{"id":117327,"date":"2024-07-11T15:43:21","date_gmt":"2024-07-11T13:43:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novaya-versiya-pochtovogo-servera-exim-4-98"},"modified":"2024-07-11T15:43:21","modified_gmt":"2024-07-11T13:43:21","slug":"novaya-versiya-pochtovogo-servera-exim-4-98","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/novaya-versiya-pochtovogo-servera-exim-4-98","title":{"rendered":"Az Exim 4.98 levelez\u0151szerver \u00faj verzi\u00f3ja","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nyolc h\u00f3napos fejleszt\u00e9s ut\u00e1n megjelent az Exim 4.98 levelez\u0151szerver kiad\u00e1sa, amelybe a felhalmozott jav\u00edt\u00e1sokat \u00e9s \u00faj lehet\u0151s\u00e9geket integr\u00e1ltak. A projekt k\u00f3dja C nyelven \u00edr\u00f3dott \u00e9s GPLv2+ licenc alatt terjesztik. A j\u00faniusi automatiz\u00e1lt felm\u00e9r\u00e9s alapj\u00e1n, amely k\u00f6r\u00fclbel\u00fcl 400 ezer levelez\u0151szervert vizsg\u00e1lt, az Exim r\u00e9szesed\u00e9se 59,06% (egy \u00e9ve 55,93%), a Postfix 34,68% (37,40%), a Sendmail - 3,42% (3,45%), a MailEnable - 1,81% (1,86%), az MDaemon - 0,37% (0,48%), a Microsoft Exchange - 0,17% (0,25%).       <\/p>\n<p>  F\u0151bb v\u00e1ltoz\u00e1sok:  <\/p>\n<ul>\n<li class=\"l\"> Jav\u00edtott\u00e1k a (CVE-2024-39929) sebezhet\u0151s\u00e9get, amely hib\u00e1s f\u00e1jln\u00e9v-elemz\u00e9sb\u0151l eredett e-mail mell\u00e9kletekben. Ez a sebezhet\u0151s\u00e9g megker\u00fclheti azokat a sz\u0171r\u0151ket, ahol a $mime_filename v\u00e1ltoz\u00f3t haszn\u00e1lj\u00e1k, lehet\u0151v\u00e9 t\u00e9ve v\u00e9grehajthat\u00f3 f\u00e1jlok \u00e1tad\u00e1s\u00e1t a mell\u00e9kletekben, a be\u00e1ll\u00edt\u00e1sok ellen\u00e9re.\n<li class=\"l\"> A DATA parancsra vonatkoz\u00f3 adatokat szab\u00e1lyoz\u00f3 ACL-ben enged\u00e9lyezt\u00e9k a dkim_status felt\u00e9tel haszn\u00e1lat\u00e1t, amely lehet\u0151v\u00e9 teszi a DKIM (DomainKeys Identified Mail) mechanizmuson kereszt\u00fcl v\u00e9gzett ellen\u0151rz\u00e9s eredm\u00e9ny\u00e9nek \u00e9rt\u00e9kel\u00e9s\u00e9t.\n<li class=\"l\"> A dkim_verbose be\u00e1ll\u00edt\u00e1s enged\u00e9lyez\u00e9s\u00e9vel, amely tov\u00e1bbi hibakeres\u00e9si inform\u00e1ci\u00f3kat r\u00f6gz\u00edt a DKIM m\u0171k\u00f6d\u00e9s\u00e9r\u0151l, biztos\u00edtva lett a digit\u00e1lis al\u00e1\u00edr\u00e1sokkal kapcsolatos inform\u00e1ci\u00f3k megjelen\u00edt\u00e9se.\n<li class=\"l\"> A dkim_timestamps opci\u00f3ban, amely a hozz\u00e1adott id\u0151inform\u00e1ci\u00f3 al\u00e1\u00edr\u00e1sba t\u00f6rt\u00e9n\u0151 beilleszt\u00e9s\u00e9t szab\u00e1lyozza, megengedett a '0' \u00e9rt\u00e9k megad\u00e1sa az aktu\u00e1lis id\u0151 hozz\u00e1ad\u00e1s\u00e1hoz.\n<li class=\"l\"> A recipients_max opci\u00f3ban, amely a c\u00edmzettek sz\u00e1m\u00e1nak korl\u00e1toz\u00e1s\u00e1t hat\u00e1rozza meg egy \u00fczenethez, enged\u00e9lyezve lett a helyettes\u00edt\u00e9sek \u00e9s sablonok haszn\u00e1lata.