{"id":101560,"date":"2021-10-07T10:23:00","date_gmt":"2021-10-07T08:23:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-bottlerocket-1-3-distributiva-na-baze-izolirovannyh-kontejnerov"},"modified":"2021-10-07T10:23:00","modified_gmt":"2021-10-07T08:23:00","slug":"vypusk-bottlerocket-1-3-distributiva-na-baze-izolirovannyh-kontejnerov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/vypusk-bottlerocket-1-3-distributiva-na-baze-izolirovannyh-kontejnerov","title":{"rendered":"Uscita di Bottlerocket 1.3, una distribuzione basata su contenitori isolati","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stata pubblicata la versione 1.3.0 del distribuitore Linux Bottlerocket, sviluppato con la partecipazione di Amazon per l'avvio efficace e sicuro di contenitori isolati. Gli strumenti e i componenti di gestione del distribuitore sono scritti in Rust e distribuiti sotto le licenze MIT e Apache 2.0. Bottlerocket supporta l'avvio in cluster Amazon ECS, VMware e AWS EKS Kubernetes, oltre alla creazione di build e edizioni personalizzate che consentono l'uso di diversi strumenti di orchestrazione e runtime per contenitori.      <\/p>\n<p>La distribuzione fornisce un'immagine di sistema atomica e automaticamente aggiornabile, che include il kernel Linux e un ambiente di sistema minimo, comprensivo solo dei componenti necessari per l'esecuzione dei container. Nell'ambiente sono coinvolti il gestore di sistema systemd, la libreria Glibc, l'ambiente di build Buildroot, il bootloader GRUB, il configuratore di rete wicked, il runtime per container isolati containerd, la piattaforma di orchestrazione dei container Kubernetes, l'autenticatore aws-iam-authenticator e l'agente Amazon ECS.     <\/p>\n<p>Gli strumenti per l'orchestrazione dei container sono forniti in un container di gestione separato, attivato di default e gestito tramite API e AWS SSM Agent. Nell'immagine di base non \u00e8 presente una shell. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\">server<\/a> SSH e linguaggi interpretati (ad esempio, non ci sono Python o Perl) \u2014 strumenti per l'amministratore e strumenti di debug sono spostati in un contenitore di servizio separato, che \u00e8 disabilitato per impostazione predefinita.       <\/p>\n<p>La principale differenza rispetto a distribuzioni simili, come Fedora CoreOS e CentOS\/Red Hat Atomic Host, \u00e8 l'orientamento primario a fornire la massima sicurezza nel contesto del rafforzamento della protezione del sistema contro le potenziali minacce, complicando l'esploitazione delle vulnerabilit\u00e0 nei componenti del sistema operativo e aumentando l'isolamento dei contenitori. I contenitori vengono creati utilizzando i meccanismi standard del kernel Linux \u2014 cgroups, spazi dei nomi e seccomp. Per un'ulteriore isolamento, nel distribuitore viene utilizzato SELinux in modalit\u00e0 'enforcing'.    <\/p>\n<p>La partizione principale viene montata in modalit\u00e0 di sola lettura e la partizione con le impostazioni \/etc viene montata in tmpfs e ripristina lo stato originale dopo il riavvio. La modifica diretta dei file nella cartella \/etc, come \/etc\/resolv.conf e \/etc\/containerd\/config.toml, non \u00e8 supportata \u2014 per la conservazione permanente delle impostazioni \u00e8 necessario utilizzare l'API o estrarre la funzionalit\u00e0 in contenitori separati. Per la verifica crittografica dell'integrit\u00e0 della partizione principale viene utilizzato il modulo dm-verity, e in caso di rilevamento di tentativi di modifica dei dati a livello del dispositivo a blocchi, il sistema si riavvia.       <\/p>\n<p>La maggior parte dei componenti di sistema \u00e8 scritta in Rust, un linguaggio che offre strumenti per una gestione sicura della memoria, evitando vulnerabilit\u00e0 causate da accessi alla memoria dopo la sua liberazione, dereferenziazione di puntatori nulli e fuoriuscite dai limiti del buffer. Durante la compilazione predefinita, vengono applicate le modalit\u00e0 di compilazione &#171;&#8212;enable-default-pie&#187; e &#171;&#8212;enable-default-ssp&#187; per abilitare la randomizzazione dello spazio degli indirizzi dei file eseguibili (PIE) e la protezione contro il ripieno dello stack tramite la sostituzione di marcatori canarie. Per i pacchetti scritti in C\/C++, vengono inoltre abilitati i flag &#171;-Wall&#187;, &#171;-Werror=format-security&#187;, &#171;-Wp,-D_FORTIFY_SOURCE=2&#187;, &#171;-Wp,-D_GLIBCXX_ASSERTIONS&#187; e &#171;-fstack-clash-protection&#187;.    <\/p>\n<p>Nel nuovo rilascio:  <\/p>\n<ul>\n<li class=\"l\"> Risolte vulnerabilit\u00e0 nel toolkit docker e nel runtime containerd (CVE-2021-41089, CVE-2021-41091, CVE-2021-41092, CVE-2021-41103) legate a una scorrettezza nell'impostazione dei permessi, consentendo agli utenti non privilegiati di uscire dalla directory di base ed eseguire programmi esterni.\n<li class=\"l\"> Aggiunta in kubelet e pluto <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/lir\/ipv4\/\"   title=\"supporto IPv6\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"388\">supporto IPv6<\/a>.\n<li class=\"l\"> \u00c8 stata fornita la possibilit\u00e0 di riavviare il container dopo la modifica delle sue impostazioni.\n<li class=\"l\"> Aggiunta nel pacchetto eni-max-pods il supporto per le istanze Amazon EC2 M6i.\n<li class=\"l\"> In open-vm-tools \u00e8 stato aggiunto il supporto per i filtri dei dispositivi, implementato sulla base del toolkit Cilium.\n<li class=\"l\"> Per la piattaforma x86_64 \u00e8 stata implementata una modalit\u00e0 ibrida di avvio (con supporto EFI e BIOS).\n<li class=\"l\"> Aggiornate le versioni dei pacchetti e le dipendenze per il linguaggio Rust.\n<li class=\"l\"> Sospesa la supporto per la variante del pacchetto aws-k8s-1.17 basato su Kubernetes 1.17. \u00c8 consigliato utilizzare la variante aws-k8s-1.21 con supporto per Kubernetes 1.21. Nelle varianti k8s sono state utilizzate le impostazioni cgroup runtime.slice e system.slice.  <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55934\">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 \u0432\u044b\u043f\u0443\u0441\u043a Linux-\u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Bottlerocket 1.3.0, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Amazon \u0434\u043b\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0438 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0433\u043e \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u043e\u0432. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u044b \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u044f\u043c\u0438 MIT \u0438 Apache 2.0. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043f\u0443\u0441\u043a Bottlerocket \u0432 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u0430\u0445 Amazon ECS, VMware \u0438 AWS EKS Kubernetes, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u043b\u044c\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043e\u043a \u0438 \u0440\u0435\u0434\u0430\u043a\u0446\u0438\u0439, \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u044e\u0449\u0438\u0445 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435 [&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-101560","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a 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