{"id":35344,"date":"2019-10-31T22:03:45","date_gmt":"2019-10-31T19:03:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/obnovlenie-graphicsmagick-1-3-32-s-ustraneniem-uyazvimostej\/"},"modified":"2019-10-31T22:03:45","modified_gmt":"2019-10-31T19:03:45","slug":"obnovlenie-graphicsmagick-1-3-32-s-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/obnovlenie-graphicsmagick-1-3-32-s-ustraneniem-uyazvimostej","title":{"rendered":"Aktualizace GraphicsMagick 1.3.32 s odstran\u011bn\u00edm zranitelnost\u00ed","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"http:\/\/www.graphicsmagick.org\/NEWS.html#june-15-2019\">P\u0159edstaven\u00ed<\/a><\/noindex> nov\u00e9 vyd\u00e1n\u00ed bal\u00ed\u010dku pro zpracov\u00e1n\u00ed a konverzi obr\u00e1zk\u016f<br \/>\n<noindex><a rel=\"nofollow\" href=\"http:\/\/www.graphicsmagick.org\/\">GraphicsMagick 1.3.32<\/a><\/noindex>, ve kter\u00e9m bylo odstran\u011bno 52 potenci\u00e1ln\u00edch zranitelnost\u00ed odhalen\u00fdch b\u011bhem fuzzingov\u00e9ho testov\u00e1n\u00ed projektem <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=45602\">OSS-Fuzz<\/a><\/noindex>. <\/p>\n<p>Celkem od \u00fanora 2018 bylo pomoc\u00ed OSS-Fuzz odhaleno 343 probl\u00e9m\u016f, z nich\u017e 331 ji\u017e bylo odstran\u011bno v GraphicsMagick (pro zb\u00fdvaj\u00edc\u00edch 12 dosud neuplynula 90denn\u00ed lh\u016fta na opravu). Samostatn\u011b<br \/>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/www.openwall.com\/lists\/oss-security\/2019\/06\/15\/2\">se vyzdvihuje<\/a><\/noindex>, \u017ee OSS-Fuzz je tak\u00e9 pou\u017e\u00edv\u00e1n k testov\u00e1n\u00ed p\u0159\u00edbuzn\u00e9ho projektu <noindex><a rel=\"nofollow\" href=\"https:\/\/imagemagick.org\/\">ImageMagick<\/a><\/noindex>, ve kter\u00e9m v sou\u010dasnosti z\u016fst\u00e1v\u00e1 v\u00edce ne\u017e 100 probl\u00e9m\u016f, jejich\u017e informace jsou ji\u017e ve\u0159ejn\u011b dostupn\u00e9 po uplynut\u00ed lh\u016fty na opravu.<\/p>\n<p>Krom\u011b potenci\u00e1ln\u00edch probl\u00e9m\u016f odhalen\u00fdch projektem OSS-Fuzz bylo v GraphicsMagick 1.3.32 tak\u00e9 odstran\u011bno 14 zranitelnost\u00ed, kter\u00e9 mohou v\u00e9st k p\u0159ete\u010den\u00ed pam\u011bti p\u0159i zpracov\u00e1n\u00ed speci\u00e1ln\u011b vytvo\u0159en\u00fdch obr\u00e1zk\u016f ve form\u00e1tech SVG, BMP, DIB, MIFF, MAT, MNG, TGA,<br \/>\nTIFF, WMF a XWD. Mezi nebezpe\u010dnostn\u00edmi vylep\u0161en\u00edmi stoj\u00ed za zm\u00ednku roz\u0161\u00ed\u0159en\u00e1 podpora WebP a mo\u017enost ukl\u00e1d\u00e1n\u00ed obr\u00e1zk\u016f ve form\u00e1tu Braille pro zobrazen\u00ed nevidom\u00fdmi.<\/p>\n<p>Tak\u00e9 se uv\u00e1d\u00ed, \u017ee v GraphicsMagick 1.3.32 byla odstran\u011bna funkce, kter\u00e1 mohla b\u00fdt zneu\u017eita k \u00faniku dat. Probl\u00e9m se t\u00fdk\u00e1 zpracov\u00e1n\u00ed z\u00e1pisu &#171;@n\u00e1zev_souboru&#187; pro form\u00e1ty SVG a WMF, kter\u00fd umo\u017e\u0148uje zobrazit nad obr\u00e1zkem nebo zahrnout do metadat text p\u0159\u00edtomn\u00fd v uveden\u00e9m souboru. Potenci\u00e1ln\u011b mohou \u00fato\u010dn\u00edci p\u0159i nedostate\u010dn\u00e9 kontrole vstupn\u00edch parametr\u016f ve webov\u00fdch aplikac\u00edch vyu\u017e\u00edt tuto funkci k z\u00edsk\u00e1n\u00ed obsahu soubor\u016f ze serveru, nap\u0159\u00edklad p\u0159\u00edstupov\u00fdch kl\u00ed\u010d\u016f a ulo\u017een\u00fdch hesel. Probl\u00e9m se tak\u00e9 projevuje v ImageMagick.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50876\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0430\u043a\u0435\u0442\u0430 \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0439 GraphicsMagick 1.3.32, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b 52 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432 \u0445\u043e\u0434\u0435 fuzzing-\u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c OSS-Fuzz. \u0412\u0441\u0435\u0433\u043e \u0441 \u0444\u0435\u0432\u0440\u0430\u043b\u044f 2018 \u0433\u043e\u0434\u0430 \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 OSS-Fuzz \u0431\u044b\u043b\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e 343 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b, \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 331 \u0443\u0436\u0435 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0432 GraphicsMagick (\u0434\u043b\u044f \u043e\u0441\u0442\u0430\u0432\u0448\u0438\u0445\u0441\u044f 12 \u043f\u043e\u043a\u0430 \u043d\u0435 \u0438\u0441\u0442\u0451\u043a 90-\u0434\u043d\u0435\u0432\u043d\u044b\u0439 \u0441\u0440\u043e\u043a, \u043e\u0442\u0432\u043e\u0434\u0438\u043c\u044b\u0439 \u043d\u0430 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435). \u041e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u043e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, [&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-35344","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=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0430\u043a\u0435\u0442\u0430 \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 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