{"id":167221,"date":"2026-04-02T23:11:54","date_gmt":"2026-04-02T21:11:54","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openssh-10-3"},"modified":"2026-04-04T11:22:40","modified_gmt":"2026-04-04T09:22:40","slug":"reliz-openssh-10-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/reliz-openssh-10-3","title":{"rendered":"Megjelent az OpenSSH 10.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Hat h\u00f3napnyi fejleszt\u00e9s ut\u00e1n megjelent az OpenSSH 10.3, az SSH 2.0 \u00e9s SFTP protokollok kliens\u00e9nek ny\u00edlt forr\u00e1sk\u00f3d\u00fa megval\u00f3s\u00edt\u00e1sa. <a href=\"https:\/\/prohoster.info\/hu\/server\/\">a szerver<\/a> F\u0151bb v\u00e1ltoz\u00e1sok:<\/p>\n<ul>\n<li class=\"l\">Jav\u00edtott\u00e1k a sebezhet\u0151s\u00e9get, amely lehet\u0151v\u00e9 tette a t\u00e1mad\u00f3 sz\u00e1m\u00e1ra, hogy a felhaszn\u00e1l\u00f3n\u00e9v \u00e1tkonfigur\u00e1l\u00e1s\u00e1val, amely az ssh eszk\u00f6z elind\u00edt\u00e1sakor ker\u00fcl tov\u00e1bb\u00edt\u00e1sra, potenci\u00e1lisan tetsz\u0151leges shell-parancsokat futtasson. A sebezhet\u0151s\u00e9g azokban a rendszerekben jelentkezik, amelyek a &#171;%u&#187; helyettes\u00edt\u00e9st haszn\u00e1lj\u00e1k a konfigur\u00e1ci\u00f3s f\u00e1jl n\u00e9h\u00e1ny direkt\u00edv\u00e1j\u00e1ban, mint p\u00e9ld\u00e1ul a &#171;Match exec&#187;. A probl\u00e9ma a speci\u00e1lis karakterek felhaszn\u00e1l\u00f3n\u00e9v ut\u00e1ni ellen\u0151rz\u00e9s\u00e9b\u0151l ered, amely a %-helyettes\u00edt\u00e9sek v\u00e9grehajt\u00e1sa ut\u00e1n t\u00f6rt\u00e9nik az ssh_config konfigur\u00e1ci\u00f3s f\u00e1jlban.<\/li>\n<li class=\"l\">Jav\u00edtott\u00e1k az sshd biztons\u00e1gi probl\u00e9m\u00e1j\u00e1t, amely az authorized_keys principals=&#187;&#187; opci\u00f3 hib\u00e1s \u00f6sszehangol\u00e1s\u00e1b\u00f3l ad\u00f3dott a tan\u00fas\u00edtv\u00e1nyban szerepl\u0151 nevekkel (principal), amikor a nevek tartalmaztak &#171;,&#187; karaktert. A sebezhet\u0151s\u00e9g kiakn\u00e1z\u00e1s\u00e1hoz az authorized_keys principals=&#187;&#187; opci\u00f3ban t\u00f6bb n\u00e9v megad\u00e1sa sz\u00fcks\u00e9ges, \u00e9s a hiteles\u00edt\u00e9si k\u00f6zpontnak t\u00f6bb nevet kell kiadnia, amelyeket vessz\u0151vel v\u00e1lasztanak el (ez \u00e1ltal\u00e1ban nem megengedett). Megv\u00e1ltozott a viselked\u00e9s a \u00fcres n\u00e9vvel rendelkez\u0151 tan\u00fas\u00edtv\u00e1nyokkal kapcsolatban - kor\u00e1bban az \u00fcres n\u00e9v minden authorized_keys principals=&#187;&#187; opci\u00f3 al\u00e1 tartozott, most m\u00e1r nem tartozik.<\/li>\n<li class=\"l\">Az scp-ben jav\u00edtottak egy probl\u00e9m\u00e1t, amely miatt root jogosults\u00e1g\u00fa f\u00e1jl felt\u00f6lt\u00e9sekor az &#171;-O&#187; opci\u00f3 haszn\u00e1lat\u00e1val \u00e9s &#171;-p&#187; opci\u00f3 n\u00e9lk\u00fcl nem t\u00f6rl\u0151dtek a setuid\/setgid z\u00e1szl\u00f3k.<\/li>\n<li class=\"l\">Az sshd-ben jav\u00edtott\u00e1k az ECDSA kulcsok kezel\u00e9si probl\u00e9m\u00e1j\u00e1t a PubkeyAcceptedAlgorithms \u00e9s a HostbasedAcceptedAlgorithms direkt\u00edv\u00e1kban, amely miatt, ha b\u00e1rmely ECDSA algoritmus (p\u00e9ld\u00e1ul &#171;ecdsa-sha2-nistp384&#187;) meg volt hat\u00e1rozva, akkor minden m\u00e1s ECDSA alap\u00fa algoritmust is elfogadtak, m\u00e9g akkor is, ha azok kifejezetten nem szerepeltek a megengedett list\u00e1n.<\/li>\n<li class=\"l\">Az ssh \u00e9s sshd SSH \u00fcgyn\u00f6k\u00f6kkel val\u00f3 egy\u00fcttm\u0171k\u00f6d\u00e9s\u00e9ben hozz\u00e1adt\u00e1k az IANA \u00e1ltal a draft-ietf-sshm-ssh-agent specifik\u00e1ci\u00f3ban meghat\u00e1rozott azonos\u00edt\u00f3k (codepoint) t\u00e1mogat\u00e1s\u00e1t. A kor\u00e1bban haszn\u00e1lt &#171;@openssh.com&#187; t\u00edpus\u00fa azonos\u00edt\u00f3k t\u00e1mogat\u00e1sa megmaradt.<\/li>\n<li class=\"l\">Az ssh-agentben megval\u00f3s\u00edtott\u00e1k a &#171;query&#187; kiterjeszt\u00e9st, amely a draft-ietf-sshm-ssh-agent specifik\u00e1ci\u00f3ban van meghat\u00e1rozva, \u00e9s lehet\u0151v\u00e9 teszi a t\u00e1mogatott \u00fcgyn\u00f6ki funkci\u00f3k meghat\u00e1roz\u00e1s\u00e1t. A t\u00e1mogatott kiterjeszt\u00e9sek list\u00e1j\u00e1nak lek\u00e9rdez\u00e9s\u00e9hez a &#171;query&#187; k\u00e9r\u00e9sen kereszt\u00fcl az ssh-add eszk\u00f6zbe hozz\u00e1adt\u00e1k a &#171;-Q&#187; opci\u00f3t.