{"id":112583,"date":"2023-12-30T09:10:13","date_gmt":"2023-12-30T07:10:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-gnu-inetutils-2-5-s-ustraneniem-uyazvimosti-v-suid-prilozheniyah"},"modified":"2023-12-30T09:10:13","modified_gmt":"2023-12-30T07:10:13","slug":"vypusk-gnu-inetutils-2-5-s-ustraneniem-uyazvimosti-v-suid-prilozheniyah","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/vypusk-gnu-inetutils-2-5-s-ustraneniem-uyazvimosti-v-suid-prilozheniyah","title":{"rendered":"Ver\u00f6ffentlichung von GNU inetutils 2.5 mit Behebung einer Schwachstelle in SUID-Anwendungen","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nach 14 Monaten Entwicklung wurde die Version 2.5 des GNU inetutils-Pakets mit einer Sammlung von Netzwerkprogrammen ver\u00f6ffentlicht, von denen die meisten aus BSD-Systemen portiert wurden. Insbesondere umfasst das Paket inetd und syslogd, Server und Clients f\u00fcr ftp, telnet, rsh, rlogin, tftp und talk sowie grundlegende Dienstprogramme wie ping, ping6, traceroute, whois, hostname, dnsdomainname, ifconfig, logger usw.    <\/p>\n<p>In der neuen Version wurde eine Schwachstelle (CVE-2023-40303) in den SUID-Programmen ftpd, rcp, rlogin, rsh, rshd und uucpd behoben, die durch fehlende \u00dcberpr\u00fcfung der von den Funktionen setuid(), setgid(), seteuid() und setguid() zur\u00fcckgegebenen Werte verursacht wurde. Die Schwachstelle kann ausgenutzt werden, um Bedingungen zu schaffen, unter denen der Aufruf von set*id() nicht zu einem Abbruch der Privilegien f\u00fchrt, und die Anwendung weiterhin mit erh\u00f6hten Privilegien l\u00e4uft und unter diesen Operationen ausf\u00fchrt, die urspr\u00fcnglich f\u00fcr die Ausf\u00fchrung mit den Rechten eines unprivilegierten Benutzers gedacht waren. Zum Beispiel werden die Prozesse ftpd, uucpd und rshd, die mit root-Rechten gestartet werden, im Falle eines Fehlers beim Aufruf von set*id() weiterhin die root-Rechte nach dem Start der Benutzersitzungen verwenden.    <\/p>\n<p>Neben der Behebung von Sicherheitsanf\u00e4lligkeiten und kleinen Fehlern in der neuen Version wurde der ping6-Dienst um die Unterst\u00fctzung von ICMPv6-Nachrichten zur Information \u00fcber die Nichterreichbarkeit des Zielhosts (\"destination unreachable\", RFC 4443) erweitert.                <\/p>\n<ul>      <\/ul>\n<p>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60366\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 14 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043d\u0430\u0431\u043e\u0440\u0430 GNU inetutils 2.5 \u0441 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0435\u0439 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c, \u0431\u043e\u043b\u044c\u0448\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0435\u0440\u0435\u043d\u0435\u0441\u0435\u043d\u0430 \u0438\u0437 BSD-\u0441\u0438\u0441\u0442\u0435\u043c. \u0412 \u0447\u0430\u0441\u0442\u043d\u043e\u0441\u0442\u0438, \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u0432\u0445\u043e\u0434\u044f\u0442 inetd \u0438 syslogd, \u0441\u0435\u0440\u0432\u0435\u0440\u044b \u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u044b \u0434\u043b\u044f ftp, telnet, rsh, rlogin, tftp \u0438 talk, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0442\u0438\u043f\u043e\u0432\u044b\u0435 \u0443\u0442\u0438\u043b\u0438\u0442\u044b, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a ping, ping6, traceroute, whois, hostname, dnsdomainname, ifconfig, logger \u0438 \u0442.\u043f. [&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-112583","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=\"\u041f\u043e\u0441\u043b\u0435 14 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043d\u0430\u0431\u043e\u0440\u0430 GNU inetutils 2.5 \u0441 \u043a\u043e\u043b\u043b\u0435\u043a\u0446\u0438\u0435\u0439 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c, \u0431\u043e\u043b\u044c\u0448\u0430\u044f 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