{"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\/cs\/blog\/news\/vypusk-gnu-inetutils-2-5-s-ustraneniem-uyazvimosti-v-suid-prilozheniyah","title":{"rendered":"Vyd\u00e1n\u00ed GNU inetutils 2.5 s odstran\u011bn\u00edm zranitelnosti v suid aplikac\u00edch","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po 14 m\u011bs\u00edc\u00edch v\u00fdvoje byl sestaven release sady GNU inetutils 2.5 se sb\u00edrkou s\u00ed\u0165ov\u00fdch program\u016f, z nich\u017e v\u011bt\u0161ina byla p\u0159enesena ze syst\u00e9m\u016f BSD. Mezi nimi jsou inetd a syslogd, servery a klienti pro ftp, telnet, rsh, rlogin, tftp a talk, a tak\u00e9 b\u011b\u017en\u00e9 utilitky jako ping, ping6, traceroute, whois, hostname, dnsdomainname, ifconfig, logger atd.    <\/p>\n<p>V nov\u00e9 verzi byla odstran\u011bna zranitelnost (CVE-2023-40303) v suid programech ftpd, rcp, rlogin, rsh, rshd a uucpd, zp\u016fsoben\u00e1 absenc\u00ed kontroly hodnot vracen\u00fdch funkcemi setuid(), setgid(), seteuid() a setguid(). Zranitelnost m\u016f\u017ee b\u00fdt vyu\u017eita k vytvo\u0159en\u00ed podm\u00ednek, kdy vol\u00e1n\u00ed set*id() nevede k odebr\u00e1n\u00ed privilegi\u00ed a aplikace pokra\u010duje v b\u011bhu s vysok\u00fdmi privilegii a prov\u00e1d\u00ed operace p\u016fvodn\u011b ur\u010den\u00e9 pro pr\u00e1ci s pr\u00e1vy nep\u0159id\u011blen\u00e9ho u\u017eivatele. Nap\u0159\u00edklad procesy ftpd, uucpd a rshd spu\u0161t\u011bn\u00e9 s pr\u00e1vy root budou v p\u0159\u00edpad\u011b selh\u00e1n\u00ed p\u0159i vol\u00e1n\u00ed set*id() nad\u00e1le vyu\u017e\u00edvat pr\u00e1va root po zah\u00e1jen\u00ed relac\u00ed u\u017eivatel\u016f.    <\/p>\n<p>Krom\u011b odstran\u011bn\u00ed zranitelnost\u00ed a drobn\u00fdch chyb v nov\u00e9 verzi byla do n\u00e1stroje ping6 p\u0159id\u00e1na podpora zpr\u00e1v ICMPv6 s informacemi o nedostupnosti c\u00edlov\u00e9ho hostitele (\"destination unreachable\", RFC 4443).                <\/p>\n<ul>      <\/ul>\n<p>Zdroj: <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 5.0.3 - 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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