{"id":137923,"date":"2025-06-21T23:11:57","date_gmt":"2025-06-21T21:11:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-antivirusnogo-paketa-clamav-1-4-3-i-1-0-9-s-ustraneniem-uyazvimostej"},"modified":"2025-06-21T23:11:57","modified_gmt":"2025-06-21T21:11:57","slug":"obnovlenie-antivirusnogo-paketa-clamav-1-4-3-i-1-0-9-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-antivirusnogo-paketa-clamav-1-4-3-i-1-0-9-s-ustraneniem-uyazvimostej","title":{"rendered":"Aktualizace antivirov\u00e9ho bal\u00ed\u010dku ClamAV 1.4.3 a 1.0.9 s odstran\u011bn\u00edm zranitelnost\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Spole\u010dnost Cisco zve\u0159ejnila nov\u00e9 verze voln\u00e9ho antivirov\u00e9ho bal\u00ed\u010dku ClamAV 1.4.3 a 1.0.98, ve kter\u00fdch byly odstran\u011bny zranitelnosti, z nich\u017e jedna m\u016f\u017ee v\u00e9st k vykon\u00e1n\u00ed k\u00f3du \u00fato\u010dn\u00edka p\u0159i kontrole speci\u00e1ln\u011b vytvo\u0159en\u00e9ho obsahu.  <\/p>\n<ul>\n<li class=\"l\"> CVE-2025-20260 \u2014 chyba v k\u00f3du pro zpracov\u00e1n\u00ed soubor\u016f ve form\u00e1tu PDF, kter\u00e1 vede k z\u00e1pisu dat za hranice vyhrazen\u00e9ho vyrovn\u00e1vac\u00ed pam\u011bti. Probl\u00e9m se projevuje v konfigurac\u00edch, kde jsou maxim\u00e1ln\u00ed velikosti nastaven\u00ed file-size a scan-size rovny nebo p\u0159ekra\u010duj\u00ed 1024 MB a 1025 MB. Zneu\u017eit\u00ed zranitelnosti je mo\u017en\u00e9 od verze 1.0.0 a m\u016f\u017ee v\u00e9st k vykon\u00e1n\u00ed k\u00f3du s pr\u00e1vy procesu ClamAV.\n<li class=\"l\"> CVE-2025-20234 \u2014 chyba v k\u00f3du pro zpracov\u00e1n\u00ed soubor\u016f ve form\u00e1tu UDF, kter\u00e1 umo\u017e\u0148uje \u010dten\u00ed dat z oblasti pam\u011bti za hranice vyhrazen\u00e9ho vyrovn\u00e1vac\u00ed pam\u011bti. Probl\u00e9m m\u016f\u017ee v\u00e9st k n\u00e1hodn\u00e9mu ukon\u010den\u00ed procesu nebo \u00faniku dat z pam\u011bti do do\u010dasn\u00e9ho souboru. Zranitelnost se projevuje od verze 1.2.0.\n<li class=\"l\"> P\u0159\u00edstup k pam\u011bti po jej\u00edm uvoln\u011bn\u00ed v modulu pro rozbalov\u00e1n\u00ed archiv\u016f ve form\u00e1tu xz (CVE nebyla p\u0159id\u011blena). Probl\u00e9m je zp\u016fsoben chybou v knihovn\u011b lzma-sdk zabudovan\u00e9 v k\u00f3du ClamAV, kter\u00e1 byla odstran\u011bna v hlavn\u00edm projektu ve verzi lzma-sdk 18.03 vydan\u00e9 v roce 2018 bez zm\u00ednky o odstran\u011bn\u00ed zranitelnosti. Zranitelnost se objevuje ve v\u0161ech verz\u00edch ClamAV po\u010d\u00ednaje verz\u00ed 0.99.4.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63430\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u044b\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0430\u043d\u0442\u0438\u0432\u0438\u0440\u0443\u0441\u043d\u043e\u0433\u043e \u043f\u0430\u043a\u0435\u0442\u0430 ClamAV 1.4.3 \u0438 1.0.98, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043e\u0434\u043d\u0430 \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0434\u0430 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u0433\u043e \u043f\u0440\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e. CVE-2025-20260 &#8212; \u043e\u0448\u0438\u0431\u043a\u0430 \u0432 \u043a\u043e\u0434\u0435 \u0440\u0430\u0437\u0431\u043e\u0440\u0430 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 PDF, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u0437\u0430\u043f\u0438\u0441\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0437\u0430 \u043f\u0440\u0435\u0434\u0435\u043b\u044b \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0431\u0443\u0444\u0435\u0440\u0430. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044f\u0445, \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043a [&hellip;]<\/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-137923","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u044b\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0430\u043d\u0442\u0438\u0432\u0438\u0440\u0443\u0441\u043d\u043e\u0433\u043e \u043f\u0430\u043a\u0435\u0442\u0430 ClamAV 1.4.3 \u0438 1.0.98, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 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ClamAV 1.4.3 a 1.0.9 s odstran\u011bn\u00edm zranitelnost\u00ed | ProHoster","description":"Spole\u010dnost Cisco zve\u0159ejnila nov\u00e9 verze voln\u00e9ho antivirov\u00e9ho bal\u00ed\u010dku ClamAV 1.4.3 a 1.0.98, ve kter\u00fdch byly odstran\u011bny zranitelnosti, z nich\u017e jedna m\u016f\u017ee v\u00e9st k vykon\u00e1n\u00ed k\u00f3du \u00fato\u010dn\u00edka p\u0159i kontrole speci\u00e1ln\u011b.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-antivirusnogo-paketa-clamav-1-4-3-i-1-0-9-s-ustraneniem-uyazvimostej","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0430\u043d\u0442\u0438\u0432\u0438\u0440\u0443\u0441\u043d\u043e\u0433\u043e \u043f\u0430\u043a\u0435\u0442\u0430 ClamAV 1.4.3 \u0438 1.0.9 \u0441 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0435\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u043d\u043e\u0432\u044b\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0433\u043e \u0430\u043d\u0442\u0438\u0432\u0438\u0440\u0443\u0441\u043d\u043e\u0433\u043e \u043f\u0430\u043a\u0435\u0442\u0430 ClamAV 1.4.3 \u0438 1.0.98, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b 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