{"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\/ro\/blog\/news\/novaya-uyazvimost-v-rewrite-module-nginx","title":{"rendered":"O nou\u0103 vulnerabilitate \u00een modulul rewrite de nginx","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <\/p>\n<p>La scurt timp dup\u0103 descoperire, <a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/security\/18295901\">un RCE poten\u021bial de 18 ani a fost descoperit \u00eenc\u0103 un alt,<\/a> CVE-2026-9256, <a rel=\"nofollow\" href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-9256\">de data aceasta exist\u00e2nd chiar mai mult timp \u2013 21 de ani, \u00eencep\u00e2nd din versiunea 0.1.17, lansat\u0103 la \u00eenceputul anului 2005.<\/a>, de data a durat \u0219i mai mult&nbsp;&mdash; 21 de ani, \u00eencep\u00e2nd cu versiunea 0.1.17, lansat\u0103 la \u00eenceputul anului 2005.<\/noindex><br \/>\nun prim argument cu parametrii de expresie regulat\u0103 suprapusi,\n<\/p>\n<ul>\n<li> \u00een al doilea utiliz\u00e2nd dou\u0103 sau mai multe dintre acestea, dar f\u0103r\u0103 a folosi variabile,\n<\/li>\n<li> \u00een acest caz, fie este specificat tipul \u201eredirect\u201d, fie parametrii din al doilea argument se afl\u0103 dup\u0103 semnul \u00eentreb\u0103rii.\n<\/li>\n<li> \u00een acest caz, fie este specificat tipul &#171;redirect&#187;, fie parametrii din al doilea argument se afl\u0103 dup\u0103 semnul \u00eentreb\u0103rii.\n<\/li>\n<\/ul>\n<p>\nExemple:<br \/>\nrewrite ^\\\/((.*))$ http:\\\/\\\/127.0.0.1:8080\\\/?$1$2;<br \/>\nAmbele vor suferi de o suprascriere a bufferului la procesarea cererii \u201e\\\/++++++++++++++++++++++++++++++\u201d.<\/p>\n<p>Ambele vor suferi de o dep\u0103\u0219ire a buffer-ului la procesarea cererii &#171;\\\/++++++++++++++++++++++++++++++&#187;.<\/p>\n<p>Ca \u0219i \u00een vulnerabilitatea anterioar\u0103, \u00een acest caz, lungimea calculat\u0103 a buffer-ului poate s\u0103 nu corespund\u0103 cu cantitatea real\u0103 de date scrise \u00een acesta&nbsp;&mdash; \u00een calculul lungimii nu s-a luat \u00een considerare \u00eentotdeauna o posibil\u0103 escapare.<\/p>\n<p>Descrierea de mai sus poate duce la pr\u0103bu\u0219irea procesului de lucru nginx, iar \u00een absen\u021ba ALSR&nbsp;&mdash; la RCE. Ca un factor de atenuare, se poate men\u021biona c\u0103 este mai pu\u021bin probabil s\u0103 \u00eent\u00e2lne\u0219ti construc\u021bii vulnerabile \u00een configura\u021bie dec\u00e2t data trecut\u0103.<\/p>\n<p>comiterea corect\u0103rii<a rel=\"nofollow\" href=\"https:\/\/github.com\/nginx\/nginx\/commit\/ca4f92a27464ae6c2082245e4f67048c633aa032\">La scurt timp dup\u0103 descoperirea unui RCE poten\u021bial de 18 ani a fost descoperit \u00eenc\u0103 un alt,<\/a>).\n<\/p>\n<p>Sursa: <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 5.0.2.1 - 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 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