{"id":115524,"date":"2024-05-04T01:52:09","date_gmt":"2024-05-03T23:52:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obhod-verifikaczii-v-biblioteke-xml-crypto-naschityvayushhej-million-zagruzok-v-nedelyu"},"modified":"2024-05-04T01:52:09","modified_gmt":"2024-05-03T23:52:09","slug":"obhod-verifikaczii-v-biblioteke-xml-crypto-naschityvayushhej-million-zagruzok-v-nedelyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/obhod-verifikaczii-v-biblioteke-xml-crypto-naschityvayushhej-million-zagruzok-v-nedelyu","title":{"rendered":"Obch\u00e1zen\u00ed ov\u011b\u0159ov\u00e1n\u00ed v knihovn\u011b xml-crypto, kter\u00e1 m\u00e1 milion sta\u017een\u00ed t\u00fddn\u011b","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V JavaScript knihovn\u011b xml-crypto, kter\u00e1 je z\u00e1vislost\u00ed u 402 projekt\u016f a stahuje se z adres\u00e1\u0159e NPM p\u0159ibli\u017en\u011b milionkr\u00e1t t\u00fddn\u011b, byla zji\u0161t\u011bna zranitelnost (CVE-2024-32962) s nejvy\u0161\u0161\u00ed \u00farovn\u00ed nebezpe\u010dnosti (10 z 10). Knihovna poskytuje funkce pro \u0161ifrov\u00e1n\u00ed a verifikaci digit\u00e1ln\u00edch podpis\u016f XML dokument\u016f. Zranitelnost umo\u017e\u0148uje \u00fato\u010dn\u00edkovi podepsat fale\u0161n\u00fd dokument, kter\u00fd bude ve v\u00fdchoz\u00ed konfiguraci knihovnou \u00fasp\u011b\u0161n\u011b verifikov\u00e1n, a\u010dkoliv je podeps\u00e1n nespr\u00e1vn\u00fdm kl\u00ed\u010dem, kter\u00fd je uveden pro kontrolu podpis\u016f. Probl\u00e9m se projevuje od verze xml-crypto 4.0.0 a byl bez zbyte\u010dn\u00e9 publicity odstran\u011bn v lednov\u00e9m vyd\u00e1n\u00ed 6.0.0. <\/p>\n

Zranitelnost je zp\u016fsobena t\u00edm, \u017ee ve v\u00fdchoz\u00ed konfiguraci knihovna neautorizuje autora podpisu a kontroluje pouze spr\u00e1vnost samotn\u00e9ho podpisu. Knihovna konkr\u00e9tn\u011b d\u016fv\u011b\u0159uje jak\u00e9mukoli certifik\u00e1tu um\u00edst\u011bn\u00e9mu v podepsan\u00e9m dokumentu v XML prvku KeyInfo, i kdy\u017e jsou v nastaven\u00ed uvedeny specifick\u00e9 certifik\u00e1ty pro ov\u011b\u0159ov\u00e1n\u00ed digit\u00e1ln\u00edch podpis\u016f. T\u00edm p\u00e1dem pro \u00fasp\u011b\u0161nou verifikaci modifikovan\u00e9ho dokumentu sta\u010d\u00ed \u00fato\u010dn\u00edkovi nahradit p\u016fvodn\u00ed digit\u00e1ln\u00ed podpis podpisem vytvo\u0159en\u00fdm jeho soukrom\u00fdm kl\u00ed\u010dem a um\u00edstit certifik\u00e1t (ve\u0159ejn\u00fd kl\u00ed\u010d) souvisej\u00edc\u00ed s t\u00edmto soukrom\u00fdm kl\u00ed\u010dem do prvku KeyInfo.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 JavaScript-\u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 xml-crypto, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0439 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u0443 402 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u0438 \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u043c\u043e\u0439 \u0438\u0437 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 NPM \u043e\u043a\u043e\u043b\u043e \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u0430 \u0440\u0430\u0437 \u043a\u0430\u0436\u0434\u0443\u044e \u043d\u0435\u0434\u0435\u043b\u044e, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-32962), \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043f\u0440\u0438\u0441\u0432\u043e\u0435\u043d \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (10 \u0438\u0437 10). \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0432\u0435\u0440\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u043f\u0438\u0441\u0438 XML-\u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0434\u0430\u0451\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443 \u0437\u0430\u0432\u0435\u0440\u0438\u0442\u044c \u0444\u0438\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 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