\n<li class=\"l\"> Az 'exim -be' parancs seg\u00edts\u00e9g\u00e9vel t\u00f6rt\u00e9n\u0151 kifejez\u00e9s tesztel\u00e9s\u00e9n\u00e9l lehet\u0151s\u00e9g ny\u00edlik a tainted \u00e9rt\u00e9kek (k\u00edv\u00fclr\u0151l kapott \u00e9rt\u00e9kek, p\u00e9ld\u00e1ul az \u00fczenetet k\u00fcld\u0151 \u00e1ltal be\u00e1ll\u00edtottak) megad\u00e1s\u00e1ra.\n<li class=\"l\"> T\u00e1mogat\u00e1st nyert a 'dns:fail' esem\u00e9ny napl\u00f3z\u00e1sa, amely a DNSBL-list\u00e1k lek\u00e9rdez\u00e9s\u00e9nek hib\u00e1jakor k\u00f6vetkezik be.\n<li class=\"l\"> A dsearch lookup-blokkokhoz hozz\u00e1adt\u00e1k a t\u00e1mogat\u00e1st a nem teljes f\u00e1jl\u00fatvonal szerinti keres\u00e9shez ('${lookup {foo\/bar} dsearch,key=path {\/etc}}').\n<li class=\"l\"> A csomag tartalmazza a mailtest seg\u00e9dprogramot az SMTP-kapcsolat tesztel\u00e9s\u00e9re \u00e9s diagnosztiz\u00e1l\u00e1s\u00e1ra.\n<li class=\"l\"> Megval\u00f3s\u00edtott\u00e1k az SMTP WELLKNOWN kiterjeszt\u00e9s t\u00e1mogat\u00e1s\u00e1t, amely lehet\u0151v\u00e9 teszi a levelez\u0151szerver sz\u00e1m\u00e1ra a nyilv\u00e1nos inform\u00e1ci\u00f3k, p\u00e9ld\u00e1ul kapcsolattart\u00e1si adatok vagy az azonos\u00edt\u00e1s param\u00e9tereinek \u00e1tad\u00e1s\u00e1t a kliens sz\u00e1m\u00e1ra. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/ssl-sertifikat\/\"   title=\"TLS tan\u00fas\u00edtv\u00e1ny\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"952\">TLS tan\u00fas\u00edtv\u00e1ny<\/a>, az ACME protokoll haszn\u00e1lat\u00e1val.\n<li class=\"l\"> Lehet\u0151v\u00e9 v\u00e1lt az SQLite3 haszn\u00e1lata a bels\u0151 adatb\u00e1zisok t\u00e1rol\u00e1s\u00e1hoz, a DBD, NDB, GBDM \u00e9s TDB mellett. Az SQLite3 haszn\u00e1lat\u00e1hoz a Local\/Makefile el\u0151k\u00e9sz\u00edt\u00e9se el\u0151tt a 'USE_SQLITE = y' \u00e9s a 'DBMLIB = -lsqlite3' param\u00e9tereket kell megadni.        <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61527\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 Exim 4.98, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432\u043d\u0435\u0441\u0435\u043d\u044b \u043d\u0430\u043a\u043e\u043f\u0438\u0432\u0448\u0438\u0435\u0441\u044f \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2+. \u0412 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u0438\u044e\u043d\u044c\u0441\u043a\u0438\u043c \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u043e\u043f\u0440\u043e\u0441\u043e\u043c \u043e\u043a\u043e\u043b\u043e 400 \u0442\u044b\u0441\u044f\u0447 \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u0434\u043e\u043b\u044f Exim \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 59.06% (\u0433\u043e\u0434 \u043d\u0430\u0437\u0430\u0434 55.93%), Postfix \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043d\u0430 34.68% (37.40%) \u043f\u043e\u0447\u0442\u043e\u0432\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, [&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-117327","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 \u0432\u043e\u0441\u044c\u043c\u0438 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