{"id":37147,"date":"2019-10-31T22:16:00","date_gmt":"2019-10-31T19:16:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novaya-uyazvimost-v-ghostscript\/"},"modified":"2019-10-31T22:16:00","modified_gmt":"2019-10-31T19:16:00","slug":"novaya-uyazvimost-v-ghostscript","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/novaya-uyazvimost-v-ghostscript","title":{"rendered":"Uus haavatavus Ghostscriptis","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u00f5rdselt j\u00e4tkuvad haavatavuste seeriad (1<\/a><\/noindex>, 2<\/a><\/noindex>, 3<\/a><\/noindex>, 4<\/a><\/noindex>, 5<\/a><\/noindex>, 6<\/a><\/noindex>) Ghostscript<\/a><\/noindex>, vahendite kogum dokumentide t\u00f6\u00f6tlemiseks, konverteerimiseks ja genereerimiseks PostScripti ja PDF-formaatides. Nagu varasemad haavatavused, on uus probleem<\/a><\/noindex> (CVE-2019-10216<\/a><\/noindex>) v\u00f5imaldab spetsiaalselt vormistatud dokumentide t\u00f6\u00f6tlemisel m\u00f6\u00f6da hiilida isolatsioonire\u017eiimist «-dSAFER» (manipuleerimise kaudu «.buildfont1») ning p\u00e4\u00e4seda juurde failis\u00fcsteemi sisule, mida saab kasutada r\u00fcnnaku korraldamiseks, et k\u00e4ivitada s\u00fcsteemis juhuslikku koodi (n\u00e4iteks lisades k\u00e4ske ~\\ .bashrc v\u00f5i ~\\ .profile). Parandus on saadaval kujul patch<\/a><\/noindex>. Pakettide uuendamise ilmumist jaotustes saab j\u00e4lgida nende lehtede kaudu: Debian<\/a><\/noindex>, Fedora<\/a><\/noindex>, Ubuntu<\/a><\/noindex>, SUSE\/openSUSE<\/a><\/noindex>, RHEL<\/a><\/noindex>, Arch<\/a><\/noindex>, FreeBSD<\/a><\/noindex>. <\/p>\n

Tuletame meelde, et haavatavused Ghostscripts kujutavad endast suurt ohtu, kuna seda paketti kasutatakse paljudes tuntud rakendustes PostScripti ja PDF-formaatide t\u00f6\u00f6tlemiseks. N\u00e4iteks kutsutakse Ghostscripti esile t\u00f6\u00f6laua miniat\u00fc\u00fcride loomisel, taustal andmete indekseerimisel ja piltide konverteerimise k\u00e4igus. Eduka r\u00fcnnaku korral piisab paljuski lihtsalt kurjategijaga faili \u00fcleslaadimisest v\u00f5i selle katalooge loetlemisest Nautiluses. Ghostscripti haavatavusi saab ka \u00e4ra kasutada pildit\u00f6\u00f6tluse k\u00e4itlejates, mis p\u00f5hinevad ImageMagicki ja GraphicsMagicki pakettidel, edastades neile JPEG- v\u00f5i PNG-faili, milles on PostScripti kood (selline fail t\u00f6\u00f6deldakse Ghostscriptis, kuna MIME-t\u00fc\u00fcp tuvastatakse selle sisu j\u00e4rgi, mitte ei tugine faililaiendile). <\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041d\u0435 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0434\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 (1, 2, 3, 4, 5, 6) \u0432 Ghostscript, \u043d\u0430\u0431\u043e\u0440\u0435 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438, \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u0445 PostScript \u0438 PDF. \u041a\u0430\u043a \u0438 \u043f\u0440\u043e\u0448\u043b\u044b\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043d\u043e\u0432\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 (CVE-2019-10216) \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u043d\u044b\u0445 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u043e\u0431\u043e\u0439\u0442\u0438 \u0440\u0435\u0436\u0438\u043c \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 «-dSAFER» (\u0447\u0435\u0440\u0435\u0437 \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u0438 \u0441 «.buildfont1») \u0438 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u043c\u0443 \u0424\u0421, \u0447\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c […]<\/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-37147","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\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\udd47Uus haavatavus Ghostscriptis | ProHoster","description":"V\u00f5rdselt j\u00e4tkuvad haavatavuste seeriad (1,","canonical_url":"https:\/\/prohoster.info\/et\/blog\/news\/novaya-uyazvimost-v-ghostscript","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c 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