{"id":181731,"date":"2026-05-25T20:48:17","date_gmt":"2026-05-25T18:48:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novaya-uyazvimost-v-rewrite-module-nginx"},"modified":"2026-05-25T20:48:17","modified_gmt":"2026-05-25T18:48:17","slug":"novaya-uyazvimost-v-rewrite-module-nginx","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/novaya-uyazvimost-v-rewrite-module-nginx","title":{"rendered":"Nov\u00e1 zranite\u013enos\u0165 v rewrite-module nginx","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <\/p>\n<p>\u010coskoro po objaven\u00ed <a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/security\/18295901\">18-ro\u010dn\u00e9ho<\/a> potenci\u00e1lneho RCE bolo objaven\u00e9 \u010fal\u0161ie, <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-9256\">CVE-2026-9256<\/a>, tentokr\u00e1t e\u0161te dlh\u0161ie&nbsp;&mdash; 21 rok, po\u010dn\u00fac verziou 0.1.17, vydanou na za\u010diatku roku 2005.<\/noindex><br \/>\nNa zneu\u017eitie zranite\u013enosti je potrebn\u00e9 ma\u0165 v konfigur\u00e1cii servera direkt\u00edvu rewrite, ktor\u00e1:\n<\/p>\n<ul>\n<li> m\u00e1 v prvom argumente prekr\u00fdvaj\u00face sa pomenovan\u00e9 parametre regul\u00e1rneho v\u00fdrazu,\n<\/li>\n<li> v druhom pou\u017e\u00edva dva alebo viac z nich, ale nepou\u017e\u00edvaj\u00fa sa premenn\u00e9,\n<\/li>\n<li> pri\u010dom je bu\u010f uveden\u00fd typ &#171;redirect&#187;, alebo sa parametre v druhom argumente nach\u00e1dzaj\u00fa za ot\u00e1znikom.\n<\/li>\n<\/ul>\n<p>\nPr\u00edklady:<br \/>\nrewrite ^\/((.*))$ http:\/\/127.0.0.1:8080\/$1$2 redirect;<br \/>\nrewrite ^\/((.*))$ http:\/\/127.0.0.1:8080\/?$1$2;<\/p>\n<p>Oba dostan\u00fa prete\u010denie z\u00e1sobn\u00edka pri spracovan\u00ed po\u017eiadavky &#171;\\\/++++++++++++++++++++++++++++++&#187;.<\/p>\n<p>Ako aj pri predo\u0161lej zranite\u013enosti, v tomto pr\u00edpade vypo\u010d\u00edtan\u00e1 d\u013a\u017eka z\u00e1sobn\u00edka nemus\u00ed zodpoveda\u0165 skuto\u010dn\u00e9mu po\u010dtu zap\u00edsan\u00fdch do\u0148 \u00fadajov&nbsp;&mdash; pri v\u00fdpo\u010dte d\u013a\u017eky nebolo v\u0161ade zoh\u013eadnen\u00e9 mo\u017en\u00e9 zaslanie \u00fanikov.<\/p>\n<p>Vy\u0161\u0161ie uveden\u00e9 m\u00f4\u017ee vies\u0165 k p\u00e1du pracovn\u00e9ho procesu nginx, a pri absencii ALSR&nbsp;&mdash; k RCE. Ako po\u013eah\u010duj\u00facu okolnos\u0165 mo\u017eno uvies\u0165 e\u0161te men\u0161iu pravdepodobnos\u0165 stretnutia zranite\u013en\u00fdch kon\u0161trukci\u00ed v konfigur\u00e1cii, ne\u017e minul\u00fd raz.<\/p>\n<p>Chyba bola opraven\u00e1 vo verzi\u00e1ch 1.30.2 a 1.31.1 (<a rel=\"nofollow\" href=\"https:\/\/github.com\/nginx\/nginx\/commit\/ca4f92a27464ae6c2082245e4f67048c633aa032\">komit opravy<\/a>).\n<\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/security\/18300022\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0441\u043a\u043e\u0440\u0435 \u043f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f 18-\u043b\u0435\u0442\u043d\u0435\u0433\u043e \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e RCE \u0431\u044b\u043b\u043e \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043e \u0435\u0449\u0451 \u043e\u0434\u043d\u043e, CVE-2026-9256, \u043d\u0430 \u044d\u0442\u043e\u0442 \u0440\u0430\u0437 \u043f\u0440\u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043e\u0432\u0430\u0432\u0448\u0435\u0435 \u0435\u0449\u0451 \u0434\u043e\u043b\u044c\u0448\u0435&nbsp;&mdash; 21 \u0433\u043e\u0434, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0440\u0441\u0438\u0438 0.1.17, \u0432\u044b\u043f\u0443\u0449\u0435\u043d\u043d\u043e\u0439 \u0432 \u043d\u0430\u0447\u0430\u043b\u0435 2005 \u0433\u043e\u0434\u0430. \u0414\u043b\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u043d\u0430\u043b\u0438\u0447\u0438\u0435 \u0432 \u043a\u043e\u043d\u0444\u0438\u0433\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u044b rewrite, \u0443 \u043a\u043e\u0442\u043e\u0440\u043e\u0439: \u0432 \u043f\u0435\u0440\u0432\u043e\u043c \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0435 \u0438\u043c\u0435\u044e\u0442\u0441\u044f \u043f\u0435\u0440\u0435\u043a\u0440\u044b\u0432\u0430\u044e\u0449\u0438\u0435\u0441\u044f \u0432\u044b\u0434\u0435\u043b\u044f\u0435\u043c\u044b\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0440\u0435\u0433\u0443\u043b\u044f\u0440\u043d\u043e\u0433\u043e \u0432\u044b\u0440\u0430\u0436\u0435\u043d\u0438\u044f, \u0432\u043e \u0432\u0442\u043e\u0440\u043e\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u0432\u0430 \u0438\u043b\u0438 \u0431\u043e\u043b\u044c\u0448\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-181731","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=\"\u0412\u0441\u043a\u043e\u0440\u0435 \u043f\u043e\u0441\u043b\u0435 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f 18-\u043b\u0435\u0442\u043d\u0435\u0433\u043e \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e\u0433\u043e RCE \u0431\u044b\u043b\u043e \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043e \u0435\u0449\u0451 \u043e\u0434\u043d\u043e,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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