{"id":112564,"date":"2023-12-29T09:10:21","date_gmt":"2023-12-29T07:10:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-exim-4-97-1-s-dobavleniem-zashhity-ot-ataki-smtp-smuggling"},"modified":"2023-12-29T09:10:21","modified_gmt":"2023-12-29T07:10:21","slug":"obnovlenie-exim-4-97-1-s-dobavleniem-zashhity-ot-ataki-smtp-smuggling","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/obnovlenie-exim-4-97-1-s-dobavleniem-zashhity-ot-ataki-smtp-smuggling","title":{"rendered":"Aktualiz\u00e1cia Exim 4.97.1 s pridan\u00edm ochrany proti \u00fatoku SMTP Smuggling","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Korekt\u00edvna verzia mailov\u00e9ho servera Exim 4.97.1 je dostupn\u00e1, ktor\u00e1 obsahuje zmeny na ochranu pred \u00fatokom SMTP Smuggling, ktor\u00fd umo\u017e\u0148uje rozdelit jednu spr\u00e1vu na nieko\u013eko r\u00f4znych spr\u00e1v pomocou nepodporovanej sekvencie na oddelenie spr\u00e1v. P\u00f4vodne sa predpokladalo, \u017ee probl\u00e9m sa prejavuje iba v postfix a sendmail, ale nesk\u00f4r sa uk\u00e1zalo, \u017ee sa t\u00fdka aj Exim (CVE-2023-51766). <\/p>\n

Exim m\u00f4\u017ee spracov\u00e1va\u0165 ako odde\u013eova\u010de spr\u00e1v sekvencie «\n.\n», «\r\n.\n» a «\n.\r\n», ak je na serveri pre prich\u00e1dzaj\u00face spojenia povolen\u00e1 podpora roz\u0161\u00edren\u00ed «PIPELINING» a «CHUNKING». V oprave bola pridan\u00e1 konfigur\u00e1cia strict_crlf, ktor\u00e1 umo\u017e\u0148uje vr\u00e1ti\u0165 mo\u017enos\u0165 spracovania nestandardn\u00fdch sekvenci\u00ed. Ako obch\u00e1dzac\u00ed prostriedok ochrany je mo\u017en\u00e9 vypn\u00fa\u0165 roz\u0161\u00edrenie «PIPELINING» alebo «CHUNKING», pomocou nastaven\u00ed pipelining_advertise_hosts, pipelining_connect_advertise_hosts a chunking_advertise_hosts.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.97.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u044b \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0430\u0442\u0430\u043a\u0438 SMTP Smuggling, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0440\u0430\u0441\u0449\u0435\u043f\u0438\u0442\u044c \u043e\u0434\u043d\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0440\u0430\u0437\u043d\u044b\u0445 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 \u0447\u0435\u0440\u0435\u0437 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043d\u0435\u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u043d\u043e\u0439 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u0440\u0430\u0437\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u043f\u0438\u0441\u0435\u043c. \u0418\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u0430\u0433\u0430\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 postfix \u0438 sendmail, \u043d\u043e \u043f\u043e\u0437\u0434\u043d\u0435\u0435 \u0432\u044b\u044f\u0441\u043d\u0438\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043e\u043d\u0430 \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u0435\u0442 \u0438 Exim (CVE-2023-51766). Exim \u043c\u043e\u0436\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u0432 […]<\/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-112564","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\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\udd47Aktualiz\u00e1cia Exim 4.97.1 s pridan\u00edm ochrany pred \u00fatokom SMTP Smuggling | ProHoster","description":"Korekt\u00edvna verzia mailov\u00e9ho servera Exim 4.97.1 je dostupn\u00e1, ktor\u00e1 obsahuje zmeny na ochranu pred \u00fatokom SMTP Smuggling, ktor\u00fd umo\u017e\u0148uje rozdelit jednu spr\u00e1vu na nieko\u013eko r\u00f4znych spr\u00e1v pomocou.","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/news\/obnovlenie-exim-4-97-1-s-dobavleniem-zashhity-ot-ataki-smtp-smuggling","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","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\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 Exim 4.97.1 \u0441 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0430\u0442\u0430\u043a\u0438 SMTP Smuggling | ProHoster","og:description":"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.97.1, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u044b \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0430\u0442\u0430\u043a\u0438 SMTP Smuggling, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u0440\u0430\u0441\u0449\u0435\u043f\u0438\u0442\u044c \u043e\u0434\u043d\u043e \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043d\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0440\u0430\u0437\u043d\u044b\u0445 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 \u0447\u0435\u0440\u0435\u0437 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435.","og:url":"https:\/\/prohoster.info\/sk\/blog\/news\/obnovlenie-exim-4-97-1-s-dobavleniem-zashhity-ot-ataki-smtp-smuggling","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2023-12-29T07:10:21+00:00","article:modified_time":"2023-12-29T07:10:21+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/posts\/112564","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/comments?post=112564"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/posts\/112564\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/media?parent=112564"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/categories?post=112564"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/sk\/wp-json\/wp\/v2\/tags?post=112564"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}