{"id":37676,"date":"2019-10-31T22:18:59","date_gmt":"2019-10-31T19:18:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/ocherednye-4-uyazvimosti-v-ghostscript\/"},"modified":"2019-10-31T22:18:59","modified_gmt":"2019-10-31T19:18:59","slug":"ocherednye-4-uyazvimosti-v-ghostscript","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/ocherednye-4-uyazvimosti-v-ghostscript","title":{"rendered":"Wieder vier Schwachstellen in Ghostscript","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Zwei Wochen nach der <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51288\">Entdeckung<\/a><\/noindex> des letzten kritischen Problems in <noindex><a rel=\"nofollow\" href=\"https:\/\/www.ghostscript.com\/releases.html\">Ghostscript<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/seclists.org\/oss-sec\/2019\/q3\/173\">wurden<\/a><\/noindex> Weitere 4 \u00e4hnliche Schwachstellen (CVE-2019-14811, CVE-2019-14812, CVE-2019-14813, CVE-2019-14817), die es erm\u00f6glichen, durch das Erstellen eines Links auf &#171;.forceput&#187; den Isolationsmodus &#171;-dSAFER&#187; zu umgehen. Bei der Verarbeitung speziell gestalteter Dokumente kann ein Angreifer Zugriff auf den Inhalt des Dateisystems erhalten und die Ausf\u00fchrung von beliebigem Code im System erreichen (zum Beispiel durch das Hinzuf\u00fcgen von Befehlen zu ~\\\/bashrc oder ~\\\/profile). Ein Patch steht zur Verf\u00fcgung.<noindex><a rel=\"nofollow\" href=\"http:\/\/git.ghostscript.com\/?p=ghostpdl.git;a=commitdiff;h=885444fcbe10dc42787ecb76686c8ee4dd33bf33\">1<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/git.ghostscript.com\/?p=ghostpdl.git;a=commitdiff;h=cd1b1cacadac2479e291efe611979bdc1b3bdb19\">2<\/a><\/noindex>). Die Verf\u00fcgbarkeit von Updates in den Distributionen kann auf den folgenden Seiten verfolgt werden: <noindex><a rel=\"nofollow\" href=\"https:\/\/security-tracker.debian.org\/tracker\/CVE-2019-14811\">Debian<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/bodhi.fedoraproject.org\/updates\/?releases=F30&#038;type=security\">Fedora<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/people.canonical.com\/~ubuntu-security\/cve\/2019\/CVE-2019-14811.html\">Ubuntu<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.novell.com\/show_bug.cgi?id=CVE-2019-14811\">SUSE\\\/openSUSE<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.redhat.com\/show_bug.cgi?id=CVE-2019-14811\">RHEL<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/security.archlinux.org\/CVE-2019-14811\">Arch<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/bugzilla.rosalinux.ru\/show_bug.cgi?id=10104\">ROSA<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.vuxml.org\/freebsd\/\">FreeBSD<\/a><\/noindex>. <\/p>\n<p>Wir erinnern daran, dass Schwachstellen in Ghostscript eine erh\u00f6hte Gefahr darstellen, da dieses Paket in vielen beliebten Anwendungen zur Verarbeitung von PostScript- und PDF-Formaten verwendet wird. Beispielsweise wird Ghostscript bei der Erstellung von Miniaturen auf dem Desktop, bei der Hintergrundindizierung von Daten und der Umwandlung von Bildern aufgerufen. F\u00fcr einen erfolgreichen Angriff reicht es in vielen F\u00e4llen aus, einfach eine Datei mit einem Exploit hochzuladen oder das Verzeichnis mit ihr in Nautilus zu durchsuchen. Schwachstellen in Ghostscript k\u00f6nnen auch \u00fcber Bildverarbeitungsprogramme, die auf den Paketen ImageMagick und GraphicsMagick basieren, ausgenutzt werden, indem ein JPEG- oder PNG-Datei \u00fcbergeben wird, in der sich anstelle eines Bildes Code in PostScript befindet (eine solche Datei wird in Ghostscript verarbeitet, da der MIME-Typ nach dem Inhalt erkannt wird und nicht auf die Erweiterung angewiesen ist).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51397\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043f\u0443\u0441\u0442\u044f \u0434\u0432\u0435 \u043d\u0435\u0434\u0435\u043b\u0438 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0432 Ghostscript \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u044b \u0435\u0449\u0451 4 \u043f\u043e\u0445\u043e\u0436\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 (CVE-2019-14811, CVE-2019-14812, CVE-2019-14813, CVE-2019-14817), \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0447\u0435\u0440\u0435\u0437 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u0441\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 &#171;.forceput&#187; \u043e\u0431\u043e\u0439\u0442\u0438 \u0440\u0435\u0436\u0438\u043c \u0438\u0437\u043e\u043b\u044f\u0446\u0438\u0438 &#171;-dSAFER&#187;. \u041f\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 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043c\u043e\u0436\u0435\u0442 \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 \u0438 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0447\u0435\u0440\u0435\u0437 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043a\u043e\u043c\u0430\u043d\u0434 \u0432 [&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-37676","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043f\u0443\u0441\u0442\u044f \u0434\u0432\u0435 \u043d\u0435\u0434\u0435\u043b\u0438 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0432\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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