{"id":102232,"date":"2021-11-07T15:36:40","date_gmt":"2021-11-07T13:36:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-kommutatorah-cisco-catalyst-pon-pozvolyayushhaya-vojti-cherez-telnet-bez-znaniya-parolya"},"modified":"2021-11-07T15:36:40","modified_gmt":"2021-11-07T13:36:40","slug":"uyazvimost-v-kommutatorah-cisco-catalyst-pon-pozvolyayushhaya-vojti-cherez-telnet-bez-znaniya-parolya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimost-v-kommutatorah-cisco-catalyst-pon-pozvolyayushhaya-vojti-cherez-telnet-bez-znaniya-parolya","title":{"rendered":"Vulnerabilitate \u00een comutatoarele Cisco Catalyst PON, care permite accesul prin telnet f\u0103r\u0103 a cunoa\u0219te parola","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u00cen switch-urile Cisco Catalyst din seria PON CGP-ONT-* (Re\u021bea Optic\u0103 Pasiv\u0103) a fost identificat\u0103 o problem\u0103 critic\u0103 de securitate (CVE-2021-34795), care permite, prin activarea protocolului telnet, conectarea la switch cu drepturi de administrator, utiliz\u00e2nd un cont de depanare cunoscut, l\u0103sat de produc\u0103tor \u00een firmware. Problema se manifest\u0103 doar atunci c\u00e2nd este activat\u0103 \u00een set\u0103ri op\u021biunea de acces prin telnet, care este dezactivat\u0103 implicit. <\/p>\n

\u00cen plus fa\u021b\u0103 de existen\u021ba unui cont cu o parol\u0103 cunoscut\u0103 \u00een modelele de switchuri analizate, au fost identificate dou\u0103 vulnerabilit\u0103\u021bi (CVE-2021-40112, CVE-2021-40113) \u00een interfa\u021ba web, care permit unui atacator neautentificat, care nu cunoa\u0219te datele de autentificare, s\u0103 execute comenzi cu drepturi de root \u0219i s\u0103 efectueze modific\u0103ri \u00een set\u0103ri. Implicit, accesul la interfa\u021ba web este permis doar din re\u021beaua local\u0103, cu excep\u021bia cazului \u00een care acest comportament este modificat \u00een set\u0103ri. <\/p>\n

De asemenea, o problem\u0103 similar\u0103 (CVE-2021-40119) cu un acces ingineresc predefinit a fost identificat\u0103 \u00een produsul software Cisco Policy Suite, \u00een care a fost instalat un SSH-cheie preg\u0103tit\u0103 de produc\u0103tor, care permite unui atacator de la distan\u021b\u0103 s\u0103 acceseze sistemul cu drepturi de root.
\n
Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0430\u0445 Cisco Catalyst \u0441\u0435\u0440\u0438\u0438 PON CGP-ONT-* (Passive Optical Network) \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0430 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e (CVE-2021-34795), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043f\u0440\u0438 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 telnet \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0438\u0442\u044c\u0441\u044f \u043a \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0443 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0437\u0430\u0440\u0430\u043d\u0435\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u0443\u044e \u043e\u0442\u043b\u0430\u0434\u043e\u0447\u043d\u0443\u044e \u0443\u0447\u0451\u0442\u043d\u0443\u044e \u0437\u0430\u043f\u0438\u0441\u044c, \u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043d\u0443\u044e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c \u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0435. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0438 \u0430\u043a\u0442\u0438\u0432\u0430\u0446\u0438\u0438 \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0447\u0435\u0440\u0435\u0437 telnet, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u043a\u043b\u044e\u0447\u0451\u043d \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e. \u041a\u0440\u043e\u043c\u0435 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u0443\u0447\u0451\u0442\u043d\u043e\u0439 […]<\/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-102232","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Vulnerabilitate \u00een switch-urile Cisco Catalyst PON, care permite conectarea prin telnet f\u0103r\u0103 a cunoa\u0219te parola | ProHoster","description":"\u00cen switch-urile Cisco Catalyst din seria PON CGP-ONT-* (Re\u021bea Optic\u0103 Pasiv\u0103) a fost identificat\u0103 o problem\u0103 critic\u0103 de securitate (CVE-2021-34795), care permite, prin activarea protocolului telnet, conectarea la switch cu.","canonical_url":"https:\/\/prohoster.info\/ro\/blog\/news\/uyazvimost-v-kommutatorah-cisco-catalyst-pon-pozvolyayushhaya-vojti-cherez-telnet-bez-znaniya-parolya","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"ro_RO","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0430\u0445 Cisco Catalyst PON, 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