{"id":99572,"date":"2021-03-25T10:22:58","date_gmt":"2021-03-25T08:22:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-filtraczii-spama-spamassassin-3-4-5-s-ustraneniem-uyazvimosti"},"modified":"2021-03-25T10:22:58","modified_gmt":"2021-03-25T08:22:58","slug":"vypusk-sistemy-filtraczii-spama-spamassassin-3-4-5-s-ustraneniem-uyazvimosti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-sistemy-filtraczii-spama-spamassassin-3-4-5-s-ustraneniem-uyazvimosti","title":{"rendered":"Vyd\u00e1n\u00ed syst\u00e9mu filtrac\u00ed spamu SpamAssassin 3.4.5 s odstran\u011bn\u00edm zranitelnosti","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

K dispozici je vyd\u00e1n\u00ed platformy pro filtrov\u00e1n\u00ed spamu \u2014 SpamAssassin 3.4.5. SpamAssassin implementuje komplexn\u00ed p\u0159\u00edstup k rozhodov\u00e1n\u00ed o blokov\u00e1n\u00ed: zpr\u00e1va podl\u00e9h\u00e1 \u0159ad\u011b kontrol (kontextov\u00e1 anal\u00fdza, \u010dern\u00e9 a b\u00edl\u00e9 seznamy DNSBL, u\u010d\u00edc\u00ed se bayesovsk\u00e9 klasifik\u00e1tory, kontrola podle podpis\u016f, autentizace odes\u00edlatele pomoc\u00ed SPF a DKIM atd.). Po vyhodnocen\u00ed zpr\u00e1vy r\u016fzn\u00fdmi metodami se shroma\u017e\u010fuje ur\u010dit\u00fd v\u00e1hov\u00fd koeficient. Pokud vypo\u010d\u00edtan\u00fd koeficient p\u0159ekro\u010d\u00ed dan\u00fd pr\u00e1h \u2014 zpr\u00e1va je blokov\u00e1na nebo ozna\u010dena jako spam. Podporov\u00e1ny jsou prost\u0159edky pro automatick\u00e9 aktualizace pravidel filtrov\u00e1n\u00ed. Bal\u00edk m\u016f\u017ee b\u00fdt pou\u017eit jak na klientsk\u00fdch, tak na serverov\u00fdch syst\u00e9mech. K\u00f3d SpamAssassin je naps\u00e1n v jazyce Perl a je distribuov\u00e1n pod licenc\u00ed Apache. <\/p>\n

V nov\u00e9m vyd\u00e1n\u00ed byla odstran\u011bna zranitelnost (CVE-2020-1946), kter\u00e1 umo\u017e\u0148uje \u00fato\u010dn\u00edkovi vykon\u00e1vat syst\u00e9mov\u00e9 p\u0159\u00edkazy na serveru<\/a> p\u0159i instalaci nekontrolovan\u00fdch pravidel blokov\u00e1n\u00ed poch\u00e1zej\u00edc\u00edch z extern\u00edch zdroj\u016f. <\/p>\n

Mezi zm\u011bnami, kter\u00e9 se net\u00fdkaj\u00ed bezpe\u010dnosti, se zmi\u0148uje zlep\u0161en\u00ed pr\u00e1ce plugin\u016f OLEVBMacro a AskDNS, zlep\u0161en\u00ed procesu porovn\u00e1v\u00e1n\u00ed dat v hlavi\u010dk\u00e1ch Received a EnvelopeFrom, opravy v SQL sch\u00e9matu userpref, zlep\u0161en\u00ed k\u00f3du pro kontroly v rbl a hashbl, \u0159e\u0161en\u00ed probl\u00e9m\u016f s tagy TxRep. <\/p>\n

Je zd\u016frazn\u011bno, \u017ee v\u00fdvoj \u0159ady 3.4.x byl ukon\u010den a zm\u011bny do t\u00e9to v\u011btve ji\u017e nebudou p\u0159id\u00e1v\u00e1ny. V\u00fdjimku tvo\u0159\u00ed pouze opravy zranitelnost\u00ed, v p\u0159\u00edpad\u011b jejich\u017e v\u00fdskytu bude vytvo\u0159eno vyd\u00e1n\u00ed 3.4.6. V\u0161echny aktivity v\u00fdvoj\u00e1\u0159\u016f jsou soust\u0159ed\u011bny na v\u00fdvoj v\u011btve 4.0, ve kter\u00e9 bude realizov\u00e1na plnohodnotn\u00e1 vestav\u011bn\u00e1 podpora UTF-8.
\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 \u0440\u0435\u043b\u0438\u0437 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u0444\u0438\u043b\u044c\u0442\u0440\u0430\u0446\u0438\u0438 \u0441\u043f\u0430\u043c\u0430 — SpamAssassin 3.4.5. \u0412 SpamAssassin \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d \u043a\u043e\u043c\u043f\u043b\u0435\u043a\u0441\u043d\u044b\u0439 \u043f\u043e\u0434\u0445\u043e\u0434 \u0432 \u043f\u0440\u0438\u043d\u044f\u0442\u0438\u0438 \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u043e \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438: \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435 \u043f\u043e\u0434\u0432\u0435\u0440\u0433\u0430\u0435\u0442\u0441\u044f \u0440\u044f\u0434\u0443 \u043f\u0440\u043e\u0432\u0435\u0440\u043e\u043a (\u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u043d\u044b\u0439 \u0430\u043d\u0430\u043b\u0438\u0437, \u0447\u0451\u0440\u043d\u044b\u0435 \u0438 \u0431\u0435\u043b\u044b\u0435 \u0441\u043f\u0438\u0441\u043a\u0438 DNSBL, \u043e\u0431\u0443\u0447\u0430\u0435\u043c\u044b\u0435 \u0431\u0430\u0439\u0435\u0441\u043e\u0432\u0441\u043a\u0438\u0435 \u043a\u043b\u0430\u0441\u0441\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b, \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u043e \u0441\u0438\u0433\u043d\u0430\u0442\u0443\u0440\u0430\u043c, \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442\u0435\u043b\u044f \u043f\u043e SPF \u0438 DKIM \u0438 \u0442.\u043f.). \u041f\u043e\u0441\u043b\u0435 \u043e\u0446\u0435\u043d\u043a\u0438 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043d\u044b\u043c\u0438 \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438, \u043d\u0430\u043a\u0430\u043f\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0439 \u0432\u0435\u0441\u043e\u0432\u043e\u0439 \u043a\u043e\u044d\u0444\u0444\u0438\u0446\u0438\u0435\u043d\u0442. \u0415\u0441\u043b\u0438 \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\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-99572","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\udd47Vyd\u00e1n\u00ed syst\u00e9mu filtrac\u00ed spamu SpamAssassin 3.4.5 s odstran\u011bn\u00edm zranitelnosti | ProHoster","description":"Je k dispozici vyd\u00e1n\u00ed platformy pro filtraci spamu - 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