{"id":16849,"date":"2017-04-27T12:30:23","date_gmt":"2017-04-27T03:30:23","guid":{"rendered":"https:\/\/www.creationline.com\/?p=16849"},"modified":"2017-04-27T12:21:09","modified_gmt":"2017-04-27T03:21:09","slug":"%e3%80%90%e5%92%8c%e8%a8%b3%e3%80%91%e4%b8%80%e8%88%ac%e6%a8%a9%e9%99%90%e4%b8%8b%e3%81%a7%e3%82%b3%e3%83%b3%e3%83%86%e3%83%8a%e3%82%92%e3%83%93%e3%83%ab%e3%83%89%e3%81%99%e3%82%8b%e3%81%9f%e3%82%81","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/docker\/16849","title":{"rendered":"\u3010\u548c\u8a33\u3011\u4e00\u822c\u6a29\u9650\u4e0b\u3067\u30b3\u30f3\u30c6\u30ca\u3092\u30d3\u30eb\u30c9\u3059\u308b\u305f\u3081\u306e\u958b\u767a\u3000#docker"},"content":{"rendered":"<p>\u672c\u7a3f\u306f\u3001<a href=\"https:\/\/thenewstack.io\/quest-build-unprivileged-container\/\">The Quest to Build an Unprivileged Container(2016\/7\/20)<\/a>\u306e\u548c\u8a33\u3067\u3059\u3002<\/p>\n<h1>\u4e00\u822c\u6a29\u9650\u4e0b\u3067\u30b3\u30f3\u30c6\u30ca\u3092\u30d3\u30eb\u30c9\u3059\u308b\u305f\u3081\u306e\u958b\u767a<\/h1>\n<p>20 Jul 2016 12:28pm, by  Joab Jackson<br \/>\n<img loading=\"lazy\" decoding=\"async\" src=\"\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2017\/04\/BoxTruckGuardian.jpg\" alt=\"\" width=\"640\" height=\"419\" class=\"alignnone size-full wp-image-16850\" srcset=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2017\/04\/BoxTruckGuardian.jpg 640w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2017\/04\/BoxTruckGuardian-360x236.jpg 360w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>Docker\u306e\u5c02\u9580\u5bb6\u3092<a href=\"https:\/\/security.stackexchange.com\/questions\/102323\/risks-posed-by-docker-daemon-running-as-root\">\u56f0\u3089\u305b\u3066\u3044\u305f<\/a>\u8ab2\u984c\u306e\u4e00\u3064\u306f\u3001\u5185\u90e8\u306e\u30d7\u30ed\u30bb\u30b9\u306e\u6a29\u9650\u306b\u95a2\u308f\u3089\u305a\u3001Docker\u30b3\u30f3\u30c6\u30ca\u81ea\u4f53\u304croot\u6a29\u9650\u3067\u7a3c\u50cd\u3057\u3066\u3044\u308b\u3001\u3068\u3044\u3046\u70b9\u3002<\/p>\n<p>Docker\u30e1\u30f3\u30c6\u30ca\u30fc\u306e\u4e00\u4eba\u3001<a href=\"https:\/\/twitter.com\/jessfraz\">Jessie Frazelle<\/a>\uff08\u5143Docker, \u73feGoogle\uff09\u306f\u3001Docker\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u6709\u8b58\u8005\uff08\u7279\u306b<a href=\"https:\/\/www.gnome.org\/\">Gnome<\/a>\u95a2\u4fc2\uff09\u3068\u5171\u306b\u3053\u306e\u8ab2\u984c\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u308b\u4eba\u9593\u306e\u4e00\u4eba\u3002<\/p>\n<p>\u53b3\u5bc6\u306b\u8a00\u3046\u3068\u3001Docker\u306fLinux\u30ab\u30fc\u30cd\u30eb\u306eroot\u30b3\u30de\u30f3\u30c9\u3092\u4e38\u3005\u4f7f\u3048\u308b\u74b0\u5883\u3092\u6b8b\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001<a href=\"https:\/\/docs.docker.com\/engine\/security\/security\/#docker-daemon-attack-surface\">\u534a\u5206\u4ee5\u4e0a\u306e\u30b3\u30de\u30f3\u30c9\u306f\u843d\u3068\u3057\u3066\u3044\u308b<\/a>\u306e\u304c\u73fe\u72b6\u3002\u3055\u3089\u306b\u3001Docker\u306f\u5371\u967a\u5ea6\u306e\u9ad8\u3044\u30b7\u30b9\u30c6\u30e0\u30b3\u30fc\u30eb\u306a\u3069\u3082\u30d6\u30ed\u30c3\u30af\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u305d\u308c\u3067\u3082\u3001Docker\u306e<strong>run\u30b3\u30de\u30f3\u30c9<\/strong>\u3092\u5b9f\u884c\u3059\u308b\u305f\u3073\u306b \u30e6\u30fc\u30b6\u306b\u5bfe\u3057\u3066\u7ba1\u7406\u8005\u6a29\u9650\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306e<a href=\"https:\/\/askubuntu.com\/questions\/477551\/how-can-i-use-docker-without-sudo\"><strong>sudo \u30b3\u30de\u30f3\u30c9<\/strong><\/a>\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u3053\u308c\u3092\u9010\u4e00\u884c\u3046\u4ee3\u308f\u308a\u306b\u3001\u7ba1\u7406\u8005\u81ea\u8eab\u306f\u5404\u30e6\u30fc\u30b6\u3092Docker\u30e6\u30fc\u30b6\u30b0\u30eb\u30fc\u30d7\u306b\u52a0\u3048\u308b\u65b9\u6cd5\u3082\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u7d50\u679c\u7684\u306b\u305d\u308c\u304c<a