{"id":112310,"date":"2023-12-19T03:10:31","date_gmt":"2023-12-19T01:10:31","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-openssh-9-6-c-ustraneniem-uyazvimostej"},"modified":"2023-12-19T03:10:31","modified_gmt":"2023-12-19T01:10:31","slug":"reliz-openssh-9-6-c-ustraneniem-uyazvimostej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/reliz-openssh-9-6-c-ustraneniem-uyazvimostej","title":{"rendered":"Rilascio di OpenSSH 9.6 con correzioni di vulnerabilit\u00e0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata pubblicata la versione OpenSSH 9.6, una realizzazione open source di client e server per il lavoro con i protocolli SSH 2.0 e SFTP. Nella nuova versione sono state corrette tre vulnerabilit\u00e0 di sicurezza:     <\/p>\n<ul>\n<li class=\"l\"> \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0435 SSH (CVE-2023-48795, \u0430\u0442\u0430\u043a\u0430 &#171;Terrapin&#187;), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432 \u0445\u043e\u0434\u0435 MITM-\u0430\u0442\u0430\u043a\u0438 \u043e\u0442\u043a\u0430\u0442\u0438\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u0435\u043d\u0435\u0435 \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438 \u043e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u0430\u0442\u0430\u043a \u043f\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u043c \u043a\u0430\u043d\u0430\u043b\u0430\u043c, \u0432\u043e\u0441\u0441\u043e\u0437\u0434\u0430\u044e\u0449\u0438\u043c \u0432\u0432\u043e\u0434 \u0447\u0435\u0440\u0435\u0437 \u0430\u043d\u0430\u043b\u0438\u0437 \u0437\u0430\u0434\u0435\u0440\u0436\u0435\u043a \u043c\u0435\u0436\u0434\u0443 \u043d\u0430\u0436\u0430\u0442\u0438\u044f\u043c\u0438 \u043a\u043b\u0430\u0432\u0438\u0448 \u043d\u0430 \u043a\u043b\u0430\u0432\u0438\u0430\u0442\u0443\u0440\u0435. \u041c\u0435\u0442\u043e\u0434 \u0430\u0442\u0430\u043a\u0438 \u0438\u0437\u043b\u043e\u0436\u0435\u043d \u0432 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0439 \u043d\u043e\u0432\u043e\u0441\u0442\u0438.\n<li class=\"l\"> \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u0443\u0442\u0438\u043b\u0438\u0442\u0435 ssh, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0438\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0443 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 shell-\u043a\u043e\u043c\u0430\u043d\u0434 \u0447\u0435\u0440\u0435\u0437 \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u044f\u0446\u0438\u044e \u0441\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c\u0438 \u043b\u043e\u0433\u0438\u043d\u0430 \u0438 \u0445\u043e\u0441\u0442\u0430, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u043c\u0438 \u0441\u043f\u0435\u0446\u0441\u0438\u043c\u0432\u043e\u043b\u044b. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0430, \u0435\u0441\u043b\u0438 \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f  \u043b\u043e\u0433\u0438\u043d\u0430 \u0438 \u0438\u043c\u0435\u043d\u0438 \u0445\u043e\u0441\u0442\u0430, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432 ssh, \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u044b ProxyCommand \u0438 LocalCommand \u0438\u043b\u0438  \u0431\u043b\u043e\u043a\u0438 &#171;match exec&#187;, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0443\u043a\u0430\u0437\u0430\u043d\u044b \u0441\u0438\u043c\u0432\u043e\u043b\u044b \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438, \u0442\u0430\u043a\u0438\u0435 \u043a\u0430\u043a %u \u0438 %h. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043d\u0435\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u044b\u0435 \u043b\u043e\u0433\u0438\u043d \u0438 \u0445\u043e\u0441\u0442 \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u043f\u043e\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0445 \u0441\u0443\u0431\u043c\u043e\u0434\u0443\u043b\u0438 \u0432 Git, \u0442\u0430\u043a \u043a\u0430\u043a Git \u043d\u0435 \u0437\u0430\u043f\u0440\u0435\u0449\u0430\u0435\u0442 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435 \u0441\u043f\u0435\u0446\u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0432 \u0438\u043c\u0435\u043d\u0438 \u0445\u043e\u0441\u0442\u0430 \u0438  \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041f\u043e\u0445\u043e\u0436\u0430\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0432  libssh.\n<li class=\"l\"> Errore in ssh-agent, per cui, durante l'aggiunta di chiavi private PKCS#11, le restrizioni si applicavano solo alla prima chiave restituita dal token PKCS#11. Il problema non riguarda le normali chiavi private, i token FIDO e le chiavi definite senza restrizioni.  <\/ul>\n<p>Altre modifiche:   <\/p>\n<ul>\n<li class=\"l\"> \u0412 ssh \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 &#171;%j&#187;, \u0440\u0430\u0441\u043a\u0440\u044b\u0432\u0430\u0435\u043c\u0430\u044f \u0432 \u0438\u043c\u044f \u0445\u043e\u0441\u0442\u0430, \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0435 \u0447\u0435\u0440\u0435\u0437 \u0434\u0438\u0440\u0435\u043a\u0442\u0438\u0432\u0443 ProxyJump.\n<li class=\"l\"> In ssh \u00e8 stata aggiunta la supporto per la configurazione di ChannelTimeout lato client, che pu\u00f2 essere utilizzato per terminare i canali inattivi.\n<li class=\"l\"> In ssh, sshd, ssh-add e ssh-keygen \u00e8 stata aggiunta la supporto per la lettura di chiavi private ED25519 nel formato PEM PKCS8 (in precedenza era supportato solo il formato OpenSSH).\n<li class=\"l\"> \u0412 ssh \u0438 sshd \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0434\u043b\u044f \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e\u0433\u043e \u0441\u043e\u0433\u043b\u0430\u0441\u043e\u0432\u0430\u043d\u0438\u044f \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432 \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u043f\u0438\u0441\u0438 \u0434\u043b\u044f \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e \u043e\u0442\u043a\u0440\u044b\u0442\u044b\u043c \u043a\u043b\u044e\u0447\u0430\u043c, \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u043c\u043e\u0433\u043e \u043d\u0430 \u0441\u0442\u0430\u0434\u0438\u0438 \u043f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u043e\u0431 \u0438\u043c\u0435\u043d\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0431\u043e\u0440\u043e\u0447\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0434\u0440\u0443\u0433\u0438\u0435 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u044b \u0432 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0435 \u043a \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\u043c \u0447\u0435\u0440\u0435\u0437 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u0435 PubkeyAcceptedAlgorithms \u0432 \u0431\u043b\u043e\u043a\u0435 &#171;Match user&#187;.\n<li class=\"l\"> In ssh-add e ssh-agent \u00e8 stata aggiunta un'estensione del protocollo per specificare certificati durante il caricamento delle chiavi PKCS#11, consentendo di utilizzare certificati associati a chiavi private PKCS#11 in tutte le utilit\u00e0 OpenSSH che supportano ssh-agent, e non solo in ssh.\n<li class=\"l\"> \u0423\u043b\u0443\u0447\u0448\u0435\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043d\u0435\u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u0438\u043b\u0438 \u043d\u0435\u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u0444\u043b\u0430\u0433\u043e\u0432 \u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0442\u043e\u0440\u0430, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a &#171;-fzero-call-used-regs&#187; \u0432  clang.\n<li class=\"l\"> Per limitare i privilegi del processo sshd nelle versioni di OpenSolaris che supportano l'interfaccia getpflags(), \u00e8 stato utilizzato il modo PRIV_XPOLICY anzich\u00e9 PRIV_LIMIT.      <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=60305\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 9.6, \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 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u044b \u0442\u0440\u0438 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e: \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0432 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0435 SSH (CVE-2023-48795, \u0430\u0442\u0430\u043a\u0430 &#171;Terrapin&#187;), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u0432 \u0445\u043e\u0434\u0435 MITM-\u0430\u0442\u0430\u043a\u0438 \u043e\u0442\u043a\u0430\u0442\u0438\u0442\u044c \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043c\u0435\u043d\u0435\u0435 \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u043e\u0432 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438 \u043e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0437\u0430\u0449\u0438\u0442\u0443 \u043e\u0442 \u0430\u0442\u0430\u043a \u043f\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u043c \u043a\u0430\u043d\u0430\u043b\u0430\u043c, \u0432\u043e\u0441\u0441\u043e\u0437\u0434\u0430\u044e\u0449\u0438\u043c \u0432\u0432\u043e\u0434 \u0447\u0435\u0440\u0435\u0437 [&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-112310","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 OpenSSH 9.6, \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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