{"id":105252,"date":"2022-10-05T09:36:48","date_gmt":"2022-10-05T07:36:48","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openssh-9-1"},"modified":"2022-10-05T09:36:48","modified_gmt":"2022-10-05T07:36:48","slug":"reliz-openssh-9-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/reliz-openssh-9-1","title":{"rendered":"Izdanja OpenSSH 9.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nakon \u0161est mjeseci razvoja objavljena je verzija OpenSSH 9.1, otvorene implementacije klijenta i poslu\u017eitelja za rad po protokolima SSH 2.0 i SFTP. Izdanje se opisuje kao uglavnom s ispravcima gre\u0161aka, uklju\u010duju\u0107i rje\u0161avanje nekoliko potencijalnih ranjivosti uzrokovanih problemima s pam\u0107enjem:  <\/p>\n<ul>\n<li class=\"l\"> Jednobajtno preljevanje u kodu za obradu SSH bannera u alatu ssh-keyscan.\n<li class=\"l\"> Dupli poziv funkcije free() u slu\u010daju gre\u0161ke pri izra\u010dunu hash-a za datoteke u kodu za kreiranje i provjeru digitalnih potpisa u alatu ssh-keygen.\n<li class=\"l\"> Dupli poziv funkcije free() prilikom obrade gre\u0161aka u alatu ssh-keysign.    <\/ul>\n<p>Glavne promjene:  <\/p>\n<ul>\n<li class=\"l\"> U ssh i sshd dodana je direktiva RequiredRSASize koja omogu\u0107ava odre\u0111ivanje minimalne dopu\u0161tene veli\u010dine RSA klju\u010deva. U sshd klju\u010devi manje veli\u010dine bit \u0107e ignorirani, a u ssh dovest \u0107e do prekida veze.\n<li class=\"l\"> Prijenosna verzija OpenSSH pre\u0161la je na kori\u0161tenje SSH klju\u010deva za potpisivanje digitalnih potpisa commit-a i tagova u Git-u.\n<li class=\"l\"> Direktive SetEnv u konfiguracijskim datotekama ssh_config i sshd_config sada primjenjuju vrijednost iz prvog spominjanja varijable okru\u017eenja ako je definirana vi\u0161e puta u konfiguraciji (prije se primjenjivala posljednja spominjanja).\n<li class=\"l\"> Prilikom kori\u0161tenja alata ssh-keygen s oznakom &#171;-A&#187; (generiranje svih podr\u017eanih tipova klju\u010deva doma\u0107ina prema zadanim postavkama) onemogu\u0107eno je generiranje DSA klju\u010deva, koji se ve\u0107 nekoliko godina ne koriste prema zadanim postavkama.\n<li class=\"l\"> U sftp-serveru i sftp-u implementirano je pro\u0161irenje &#171;users-groups-by-id@openssh.com&#187;, koje korisniku omogu\u0107ava da zatra\u017ei imena korisnika i grupa odgovaraju\u0107ih navedenom skupu digitalnih identifikatora (uid i gid). U sftp-u je ovo pro\u0161irenje kori\u0161teno za prikazivanje imena prilikom ispisivanja sadr\u017eaja direktorija.\n<li class=\"l\"> U sftp-serveru implementirano je pro\u0161irenje &#171;home-directory&#187; za otkrivanje putanja ~\\\/ i ~user\\\/, alternative ranije predlo\u017eenom pro\u0161irenju &#171;expand-path@openssh.com&#187; (pro\u0161irenje &#171;home-directory&#187; predlo\u017eeno je za standardizaciju i ve\u0107 ga podr\u017eavaju neki klijenti).\n<li class=\"l\"> U ssh-keygen i sshd dodana je mogu\u0107nost navo\u0111enja vremena u UTC vremenskoj zoni prilikom odre\u0111ivanja intervala valjanosti certifikata i klju\u010deva, uz sistemsko vrijeme.\n<li class=\"l\"> U sftp-u dozvoljeno je navo\u0111enje dodatnih argumenata u opciji &#171;-D&#187; (na primjer, &#171;\\\/usr\\\/libexec\\\/sftp-server -el debug3&#187;).\n<li class=\"l\"> U ssh-keygenu dozvoljeno je kori\u0161tenje oznake &#171;-U&#187; (kori\u0161tenje ssh-agent) zajedno s operacijama &#171;-Y sign&#187; za odre\u0111ivanje da su privatni klju\u010devi smje\u0161teni u ssh-agent.<br \/>\n<br \/>Izvor: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57871\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\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 OpenSSH 9.1, \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u043c SSH 2.0 \u0438 SFTP. \u0412\u044b\u043f\u0443\u0441\u043a \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0437\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0439 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043e\u043a, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439, \u0432\u044b\u0437\u0432\u0430\u043d\u043d\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u043c\u0438 \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e: \u041e\u0434\u043d\u043e\u0431\u0430\u0439\u0442\u043e\u0432\u043e\u0435 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0432 \u043a\u043e\u0434\u0435 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 SSH-\u0431\u0430\u043d\u043d\u0435\u0440\u0430 \u0432 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 ssh-keyscan. \u0414\u0432\u043e\u0439\u043d\u043e\u0439 \u0432\u044b\u0437\u043e\u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 free() [&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-105252","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0448\u0435\u0441\u0442\u0438 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SFTP.","og:url":"https:\/\/prohoster.info\/hr\/blog\/news\/reliz-openssh-9-1","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":"2022-10-05T07:36:48+00:00","article:modified_time":"2022-10-05T07:36:48+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\/hr\/wp-json\/wp\/v2\/posts\/105252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/comments?post=105252"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts\/105252\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/media?parent=105252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/categories?post=105252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/tags?post=105252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}