{"id":108766,"date":"2023-05-29T09:10:14","date_gmt":"2023-05-29T07:10:14","guid":{"rendered":"https:\/\/prohoster.info\/?p=108766"},"modified":"2023-05-29T09:39:13","modified_gmt":"2023-05-29T07:39:13","slug":"dve-uyazvimosti-v-libreoffice","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/dve-uyazvimosti-v-libreoffice","title":{"rendered":"K\u00e9t s\u00e9r\u00fcl\u00e9kenys\u00e9g a LibreOffice-ban","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Felfedt\u00e9k a LibreOffice szabad irodai csomagban l\u00e9v\u0151 k\u00e9t sebezhet\u0151s\u00e9get, amelyek k\u00f6z\u00fcl a legvesz\u00e9lyesebb potenci\u00e1lisan lehet\u0151v\u00e9 teszi k\u00f3d v\u00e9grehajt\u00e1s\u00e1t egy k\u00fcl\u00f6nlegesen form\u00e1zott dokumentum megnyit\u00e1sakor. Az els\u0151 sebezhet\u0151s\u00e9get csendesen orvosolt\u00e1k a 7.4.6 \u00e9s 7.5.1-es m\u00e1rciusi kiad\u00e1sokban, m\u00edg a m\u00e1sodikat a LibreOffice 7.4.7 \u00e9s 7.5.3-as m\u00e1jusi friss\u00edt\u00e9seiben. <\/p>\n

Az els\u0151 sebezhet\u0151s\u00e9g (CVE-2023-0950) potenci\u00e1lisan lehet\u0151v\u00e9 teszi, hogy a felhaszn\u00e1l\u00f3 k\u00f3dot hajtson v\u00e9gre a rendszer\u00e9ben egy olyan t\u00e1bl\u00e1zat megnyit\u00e1sakor, amely kifejezetten m\u00f3dos\u00edtott k\u00e9pleteket tartalmaz, mint p\u00e9ld\u00e1ul az AGGREGATE, amelyekben kevesebb param\u00e9tert adtak meg, mint amennyit v\u00e1rtak. A probl\u00e9ma az array index alulsz\u00e1ml\u00e1l\u00e1s\u00e1b\u00f3l (underflow) ad\u00f3dik a k\u00e9pletek feldolgoz\u00e1s\u00e1\u00e9rt felel\u0151s (ScInterpreter) k\u00f3d sor\u00e1n. <\/p>\n

A m\u00e1sodik sebezhet\u0151s\u00e9g (CVE-2023-2255) lehet\u0151v\u00e9 teszi a t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy egy k\u00fcl\u00f6nlegesen kialak\u00edtott dokumentumot k\u00e9sz\u00edtsen, amelynek megnyit\u00e1sakor k\u00fcls\u0151 linkek t\u00f6lt\u0151dnek be figyelmeztet\u00e9s \u00e9s k\u00e9rd\u00e9s n\u00e9lk\u00fcl. Ez nem felel meg a LibreOffice \u00e1ltal megfogalmazott viselked\u00e9snek, amely figyelmeztet\u00e9s megjelen\u00e9s\u00e9t jelenti a kapcsol\u00f3d\u00f3 tartalom bet\u00f6lt\u00e9sekor. A probl\u00e9ma a jogosults\u00e1gi k\u00e9r\u00e9sek k\u00f3dj\u00e1ban l\u00e9v\u0151 hi\u00e1nyoss\u00e1g miatt keletkezett, amikor a \u201eFloating Frames\u201d mechanizmust, amely hasonl\u00edt az HTML iframe-hez, haszn\u00e1lj\u00e1k, \u00e9s lehet\u0151v\u00e9 teszi k\u00fcls\u0151 f\u00e1jlok dinamikus tartalm\u00e1nak be\u00e1gyaz\u00e1s\u00e1t a dokumentumba.
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e \u0434\u0432\u0443\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u043c \u043e\u0444\u0438\u0441\u043d\u043e\u043c \u043f\u0430\u043a\u0435\u0442\u0435 LibreOffice, \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043f\u0440\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430. \u041f\u0435\u0440\u0432\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0431\u044b\u043b\u0430 \u0431\u0435\u0437 \u043b\u0438\u0448\u043d\u0435\u0439 \u043e\u0433\u043b\u0430\u0441\u043a\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0432 \u043c\u0430\u0440\u0442\u043e\u0432\u0441\u043a\u0438\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0445 7.4.6 \u0438 7.5.1, \u0430 \u0432\u0442\u043e\u0440\u0430\u044f \u0432 \u043c\u0430\u0439\u0441\u043a\u0438\u0445 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f\u0445 LibreOffice 7.4.7 \u0438 7.5.3. \u041f\u0435\u0440\u0432\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2023-0950) \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0435\u0433\u043e \u043a\u043e\u0434\u0430 \u0432 […]<\/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-108766","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\udd47K\u00e9t sebezhet\u0151s\u00e9g a LibreOffice-ban | ProHoster","description":"Felfedt\u00e9k a LibreOffice szabad irodai csomagban l\u00e9v\u0151 k\u00e9t sebezhet\u0151s\u00e9get, amelyek k\u00f6z\u00fcl a legvesz\u00e9lyesebb potenci\u00e1lisan lehet\u0151v\u00e9 teszi k\u00f3d v\u00e9grehajt\u00e1s\u00e1t egy k\u00fcl\u00f6nlegesen form\u00e1zott dokumentum megnyit\u00e1sakor.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/dve-uyazvimosti-v-libreoffice","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","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\u0414\u0432\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 LibreOffice | ProHoster","og:description":"\u0420\u0430\u0441\u043a\u0440\u044b\u0442\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e \u0434\u0432\u0443\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u043c \u043e\u0444\u0438\u0441\u043d\u043e\u043c \u043f\u0430\u043a\u0435\u0442\u0435 LibreOffice, \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043e\u043f\u0430\u0441\u043d\u0430\u044f \u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043a\u043e\u0434 \u043f\u0440\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/dve-uyazvimosti-v-libreoffice","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":"2023-05-29T07:10:14+00:00","article:modified_time":"2023-05-29T07:39:13+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\/hu\/wp-json\/wp\/v2\/posts\/108766","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=108766"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/108766\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=108766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=108766"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=108766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}