{"id":104440,"date":"2022-06-17T15:36:50","date_gmt":"2022-06-17T13:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/ataka-na-sistemy-cherez-wordpress-plagin-ninja-forms-naschityvayushhij-bolee-milliona-ustanovok"},"modified":"2022-06-17T15:36:50","modified_gmt":"2022-06-17T13:36:50","slug":"ataka-na-sistemy-cherez-wordpress-plagin-ninja-forms-naschityvayushhij-bolee-milliona-ustanovok","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/ataka-na-sistemy-cherez-wordpress-plagin-ninja-forms-naschityvayushhij-bolee-milliona-ustanovok","title":{"rendered":"\u00datok na syst\u00e9my cez WordPress-plugin Ninja Forms, ktor\u00fd m\u00e1 viac ako mili\u00f3n in\u0161tal\u00e1ci\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V doplnku Ninja Forms pre WordPress, ktor\u00fd m\u00e1 viac ako mili\u00f3n akt\u00edvnych in\u0161tal\u00e1ci\u00ed, bola zisten\u00e1 kritick\u00e1 zranite\u013enos\u0165 (CVE e\u0161te nebolo pridelen\u00e9), ktor\u00e1 umo\u017e\u0148uje neopr\u00e1vnenej osobe z\u00edska\u0165 \u00fapln\u00fa kontrolu nad str\u00e1nkou. Probl\u00e9m bol odstr\u00e1nen\u00fd vo verzi\u00e1ch 3.0.34.2, 3.1.10, 3.2.28, 3.3.21.4, 3.4.34.2, 3.5.8.4 a 3.6.11. Uv\u00e1dza sa, \u017ee zranite\u013enos\u0165 sa u\u017e pou\u017e\u00edva na vykon\u00e1vanie \u00fatokov, a aby sa situ\u00e1cia dorie\u0161ila, v\u00fdvoj\u00e1ri platformy WordPress iniciovali n\u00faten\u00fa automatick\u00fa in\u0161tal\u00e1ciu aktualiz\u00e1cie na str\u00e1nkach pou\u017e\u00edvate\u013eov. <\/p>\n

Zranite\u013enos\u0165 bola sp\u00f4soben\u00e1 chybou v implement\u00e1cii funkcie Merge Tags, ktor\u00e1 umo\u017e\u0148uje neautentifikovan\u00fdm pou\u017e\u00edvate\u013eom vyvol\u00e1va\u0165 niektor\u00e9 statick\u00e9 met\u00f3dy z r\u00f4znych tried Ninja Forms (na kontrolu spomenutia met\u00f3d v \u00fadajoch odoslan\u00fdch cez Merge Tags sa vyvol\u00e1vala funkcia is_callable()). Medzi\u010dasom bol dostupn\u00fd aj pr\u00edstup k met\u00f3de, ktor\u00e1 vykon\u00e1va deserializ\u00e1ciu obsahu zaslan\u00e9ho pou\u017e\u00edvate\u013eom. Prostredn\u00edctvom zaslania \u0161peci\u00e1lne form\u00e1tovan\u00fdch serializovan\u00fdch \u00fadajov mohol \u00fato\u010dn\u00edk vykona\u0165 substit\u00faciu svojich objektov a dosiahnu\u0165 vykonanie PHP k\u00f3du na serveri<\/a> alebo odstr\u00e1ni\u0165 n\u00e1hodn\u00e9 s\u00fabory v d\u00e1tovom adres\u00e1ri str\u00e1nky.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 WordPress-\u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0438 Ninja Forms, \u0438\u043c\u0435\u044e\u0449\u0435\u043c \u0431\u043e\u043b\u0435\u0435 \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430 \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0445 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u043a, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE \u043f\u043e\u043a\u0430 \u043d\u0435 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u043e\u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0435\u043c\u0443 \u043f\u043e\u0441\u0435\u0442\u0438\u0442\u0435\u043b\u044e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u043b\u043d\u044b\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043d\u0430\u0434 \u0441\u0430\u0439\u0442\u043e\u043c. \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 3.0.34.2, 3.1.10, 3.2.28, 3.3.21.4, 3.4.34.2, 3.5.8.4 \u0438 3.6.11. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0436\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a \u0438 \u0434\u043b\u044f \u044d\u043a\u0441\u0442\u0440\u0435\u043d\u043d\u043e\u0433\u043e \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b WordPress \u0438\u043d\u0438\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043b\u0438 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