A fejlesztett Open Media (AOMedia) sz\u00f6vets\u00e9g \u00e1ltal k\u00edn\u00e1lt libaom k\u00f6nyvt\u00e1rban, amely az AV1 videok\u00f3dol\u00e1si form\u00e1tum referencia-implement\u00e1ci\u00f3j\u00e1t ny\u00fajtja, kritikus sebezhet\u0151s\u00e9get (CVE-2024-5171) fedeztek fel, amely eg\u00e9sz sz\u00e1m t\u00falcsordul\u00e1st \u00e9s mem\u00f3riahat\u00e1ron t\u00fali \u00edr\u00e1st eredm\u00e9nyez, amikor t\u00fal nagy \u00e9rt\u00e9keket dolgoznak fel n\u00e9h\u00e1ny param\u00e9terben. Hasonl\u00f3 sebezhet\u0151s\u00e9g (CVE-2024-5197) tal\u00e1lhat\u00f3 a VP8 \u00e9s VP9 kodekeket megval\u00f3s\u00edt\u00f3 libvpx k\u00f6nyvt\u00e1rban. A probl\u00e9m\u00e1kat a libaom 3.9.0 \u00e9s a libvpx 1.14.1 friss\u00edt\u00e9sei megoldott\u00e1k. A forgalmaz\u00e1sokban a sebezhet\u0151s\u00e9gek m\u00e9g mindig jav\u00edtatlanok (Debian, Ubuntu, RHEL, SUSE\/openSUSE, Fedora, Arch, FreeBSD). <\/p>\n
A libaom sebezhet\u0151s\u00e9g\u00e9nek maxim\u00e1lis kock\u00e1zati szintet (10-b\u0151l 10) tulajdon\u00edtottak, ami azt jelenti, hogy a k\u00f6nyvt\u00e1rat haszn\u00e1l\u00f3 alkalmaz\u00e1sokban kifejezetten kialak\u00edtott tartalom feldolgoz\u00e1sa sor\u00e1n lehet\u0151s\u00e9g van a kihaszn\u00e1l\u00e1sra. A libvpx eset\u00e9ben a kock\u00e1zati szint 5.9-b\u0151l 10-re \u00e1llap\u00edtott\u00e1k meg, ami korl\u00e1tozott kihaszn\u00e1l\u00e1si k\u00f6r\u00fclm\u00e9nyeket jelent. A libaom \u00e9s libvpx sebezhet\u0151s\u00e9geinek alapvet\u0151 vesz\u00e9lye abban rejlik, hogy ezeket a k\u00f6nyvt\u00e1rakat web-b\u00f6ng\u00e9sz\u0151kben, m\u00e9diaplayerekben \u00e9s vide\u00f3 \u00fajrak\u00f3dol\u00f3 szolg\u00e1ltat\u00e1sokban haszn\u00e1lj\u00e1k. <\/p>\n
A sebezhet\u0151s\u00e9g a libaom-n\u00e1l t\u00f6bbek k\u00f6z\u00f6tt az aom_img_alloc(), aom_img_wrap() vagy az om_img_alloc_with_border() f\u00fcggv\u00e9nyek h\u00edv\u00e1sakor l\u00e9p fel, amikor t\u00fal nagy \u00e9rt\u00e9kek ker\u00fclnek a d_w, d_h \u00e9s align param\u00e9terekbe, ami eg\u00e9sz sz\u00e1m t\u00falcsordul\u00e1st okoz a m\u00e9retek \u00e9s eltol\u00e1sok sz\u00e1m\u00edt\u00e1sa sor\u00e1n. Hasonl\u00f3 t\u00falcsordul\u00e1s l\u00e9p fel a vpx_img_alloc() \u00e9s vpx_img_wrap() f\u00fcggv\u00e9nyekben. Ezeket a f\u00fcggv\u00e9nyeket vide\u00f3 k\u00f3dol\u00e1s sor\u00e1n haszn\u00e1lj\u00e1k. <\/p>\n
A sebezhet\u0151s\u00e9g a web-b\u00f6ng\u00e9sz\u0151k elleni t\u00e1mad\u00e1sok potenci\u00e1lis lehet\u0151s\u00e9ge miatt a legvesz\u00e9lyesebb, mivel a kor\u00e1bbi, hasonl\u00f3 sebezhet\u0151s\u00e9geket kihaszn\u00e1lhatt\u00e1k az\u00e1ltal, hogy a b\u00f6ng\u00e9sz\u0151ben egy kifejezetten kialak\u00edtott weboldalt nyitottak meg, amely JavaScript funkci\u00f3kat h\u00edvott meg vide\u00f3 k\u00f3dol\u00e1sra, vagy WebRTC manipul\u00e1ci\u00f3k sor\u00e1n. A Google k\u00e9pvisel\u0151i szerint a sebezhet\u0151s\u00e9g nem \u00e9rinti a Chromium motort, mivel az aom_img_alloc(), aom_img_wrap(), vpx_img_alloc() \u00e9s vpx_img_wrap() f\u00fcggv\u00e9nyekhez csak ellen\u0151rz\u00f6tt d_w \u00e9s d_h argumentumokat adtak meg. A Firefox eset\u00e9ben az AV1 dek\u00f3dol\u00e1s\u00e1hoz a dav1d k\u00f6nyvt\u00e1rat haszn\u00e1lj\u00e1k, de a k\u00f3dol\u00e1shoz a libaom-ot. Hogy a Firefox \u00e9rintett-e a probl\u00e9m\u00e1val, m\u00e9g nem vil\u00e1gos, mivel az inform\u00e1ci\u00f3k arr\u00f3l, hogy a sebezhet\u0151s\u00e9g hogyan \u00e9rinti a konkr\u00e9t term\u00e9keket, m\u00e9g nem jelentek meg. \u0412 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0430\u043b\u044c\u044f\u043d\u0441\u043e\u043c Open Media (AOMedia) \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libaom, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u044d\u0442\u0430\u043b\u043e\u043d\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u043e\u0440\u043c\u0430\u0442\u0430 \u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0438\u0434\u0435\u043e AV1, \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-2024-5171), \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u043e\u043c\u0443 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u0438 \u0437\u0430\u043f\u0438\u0441\u0438 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u044c \u0432\u043d\u0435 \u0433\u0440\u0430\u043d\u0438\u0446 \u0431\u0443\u0444\u0435\u0440\u0430 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0439 \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u0445. \u0410\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-5197) \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0432 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libvpx \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043a\u043e\u0434\u0435\u043a\u043e\u0432 VP8 \u0438 VP9. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 […]<\/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-116387","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\udd47Sebezhet\u0151s\u00e9g az AV1 \u00e9s VP8\/VP9 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Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"