<\/li>\n<li class=\"l\">Az sshd_config-ben t\u00f6bb f\u00e1jl megad\u00e1sa enged\u00e9lyezett a RevokedKeys direkt\u00edv\u00e1ban, m\u00edg az ssh_config-ot a RevokedHostKeys direkt\u00edv\u00e1ban.<\/li>\n<li class=\"l\">Az ssh-hoz hozz\u00e1adva lett az escape parancs &#171;~I&#187; \u00e9s az &#171;-O conninfo&#187; lehet\u0151s\u00e9g a jelenlegi kapcsolat inform\u00e1ci\u00f3inak megjelen\u00edt\u00e9s\u00e9hez, valamint az &#171;-O channels&#187; lehet\u0151s\u00e9g a megnyitott csatorn\u00e1kkal kapcsolatos inform\u00e1ci\u00f3k megjelen\u00edt\u00e9s\u00e9hez.<\/li>\n<li class=\"l\">Az sshd-ben a PerSourcePenalties direkt\u00edv\u00e1ban megval\u00f3s\u00edtva lett az &#8216;invaliduser&#8217; opci\u00f3, amely k\u00e9sleltet\u00e9st ad hozz\u00e1, ha nem l\u00e9tez\u0151 felhaszn\u00e1l\u00f3val pr\u00f3b\u00e1lnak bejelentkezni (alap\u00e9rtelmez\u00e9s szerint 5 m\u00e1sodperc). Lehet\u0151s\u00e9g ny\u00edlik nem eg\u00e9sz sz\u00e1m\u00fa k\u00e9sleltet\u00e9si \u00e9rt\u00e9kek megad\u00e1s\u00e1ra is.<\/li>\n<li class=\"l\">Az sshd-hez hozz\u00e1adva lett a GSSAPIDelegateCredentials opci\u00f3 a klienst\u0151l biztos\u00edtott deleg\u00e1lt hiteles\u00edt\u0151 adatok kezel\u00e9s\u00e9re.<\/li>\n<li class=\"l\">Az ssh-keygen-hez hozz\u00e1adva lett az ED25519 kulcsok PKCS8 form\u00e1tumban t\u00f6rt\u00e9n\u0151 ment\u00e9s\u00e9nek t\u00e1mogat\u00e1sa.<\/li>\n<li class=\"l\">Hozz\u00e1adva lett az ed25519 digit\u00e1lis al\u00e1\u00edr\u00e1si s\u00e9ma t\u00e1mogat\u00e1sa, amely a libcrypto-n kereszt\u00fcl val\u00f3sult meg.<\/li>\n<\/ul>\n<p>Forr\u00e1s: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65126\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a OpenSSH 10.3, \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. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0423\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0435\u043c\u0443, \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u044e\u0449\u0435\u043c\u0443 \u0438\u043c\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u043e\u0435 \u043f\u0440\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u0443\u0442\u0438\u043b\u0438\u0442\u044b ssh, \u043f\u043e\u0442\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u043e \u0434\u043e\u0431\u0438\u0442\u044c\u0441\u044f \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 shell-\u043a\u043e\u043c\u0430\u043d\u0434. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 &#171;%u&#187; \u0432 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u0430\u0445 \u0444\u0430\u0439\u043b\u0430 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a &#171;Match exec&#187;. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-167221","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 \u043f\u043e\u043b\u0443\u0433\u043e\u0434\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a OpenSSH 10.3, \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 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\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.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/reliz-openssh-10-3","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":"2026-04-02T21:11:54+00:00","article:modified_time":"2026-04-04T09:22:40+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\/hu\/wp-json\/wp\/v2\/posts\/167221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=167221"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/167221\/revisions"}],"predecessor-version":[{"id":167487,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/167221\/revisions\/167487"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=167221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=167221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=167221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}