{"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\/cs\/blog\/news\/ataka-na-sistemy-cherez-wordpress-plagin-ninja-forms-naschityvayushhij-bolee-milliona-ustanovok","title":{"rendered":"\u00datok na syst\u00e9my p\u0159es plugin WordPress Ninja Forms, kter\u00fd m\u00e1 v\u00edce ne\u017e milion instalac\u00ed.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V dopl\u0148ku Ninja Forms pro WordPress, kter\u00fd m\u00e1 v\u00edce ne\u017e milion aktivn\u00edch instalac\u00ed, byla odhalena kritick\u00e1 zranitelnost (CVE zat\u00edm nebyl p\u0159id\u011blen), umo\u017e\u0148uj\u00edc\u00ed neopr\u00e1vn\u011bn\u00e9mu n\u00e1v\u0161t\u011bvn\u00edkovi z\u00edskat plnou kontrolu nad webem. Probl\u00e9m byl vy\u0159e\u0161en ve verz\u00edch 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. Upozor\u0148uje se, \u017ee zranitelnost u\u017e byla vyu\u017e\u00edv\u00e1na k \u00fatok\u016fm, a aby probl\u00e9m okam\u017eit\u011b zablokovali, v\u00fdvoj\u00e1\u0159i platformy WordPress iniciovali povinnou automatickou instalaci aktualizace na weby u\u017eivatel\u016f. <\/p>\n

Zranitelnost byla zp\u016fsobena chybou v implementaci funk\u010dnosti Merge Tags, kter\u00e1 umo\u017e\u0148uje neautentizovan\u00fdm u\u017eivatel\u016fm volat n\u011bkter\u00e9 statick\u00e9 metody z r\u016fzn\u00fdch t\u0159\u00edd Ninja Forms (pro kontrolu zm\u00edn\u011bn\u00fdch metod ve p\u0159ed\u00e1van\u00fdch datech pomoc\u00ed Merge Tags byla vyvol\u00e1na funkce is_callable()). Bylo tak\u00e9 mo\u017en\u00e9 zavolat metodu, kter\u00e1 prov\u00e1d\u00ed deserializaci obsahu p\u0159edan\u00e9ho u\u017eivatel. Pomoc\u00ed p\u0159ed\u00e1n\u00ed speci\u00e1ln\u011b vytvo\u0159en\u00fdch serializovan\u00fdch dat mohl \u00fato\u010dn\u00edk prov\u00e9st substituci sv\u00fdch objekt\u016f a dos\u00e1hnout proveden\u00ed PHP k\u00f3du na serveru<\/a> nebo smazat libovoln\u00e9 soubory v datov\u00e9m adres\u00e1\u0159i webu.
\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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