{"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\/pt\/blog\/news\/vypusk-gnu-inetutils-2-5-s-ustraneniem-uyazvimosti-v-suid-prilozheniyah","title":{"rendered":"Lan\u00e7amento do GNU inetutils 2.5 com corre\u00e7\u00e3o de vulnerabilidade em aplicativos suid","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s 14 meses de desenvolvimento, foi lan\u00e7ado o conjunto GNU inetutils 2.5 com uma cole\u00e7\u00e3o de programas de rede, a maior parte dos quais foi transferida de sistemas BSD. Em particular, inclui inetd e syslogd, servidores e clientes para ftp, telnet, rsh, rlogin, tftp e talk, al\u00e9m de utilit\u00e1rios comuns, como ping, ping6, traceroute, whois, hostname, dnsdomainname, ifconfig, logger, etc.    <\/p>\n<p>Na nova vers\u00e3o, foi corrigida uma vulnerabilidade (CVE-2023-40303) em programas suid como ftpd, rcp, rlogin, rsh, rshd e uucpd, causada pela falta de verifica\u00e7\u00e3o dos valores retornados pelas fun\u00e7\u00f5es setuid(), setgid(), seteuid() e setguid(). A vulnerabilidade pode ser explorada para criar condi\u00e7\u00f5es em que a chamada set*id() n\u00e3o levar\u00e1 \u00e0 perda de privil\u00e9gios, permitindo que o aplicativo continue a funcionar com privil\u00e9gios elevados e execute opera\u00e7\u00f5es inicialmente destinadas a usu\u00e1rios sem privil\u00e9gios. Por exemplo, processos como ftpd, uucpd e rshd, que s\u00e3o iniciados com privil\u00e9gios root, continuar\u00e3o a usar os direitos de root ap\u00f3s uma falha na chamada set*id() durante as sess\u00f5es dos usu\u00e1rios.    <\/p>\n<p>Al\u00e9m da corre\u00e7\u00e3o de vulnerabilidades e pequenos erros na nova vers\u00e3o, a ferramenta ping6 agora possui suporte para mensagens ICMPv6 com informa\u00e7\u00f5es sobre a indisponibilidade do host de destino (\"destination unreachable\", RFC 4443).                <\/p>\n<ul>      <\/ul>\n<p>Fonte: <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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