{"id":102176,"date":"2021-11-02T03:36:46","date_gmt":"2021-11-02T01:36:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-dopuskayushhaya-podstanovku-javascript-koda-cherez-wordpress-plagin-optinmonster"},"modified":"2021-11-02T03:36:46","modified_gmt":"2021-11-02T01:36:46","slug":"uyazvimost-dopuskayushhaya-podstanovku-javascript-koda-cherez-wordpress-plagin-optinmonster","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/uyazvimost-dopuskayushhaya-podstanovku-javascript-koda-cherez-wordpress-plagin-optinmonster","title":{"rendered":"Sebezhet\u0151s\u00e9g, amely lehet\u0151v\u00e9 teszi a JavaScript k\u00f3d behelyettes\u00edt\u00e9s\u00e9t a WordPress OptinMonster b\u0151v\u00edtm\u00e9ny\u00e9n kereszt\u00fcl.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A WordPress-b\u0151v\u00edtm\u00e9nyben, az OptinMonsterben, amely t\u00f6bb mint egymilli\u00f3 akt\u00edv telep\u00edt\u00e9ssel rendelkezik \u00e9s a felugr\u00f3 \u00e9rtes\u00edt\u00e9sek \u00e9s aj\u00e1nlatok megjelen\u00edt\u00e9s\u00e9re szolg\u00e1l, egy s\u00e9r\u00fcl\u00e9kenys\u00e9get (CVE-2021-39341) fedeztek fel, amely lehet\u0151v\u00e9 teszi saj\u00e1t JavaScript-k\u00f3d beilleszt\u00e9s\u00e9t az adott b\u0151v\u00edtm\u00e9nyt haszn\u00e1l\u00f3 weboldalakon. A s\u00e9r\u00fcl\u00e9kenys\u00e9get a 2.6.5-\u00f6s verzi\u00f3ban orvosolt\u00e1k. Az OptinMonster fejleszt\u0151i a friss\u00edt\u00e9s telep\u00edt\u00e9se ut\u00e1n visszavont\u00e1k az \u00f6sszes kor\u00e1bban l\u00e9trehozott API-kulcsot \u00e9s korl\u00e1toz\u00e1sokat vezettek be a WordPress-oldalak API-kulcsainak haszn\u00e1lat\u00e1ra vonatkoz\u00f3an az OptinMonster kamp\u00e1nyok m\u00f3dos\u00edt\u00e1s\u00e1ban. <\/p>\n

A probl\u00e9ma a REST-API \/wp-json\/omapp\/v1\/support jelenl\u00e9t\u00e9b\u0151l ad\u00f3dik, amelyhez a hozz\u00e1f\u00e9r\u00e9s hiteles\u00edt\u00e9s n\u00e9lk\u00fcl is lehets\u00e9ges volt — a k\u00e9r\u00e9s v\u00e9grehajt\u00e1sra ker\u00fclt, an\u00e9lk\u00fcl, hogy tov\u00e1bbi ellen\u0151rz\u00e9sek t\u00f6rt\u00e9ntek volna, amennyiben a Referer fejl\u00e9c tartalmazta a «https:\/\/wp.app.optinmonster.test» sort, \u00e9s HTTP-k\u00e9r\u00e9s t\u00edpusa «OPTIONS» volt (ez fel\u00fcl\u00edrhat\u00f3 az «X-HTTP-Method-Override» HTTP-fejl\u00e9c seg\u00edts\u00e9g\u00e9vel). A k\u00e9r\u00e9s sor\u00e1n a sz\u00f3ban forg\u00f3 REST-API-val val\u00f3 kapcsolat sor\u00e1n visszakapott adatok k\u00f6z\u00f6tt szerepelt egy hozz\u00e1f\u00e9r\u00e9si kulcs, amely lehet\u0151v\u00e9 tette, hogy b\u00e1rmilyen REST-API feldolgoz\u00f3hoz k\u00e9rd\u00e9seket k\u00fcldj\u00fcnk. <\/p>\n

A megszerzett kulccsal a t\u00e1mad\u00f3 m\u00f3dos\u00edthatta az OptinMonster \u00e1ltal megjelen\u00edtett b\u00e1rmely felugr\u00f3 blokkot, bele\u00e9rtve saj\u00e1t JavaScript-k\u00f3dj\u00e1nak futtat\u00e1s\u00e1t is. Ha a t\u00e1mad\u00f3 lehet\u0151s\u00e9get kapott saj\u00e1t JavaScript-k\u00f3dja v\u00e9grehajt\u00e1s\u00e1ra a weboldal kontextus\u00e1ban, \u00e1tir\u00e1ny\u00edthatta a felhaszn\u00e1l\u00f3kat a saj\u00e1t webhely\u00e9re, vagy manipul\u00e1lhatta a webes fel\u00fclet privilegiz\u00e1lt fi\u00f3kj\u00e1t a beillesztett JavaScript-k\u00f3d \u00e1ltal t\u00f6rt\u00e9n\u0151 adminisztr\u00e1tori v\u00e9grehajt\u00e1ssal. A webes fel\u00fclethez val\u00f3 hozz\u00e1f\u00e9r\u00e9ssel a t\u00e1mad\u00f3 PHP-k\u00f3dj\u00e1t is v\u00e9grehajthatta. szerveren<\/a>.
\n
Forr\u00e1s: 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 OptinMonster, \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 \u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u043c \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432\u044b\u0432\u043e\u0434\u0430 \u0432\u0441\u043f\u043b\u044b\u0432\u0430\u044e\u0449\u0438\u0445 \u0443\u0432\u0435\u0434\u043e\u043c\u043b\u0435\u043d\u0438\u0439 \u0438 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-39341), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u0442\u044c \u0441\u0432\u043e\u0439 JavaScript-\u043a\u043e\u0434 \u043d\u0430 \u0441\u0430\u0439\u0442\u0435, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0435\u043c \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 2.6.5. \u0414\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0447\u0435\u0440\u0435\u0437 \u0437\u0430\u0445\u0432\u0430\u0447\u0435\u043d\u043d\u044b\u0435 \u043a\u043b\u044e\u0447\u0438 \u043f\u043e\u0441\u043b\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 OptinMonster \u0430\u043d\u043d\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u0432\u0441\u0435 \u0440\u0430\u043d\u0435\u0435 \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u044b\u0435 \u043a\u043b\u044e\u0447\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a API \u0438 \u0434\u043e\u0431\u0430\u0432\u0438\u043b\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102176","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47S\u00e9r\u00fcl\u00e9kenys\u00e9g, amely lehet\u0151v\u00e9 teszi a JavaScript-k\u00f3d 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\u0432\u044b\u0432\u043e\u0434\u0430 \u0432\u0441\u043f\u043b\u044b\u0432\u0430\u044e\u0449\u0438\u0445 \u0443\u0432\u0435\u0434\u043e\u043c\u043b\u0435\u043d\u0438\u0439 \u0438 \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2021-39341), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f 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