{"id":110482,"date":"2023-10-05T03:11:34","date_gmt":"2023-10-05T01:11:34","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-exim-obnaruzhili-kriticheskie-uyazvimosti-pozvolyashhie-vypolnit-na-servere-proizvolnyj-kod"},"modified":"2023-10-05T03:11:34","modified_gmt":"2023-10-05T01:11:34","slug":"v-exim-obnaruzhili-kriticheskie-uyazvimosti-pozvolyashhie-vypolnit-na-servere-proizvolnyj-kod","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/v-exim-obnaruzhili-kriticheskie-uyazvimosti-pozvolyashhie-vypolnit-na-servere-proizvolnyj-kod","title":{"rendered":"Eximis avastati kriitilised haavatavused, mis v\u00f5imaldavad serveris t\u00e4itmist juhuslikku koodi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

ZDI (Zero Day Initiative) avaldas teavet kolme avastatud kriitilise haavatavuse kohta Eximi e-posti serveris, mis v\u00f5imaldavad t\u00e4ita juhuslikku koodi serveri protsessi nimel, avades 25. pordi. R\u00fcnnaku l\u00e4biviimiseks ei ole serverisse autentimine vajalik.<\/p>\n

    <\/p>\n
  1. CVE-2023-42115<\/a> \u2014 v\u00f5imaldab saavutada andmete kirjutamist eraldatud puhvri piiridest. See on tingitud sisendi kontrollimise veast SMTP teenuses.<\/li>\n

    <\/noindex> <\/p>\n

  2. CVE-2023-42116<\/a> \u2013 tingitud kasutaja andmete kopeerimisest fikseeritud suurusega puhvri, ilma vajaliku suuruse kontrollimiseta.<\/li>\n
  3. CVE-2023-42117<\/a> \u2013 samuti tingitud puudulikest sisendi kontrollidest 25. SMTP teenuse pordil.<\/li>\n<\/ol>\n

    Need haavatavused on m\u00e4rgitud kui 0-p\u00e4eva, mis t\u00e4hendab, et neid ei paranda, kuigi ZDI s\u00f5nul on Eximi arendajad juba pikka aega nende olemasolust teavitatud. V\u00f5imalik, et parandamine toimub serveri versioonis 4.97, kuid see pole kindel.<\/p>\n

    Hetkel soovitatakse nende haavatavuste kaitseks piirata juurdep\u00e4\u00e4su SMTP-le 25. pordil.<\/p>\n

    <\/p>\n

    UPD.<\/strong> Tundub, et k\u00f5ik polegi nii halb. Need haavatavused on kohalikud. Need ei t\u00f6\u00f6ta, kui server ei kasuta NTLM ega v\u00e4lise autentimise meetodeid, ei ole kaitstud proksi taga, ei kasuta potentsiaalselt ohtlikke DNS-servereid ega kasuta spf acl-is. \u041f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435…<\/a><\/p>\n

    <\/noindex><\/p>\n

    Allikas: linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

    ZDI (Zero Day Initiative) \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u0442\u0440\u0435\u0445 \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0435 Exim, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u043e\u0442 \u0438\u043c\u0435\u043d\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043e\u0442\u043a\u0440\u044b\u0432\u0448\u0435\u0433\u043e 25\u0439 \u043f\u043e\u0440\u0442. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u043d\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f. CVE-2023-42115 \u2014 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u0432\u043e\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0431\u0443\u0444\u0435\u0440\u0430.\u00a0\u0412\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0441\u0435\u0440\u0432\u0438\u0441\u0435 SMTP. CVE-2023-42116 \u2013\u00a0\u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c […]<\/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-110482","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"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\udd47Eximis avastati kriitilised haavatavused, mis v\u00f5imaldavad serveris k\u00e4ivitada kahtlast koodi | ProHoster","description":"ZDI (Zero Day Initiative) on avaldanud teavet kolme leitud kriitilise haavatavuse kohta Eximi postiserveris, mis v\u00f5imaldavad k\u00e4ivitada kahtlast koodi serveriprotsessi nimel, mis avab 25. pordi. R\u00fcnnaku l\u00e4biviimiseks ei ole serveris autentimine vajalik. CVE-2023-42115 \u2013 v\u00f5imaldab kirjutada andmeid oma andmemahutist v\u00e4lja. See on p\u00f5hjustatud sisendite kontrollimise vea t\u00f5ttu SMTP teenuses. CVE-2023-42116 \u2013 on p\u00f5hjustatud kopeerimisest.","canonical_url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/v-exim-obnaruzhili-kriticheskie-uyazvimosti-pozvolyashhie-vypolnit-na-servere-proizvolnyj-kod","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"et_EE","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\u0412 Exim \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0438\u043b\u0438 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0449\u0438\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 | ProHoster","og:description":"ZDI (Zero Day Initiative) \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0438 \u0441\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u043e \u0442\u0440\u0435\u0445 \u043d\u0430\u0439\u0434\u0435\u043d\u043d\u044b\u0445 \u043a\u0440\u0438\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044f\u0445 \u0432 \u043f\u043e\u0447\u0442\u043e\u0432\u043e\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0435 Exim, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u043e\u0442 \u0438\u043c\u0435\u043d\u0438 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0430, \u043e\u0442\u043a\u0440\u044b\u0432\u0448\u0435\u0433\u043e 25\u0439 \u043f\u043e\u0440\u0442. \u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a\u0438 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u043d\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f. CVE-2023-42115 \u2014 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u0432\u043e\u0438\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u0430\u043c\u0438 \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u0431\u0443\u0444\u0435\u0440\u0430. \u0412\u044b\u0437\u0432\u0430\u043d\u0430 \u043e\u0448\u0438\u0431\u043a\u043e\u0439 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0432\u0445\u043e\u0434\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0441\u0435\u0440\u0432\u0438\u0441\u0435 SMTP. CVE-2023-42116 \u2013 \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c","og:url":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/v-exim-obnaruzhili-kriticheskie-uyazvimosti-pozvolyashhie-vypolnit-na-servere-proizvolnyj-kod","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":"2023-10-05T01:11:34+00:00","article:modified_time":"2023-10-05T01:11:34+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\/et\/wp-json\/wp\/v2\/posts\/110482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/comments?post=110482"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/posts\/110482\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/media?parent=110482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/categories?post=110482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/et\/wp-json\/wp\/v2\/tags?post=110482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}