{"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\/pl\/blog\/news\/reliz-openssh-10-3","title":{"rendered":"Wydanie OpenSSH 10.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po sze\u015bciu miesi\u0105cach prac udost\u0119pniono wersj\u0119 OpenSSH 10.3, otwartej realizacji klienta oraz <a href=\"https:\/\/prohoster.info\/pl\/server\/\">serwera<\/a> do pracy z protoko\u0142ami SSH 2.0 i SFTP. G\u0142\u00f3wne zmiany:<\/p>\n<ul>\n<li class=\"l\">Usuni\u0119to luk\u0119, kt\u00f3ra pozwala\u0142a atakuj\u0105cemu, kontroluj\u0105cemu nazw\u0119 u\u017cytkownika przekazywan\u0105 podczas uruchamiania narz\u0119dzia ssh, potencjalnie na wykonanie dowolnych polece\u0144 shell. Luka wyst\u0119puje w systemach wykorzystuj\u0105cych substytucj\u0119 \"%u\" w niekt\u00f3rych dyrektywach pliku konfiguracyjnego, takich jak \"Match exec\". Problem spowodowany jest sprawdzeniem znak\u00f3w specjalnych w nazwie u\u017cytkownika na etapie po wykonaniu %-substytucji w pliku konfiguracyjnym ssh_config.<\/li>\n<li class=\"l\">Usuni\u0119to problem z bezpiecze\u0144stwem w sshd, wywo\u0142any niew\u0142a\u015bciwym dopasowaniem opcji authorized_keys principals=&gt;&gt; z list\u0105 imion (principal) w certyfikacie w sytuacji, gdy w imionach u\u017cyto znaku \",\". Aby wykorzysta\u0107 luk\u0119, konieczne by\u0142o, aby w opcji authorized_keys principals=&gt;&gt; znajdowa\u0142o si\u0119 kilka imion i aby certyfikacja zosta\u0142a wydana przez urz\u0105d z wieloma imionami oddzielonymi przecinkiem (co zazwyczaj nie jest dozwolone). Zmieniono zachowanie wzgl\u0119dem certyfikat\u00f3w z pustym imieniem \u2014 wcze\u015bniej puste imi\u0119 podlega\u0142o wszystkim opcjom authorized_keys principals=&gt;&gt;, a teraz ju\u017c nie.<\/li>\n<li class=\"l\">W scp usuni\u0119to problem, w wyniku kt\u00f3rego po przes\u0142aniu pliku z uprawnieniami roota z opcj\u0105 \"-O\" i bez opcji \"-p\" nie by\u0142y czyszczone flagi setuid\/setgid.<\/li>\n<li class=\"l\">W sshd naprawiono problem z przetwarzaniem kluczy ECDSA w dyrektywach PubkeyAcceptedAlgorithms i HostbasedAcceptedAlgorithms, kt\u00f3ry powodowa\u0142, \u017ce w przypadku wskazania jakiegokolwiek algorytmu ECDSA (na przyk\u0142ad \"ecdsa-sha2-nistp384\") akceptowane by\u0142y r\u00f3wnie\u017c wszystkie inne algorytmy oparte na ECDSA, nawet je\u015bli nie by\u0142y one wyra\u017anie wymienione na li\u015bcie dozwolonych.<\/li>\n<li class=\"l\">W ssh i sshd podczas interakcji z agentami SSH dodano wsparcie dla identyfikator\u00f3w (codepoint) okre\u015blonych przez IANA w specyfikacji draft-ietf-sshm-ssh-agent. Zachowano wsparcie dla wcze\u015bniej u\u017cywanych identyfikator\u00f3w w formie \"@openssh.com\".<\/li>\n<li class=\"l\">W ssh-agent wprowadzono rozszerzenie \"query\", okre\u015blone w specyfikacji draft-ietf-sshm-ssh-agent, kt\u00f3re pozwala okre\u015bli\u0107 obs\u0142ugiwane funkcje przez agenta. Aby zapyta\u0107 o list\u0119 obs\u0142ugiwanych rozszerze\u0144 protoko\u0142u poprzez zapytanie \"query\" do narz\u0119dzia ssh-add dodano opcj\u0119 \"-Q\".<\/li>\n<li class=\"l\">W sshd_config zezwolono na wskazanie wielu plik\u00f3w w dyrektywie RevokedKeys, a w ssh_config \u2014 w dyrektywie RevokedHostKeys.<\/li>\n<li class=\"l\">W ssh dodano polecenie escape &#171;~I&#187; oraz opcja &#171;-O conninfo&#187; do wy\u015bwietlania informacji o bie\u017c\u0105cym po\u0142\u0105czeniu, a tak\u017ce opcja &#171;-O channels&#187; do pokazywania informacji o otwartych kana\u0142ach.<\/li>\n<li class=\"l\">W sshd w dyrektywie PerSourcePenalties wprowadzono opcj\u0119 &#8216;invaliduser&#8217; do dodawania op\u00f3\u017anienia w przypadku pr\u00f3b logowania si\u0119 nieistniej\u0105cym u\u017cytkownikiem (domy\u015blnie 5 sekund). Dodano mo\u017cliwo\u015b\u0107 wskazania warto\u015bci op\u00f3\u017anienia nieb\u0119d\u0105cych liczbami ca\u0142kowitymi.<\/li>\n<li class=\"l\">W sshd dodano opcj\u0119 GSSAPIDelegateCredentials do zarz\u0105dzania odbiorem delegowanych po\u015bwiadcze\u0144 dostarczonych przez klienta.<\/li>\n<li class=\"l\">W ssh-keygen dodano obs\u0142ug\u0119 zapisu kluczy ED25519 w formacie PKCS8.<\/li>\n<li class=\"l\">Dodano wsparcie dla schematu podpis\u00f3w cyfrowych ed25519, zaimplementowanego przez libcrypto.<\/li>\n<\/ul>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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SFTP.","og:url":"https:\/\/prohoster.info\/pl\/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\/pl\/wp-json\/wp\/v2\/posts\/167221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/comments?post=167221"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts\/167221\/revisions"}],"predecessor-version":[{"id":167487,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/posts\/167221\/revisions\/167487"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/media?parent=167221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/categories?post=167221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/pl\/wp-json\/wp\/v2\/tags?post=167221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}