{"id":120071,"date":"2024-10-07T13:09:21","date_gmt":"2024-10-07T11:09:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-biblioteke-libgsf-zatragivayushhaya-gnome"},"modified":"2024-10-07T13:09:21","modified_gmt":"2024-10-07T11:09:21","slug":"uyazvimost-v-biblioteke-libgsf-zatragivayushhaya-gnome","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/uyazvimost-v-biblioteke-libgsf-zatragivayushhaya-gnome","title":{"rendered":"Sicherheitsanf\u00e4lligkeit in der Bibliothek libgsf, die GNOME betrifft","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In der libgsf-Bibliothek, die von dem GNOME-Projekt entwickelt wird, wurde eine Sicherheitsanf\u00e4lligkeit (CVE-2024-42415) entdeckt, die zur Ausf\u00fchrung von Code f\u00fchren kann, wenn eine speziell gestaltete Datei verarbeitet wird. Die Anf\u00e4lligkeit wird durch einen \u00dcberlauf bei Ganzzahlen verursacht, der dazu f\u00fchrt, dass Daten au\u00dferhalb des zugewiesenen Puffers geschrieben werden, wenn eine Sektortabelle im Rahmen der Parserparameter aus dem Header einer Datei im CDF-Format (Compound Document Format) verarbeitet wird.        <\/p>\n<p>Die libgsf-Bibliothek bietet Funktionen zum Parsen verschiedener strukturierter Dateiformate, darunter Archive und Dokumentformate. Neben Anwendungen wie AbiWord, Gnumeric, GNOME Commander und Nemo wird die Bibliothek im GNOME-Projekt in der Suchmaschine tracker-miners verwendet und als Abh\u00e4ngigkeit im Paket tracker-extract genutzt, das automatisch Metadaten \u00fcber neue Dateien sammelt.     <\/p>\n<p>Die Gefahr besteht darin, dass der GNOME-Dienst, der libgsf verwendet, automatisch alle Dateien im Home-Verzeichnis indiziert und analysiert, ohne dass der Benutzer etwas tun muss. Daher m\u00fcssen f\u00fcr einen Angriff speziell gestaltete Dateien im Benutzerverzeichnis erscheinen (zum Beispiel kann es in einigen F\u00e4llen ausreichen, auf einen Link im Browser zu klicken, um eine Datei im ~\\\/Downloads-Verzeichnis zu platzieren), und die Anf\u00e4lligkeit wird w\u00e4hrend der automatischen Indizierung ausgenutzt.       <\/p>\n<p>Die Schwachstelle wurde im Update der Bibliothek libgsf 1.14.53 behoben. Die Verf\u00fcgbarkeit von Updates in den Distributionen kann auf den folgenden Seiten verfolgt werden: Debian, Ubuntu, RHEL, SUSE\/openSUSE, Fedora, Arch, FreeBSD. In den meisten Distributionen mit GNOME wird die Komponente tracker-miners standardm\u00e4\u00dfig aktiviert und als feste Abh\u00e4ngigkeit zum Dateimanager Nautilus (GNOME Files) geladen. Um tracker-miners f\u00fcr den aktuellen Benutzer zu deaktivieren, k\u00f6nnen folgende Befehle verwendet werden:         systemctl --user mask tracker-store.service tracker-miner-fs.service tracker-miner-rss.service tracker-extract.service tracker-miner-apps.service tracker-writeback.service     tracker reset --hard<br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62006\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libgsf, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c GNOME, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-42415), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \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 \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\u043e\u0433\u043e \u0444\u0430\u0439\u043b\u0430. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\u043c \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0438\u043c \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 \u043f\u0440\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0442\u0430\u0431\u043b\u0438\u0446\u044b \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0441\u0435\u043a\u0442\u043e\u0440\u043e\u0432 \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0440\u0430\u0437\u0431\u043e\u0440\u0430 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u0432 \u0438\u0437 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 CDF (Compound Document Format). \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 libgsf \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\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-120071","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=\"\u0412 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0435 libgsf, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c GNOME, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c (CVE-2024-42415), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u0432\u0435\u0441\u0442\u0438 \u043a 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