{"id":113253,"date":"2024-01-30T13:41:05","date_gmt":"2024-01-30T11:41:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimosti-v-realizaczii-jpeg-xl-iz-sostava-ffmpeg"},"modified":"2024-01-30T13:41:05","modified_gmt":"2024-01-30T11:41:05","slug":"uyazvimosti-v-realizaczii-jpeg-xl-iz-sostava-ffmpeg","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-v-realizaczii-jpeg-xl-iz-sostava-ffmpeg","title":{"rendered":"Zranitelnosti v implementaci JPEG XL obsa\u017een\u00e9 ve FFmpeg","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Byly zve\u0159ejn\u011bny informace o dvou zranitelnostech v dekod\u00e9ru JPEG XL dod\u00e1van\u00e9m v bal\u00edku FFmpeg, kter\u00e9 mohou v\u00e9st k vykon\u00e1n\u00ed k\u00f3du \u00fato\u010dn\u00edka p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b upraven\u00fdch obr\u00e1zk\u016f v FFmpeg. Probl\u00e9my byly odstran\u011bny v vyd\u00e1n\u00ed FFmpeg 6.1, ale proto\u017ee podpora JPEG XL je aktivn\u00ed od verze 6.1, zranitelnost se t\u00fdk\u00e1 pouze syst\u00e9m\u016f pou\u017e\u00edvaj\u00edc\u00edch experiment\u00e1ln\u00ed verze FFmpeg 6.1 nebo p\u0159eb\u00edraj\u00edc\u00edch zm\u011bny z nich. <\/p>\n

Prvn\u00ed zranitelnost (CVE-2024-22860) je zp\u016fsobena p\u0159ete\u010den\u00edm celo\u010d\u00edseln\u00e9ho typu v parseru form\u00e1tu JPEG XL, kter\u00e9 vzniklo z nedostatku kontroly velikosti typu int. Druh\u00e1 zranitelnost (CVE-2024-22862) vznikla z p\u0159ete\u010den\u00ed celo\u010d\u00edseln\u00e9ho typu ve funkci jpegxl_anim_read_packet, kter\u00e1 se pou\u017e\u00edv\u00e1 pro dek\u00f3dov\u00e1n\u00ed animac\u00ed, a souvis\u00ed s pou\u017eit\u00edm podepsan\u00e9ho typu int64_t m\u00edsto nepodepsan\u00e9ho uint64_t. Probl\u00e9my jsou specifick\u00e9 pro FFmpeg a neprojevuj\u00ed se v referen\u010dn\u00ed implementaci libjxl.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u044b \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u0434\u0432\u0443\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u043c \u0432 \u043f\u0430\u043a\u0435\u0442\u0435 FFmpeg \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0435 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 JPEG XL, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0432 FFmpeg \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0431\u044b\u043b\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 FFmpeg 6.1, \u043d\u043e \u0442\u0430\u043a \u043a\u0430\u043a \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 JPEG XL \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0430 \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u0432\u0435\u0442\u043a\u0438 6.1, \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 \u0442\u043e\u043b\u044c\u043a\u043e \u0441\u0438\u0441\u0442\u0435\u043c\u044b, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u0441\u0431\u043e\u0440\u043a\u0438 FFmpeg 6.1 […]<\/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-113253","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\udd47Zranitelnosti v implementaci JPEG XL v r\u00e1mci FFmpeg | ProHoster","description":"Byly zve\u0159ejn\u011bny informace o dvou zranitelnostech v dekod\u00e9ru JPEG XL dod\u00e1van\u00e9m v bal\u00edku FFmpeg, kter\u00e9 mohou v\u00e9st k vykon\u00e1n\u00ed k\u00f3du \u00fato\u010dn\u00edka p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b upraven\u00fdch obr\u00e1zk\u016f v 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\u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u043e\u043c \u0432 \u043f\u0430\u043a\u0435\u0442\u0435 FFmpeg \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0435 \u0444\u043e\u0440\u043c\u0430\u0442\u0430 JPEG XL, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u043e\u0433\u0443\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0432 FFmpeg \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/uyazvimosti-v-realizaczii-jpeg-xl-iz-sostava-ffmpeg","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2024-01-30T11:41:05+00:00","article:modified_time":"2024-01-30T11:41:05+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/113253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=113253"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/113253\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=113253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=113253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=113253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}