{"id":38921,"date":"2019-10-31T22:26:45","date_gmt":"2019-10-31T19:26:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/uyazvimost-v-sudo-pozvolyaet-vypolnyat-komandy-s-pravami-superpolzovatelya-na-ustrojstvah-s-linux\/"},"modified":"2019-10-31T22:26:45","modified_gmt":"2019-10-31T19:26:45","slug":"uyazvimost-v-sudo-pozvolyaet-vypolnyat-komandy-s-pravami-superpolzovatelya-na-ustrojstvah-s-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/uyazvimost-v-sudo-pozvolyaet-vypolnyat-komandy-s-pravami-superpolzovatelya-na-ustrojstvah-s-linux","title":{"rendered":"Eine Schwachstelle in Sudo erm\u00f6glicht das Ausf\u00fchren von Befehlen mit Superuser-Rechten auf Linux-Ger\u00e4ten","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Es wurde eine Schwachstelle im Sudo-Befehl (super user do) f\u00fcr Linux entdeckt. Die Ausnutzung dieser Schwachstelle erm\u00f6glicht es privilegierten Benutzern oder Programmen, Befehle mit Superuser-Rechten auszuf\u00fchren. Es wird darauf hingewiesen, dass die Schwachstelle Systeme mit nicht standardm\u00e4\u00dfigen Konfigurationen betrifft und die Mehrheit der unter Linux betriebenen Server nicht betrifft.<\/p>\n<p><img decoding=\"async\" alt=\"Eine Schwachstelle in Sudo erm\u00f6glicht das Ausf\u00fchren von Befehlen mit Superuser-Rechten auf Linux-Ger\u00e4ten\" src=\"\/wp-content\/uploads\/2019\/10\/8e38ffa0ae4cfd4b46f1689f78191ee7.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>Die Schwachstelle tritt auf, wenn Konfigurationseinstellungen von Sudo verwendet werden, die es erm\u00f6glichen, Befehle im Namen anderer Benutzer auszuf\u00fchren. Dar\u00fcber hinaus kann Sudo auf besondere Weise konfiguriert werden, wodurch es m\u00f6glich ist, Befehle im Namen anderer Benutzer auszuf\u00fchren, mit Ausnahme des Superusers. Dazu m\u00fcssen entsprechende Anpassungen in der Konfigurationsdatei vorgenommen werden.<\/p>\n<p>Das Problem liegt darin, wie Sudo Benutzer-IDs verarbeitet. Wenn Sie in die Befehlszeile die Benutzer-ID -1 oder deren \u00c4quivalent 4294967295 eingeben, kann der ausgef\u00fchrte Befehl mit Superuser-Rechten ausgef\u00fchrt werden. Da die angegebenen Benutzer-IDs nicht in der Passwortdatenbank aufgef\u00fchrt sind, ist zur Ausf\u00fchrung des Befehls kein Passwort erforderlich.<\/p>\n<p>Um die Wahrscheinlichkeit von Problemen im Zusammenhang mit dieser Schwachstelle zu verringern, wird den Benutzern empfohlen, Sudo so schnell wie m\u00f6glich auf Version 1.8.28 oder aktueller zu aktualisieren. In der neuen Version von Sudo wird die Option -1 nicht mehr als Benutzer-ID verwendet. Das bedeutet, dass Angreifer diese Schwachstelle nicht ausnutzen k\u00f6nnen. &nbsp;<\/p>\n<p><center><\/center><\/p>\n<p><center><\/p>\n<p><\/center><\/p>\n<p>\t\t\t\t<center><br \/>\n\t\t\t\t\t\t\t\t<\/center><br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.3dnews.ru\/995643\">3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u0442\u0430\u043b\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u043e\u0431 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043a\u043e\u043c\u0430\u043d\u0434\u0435 Sudo (super user do) \u0434\u043b\u044f Linux. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0434\u0430\u043d\u043d\u043e\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0435\u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c \u0438\u043b\u0438 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430\u043c \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a\u043e\u043c\u0430\u043d\u0434 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u0441\u0443\u043f\u0435\u0440\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0441 \u043d\u0435\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u044b\u043c\u0438 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u043c\u0438 \u0438 \u043d\u0435 \u043a\u0430\u0441\u0430\u0435\u0442\u0441\u044f \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0445 \u043f\u043e\u0434 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c Linux. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u0435\u0442 \u0432 \u0441\u043b\u0443\u0447\u0430\u044f\u0445, \u043a\u043e\u0433\u0434\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 Sudo, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":29198,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-38921","post","type-post","status-publish","format-standard","has-post-thumbnail","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\u0442\u0430\u043b\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e \u043e\u0431 \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0432 \u043a\u043e\u043c\u0430\u043d\u0434\u0435 Sudo (super user do) \u0434\u043b\u044f Linux.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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