.exe&#187;&#8216; lub &#8216;Action application\/x-httpd-php-cgi &#171;\/php-cgi\/php-cgi.exe&#187;&#8216;, lub przy bezpo\u015brednim umieszczeniu interpretatora php w &#171;\/cgi-bin&#187; oraz w innych katalogach, gdzie dozwolone jest wykonywanie skrypt\u00f3w CGI za pomoc\u0105 dyrektywy ScriptAlias.<\/p>\n<p>CVE-2024-5458 \u2014 mo\u017cliwo\u015b\u0107 obej\u015bcia filtru FILTER_VALIDATE_URL, u\u017cywanego podczas wywo\u0142ywania funkcji filter_var. <\/p>\n<ul>\n<li class=\"l\"> CVE-2024-5458 &#8212; mo\u017cliwo\u015b\u0107 obej\u015bcia filtru<br \/>\n   Podatno\u015b\u0107 funkcji openssl_private_decrypt na atak Marvin.<\/p>\n<li class=\"l\">  CVE-2024-5585 &#8212; alternatywny wektor ataku na podatno\u015b\u0107 CVE-2024-1874, pozwalaj\u0105cy na obej\u015bcie wcze\u015bniej dodanej ochrony i wykonanie substytucji polece\u0144 przy wywo\u0142aniu plik\u00f3w bat i cmd za pomoc\u0105 funkcji proc_open na platformie Windows (podatno\u015b\u0107 BatBadBut).\n<li class=\"l\"> Podatno\u015b\u0107 funkcji openssl_private_decrypt na atak Marvin.\n<\/ul>\n<p>\u0179r\u00f3d\u0142o: <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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wykonanie w\u0142asnego kodu na serwerze lub podgl\u0105danie kodu \u017ar\u00f3d\u0142owego skryptu PHP w przypadku korzystania z PHP w trybie CGI na platformie Windows (konfiguracje z.","canonical_url":"https:\/\/prohoster.info\/pl\/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":"pl_PL","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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