href=\"http:\/\/www.projectatomic.io\/blog\/2015\/08\/why-we-dont-let-non-root-users-run-docker-in-centos-fedora-or-rhel\/\">\u5f53\u8a72\u30e6\u30fc\u30b6\u306broot\u6a29\u9650\u3092\u4e0e\u3048\u308b\u7d50\u679c\u306b\u306a\u308a<\/a>\u3001<a href=\"https:\/\/fosterelli.co\/privilege-escalation-via-docker.html\">\u30b7\u30b9\u30c6\u30e0\u81ea\u4f53\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u4e0b\u3052\u308b<\/a>\u7d50\u679c\u306b\u306a\u308b\u3002<\/p>\n<p>Frazelle\u6c0f\u306f\u3001\u2019unprivileged container\u2019 \u3068\u547c\u3070\u308c\u308b\u6a5f\u80fd\u3092\u958b\u767a\u4e2d\u3067\u3001<strong>sudo\u30b3\u30de\u30f3\u30c9<\/strong>\u306e\u5fc5\u8981\u6027\u3092\u53d6\u308a\u9664\u304f\u4ee3\u308f\u308a\u306b\u3082\u3046\u5c11\u3057\u304d\u3081\u7d30\u304b\u3044\u5236\u5fa1\u3092\u63d0\u4f9b\u5185\u5bb9\u306e\u30a8\u30f3\u30cf\u30f3\u30b9\u3092<a href=\"https:\/\/thenewstack.io\/tag\/qcon-new-york-2016\/\">QCON New York<\/a>\u3067\u767a\u8868\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u3053\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u554f\u984c\u4ee5\u4e0a\u306b\u3001unprivileged container \u306f\u30de\u30eb\u30c1\u30c6\u30ca\u30f3\u30c8\u74b0\u5883\u3067\u5f79\u7acb\u3064\u3001\u3068\u671f\u5f85\u3057\u3066\u304a\u308a\u3001root\u6a29\u9650\u3067\u30a2\u30d7\u30ea\u7a3c\u50cd\u3067\u304d\u306a\u3044\u4e8b\u60c5\u306e\u3042\u308b\u958b\u767a\u8005\u3092\u652f\u63f4\u3059\u308b\u6a5f\u80fd\u3068\u3057\u3066\u671f\u5f85\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3067\u3082\u30b3\u30f3\u30c6\u30ca\u306f\u30b5\u30fc\u30d0\u4e0a\u3067\u30cd\u30a4\u30c6\u30a3\u30d6\u306a\u30a2\u30d7\u30ea\u3088\u308a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u9ad8\u3044\u3001\u3068Frazelle\u6c0f\u306f\u8ff0\u3079\u3066\u3044\u308b\u3002\u5f7c\u5973\u306f\u81ea\u5206\u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u4e0a\u306e\u30a2\u30d7\u30ea\u3092\u3059\u3079\u3066\u30b3\u30f3\u30c6\u30ca\u5316\u3057\u3066\u7a3c\u50cd\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u305d\u3082\u305d\u3082Docker\u304c\u30b3\u30f3\u30c6\u30ca\u3092root\u3067\u904b\u7528\u3059\u308b\u80cc\u666f\u304c\u3042\u308a\u3001Docker\u793e\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a8\u30f3\u30b8\u30cb\u30a2\u306e<a href=\"https:\/\/github.com\/endophage\">David Lawrence<\/a>\u6c0f\u306e<a href=\"https:\/\/thenewstack.io\/tag\/Dockercon-2016\">Dockercon 2016<\/a>\u3067\u306e\u30a4\u30f3\u30bf\u30d3\u30e5\u30fc\u306b\u3088\u308b\u3068\u3001Docker\u30b3\u30f3\u30c6\u30ca\u306froot\u6a29\u9650\u3092\u5fc5\u8981\u3068\u3059\u308b\u6a5f\u80fd\u304c\u591a\u304f\u3001\u7279\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30a2\u30d7\u30ea\u306b\u91cd\u8981\u306a\u8981\u4ef6\u306b\u306a\u308b\u3001\u3068\u8ff0\u3079\u3066\u3044\u308b\u3002<\/p>\n<h2>Chromium\u304c\u30a2\u30a4\u30c7\u30a2\u306e\u6e90<\/h2>\n<p>Unprivileged containers \u306e\u30a2\u30a4\u30c7\u30a2\u306f\u3001Google\u306e\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u3067\u3042\u308b\u3001<a href=\"https:\/\/www.chromium.org\/getting-involved\/download-chromium\">Chromium\u30d6\u30e9\u30a6\u30b6<\/a> \u3001\u3068Frazelle\u6c0f\u306f\u8aac\u660e\u3057\u3066\u3044\u308b\u3002Chromium\u306f\u3001\u5404\u30bf\u30d6\u3092\u5b9f\u884c\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3092<a href=\"https:\/\/lwn.net\/Articles\/531114\/\">namespaces<\/a>\u3068<a href=\"https:\/\/lwn.net\/Articles\/656307\/\">seccomp<\/a>\u3092\u4f7f\u3063\u3066<a href=\"https:\/\/chromium.googlesource.com\/chromium\/src\/+\/master\/docs\/linux_sandboxing.md\">\u5206\u96e2\u3057\u3066\u5236\u9650\u3057\u3066\u3044\u308b<\/a>\u3001\u3068\u306e\u3053\u3068\u3002<\/p>\n<p>\u5b9f\u306f\u3001Docker\u30b3\u30f3\u30c6\u30ca\u3082\u540c\u69d8\u306bLinux\u306eseccomp \u3068 namespaces\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002seccomp\u306f\u30b3\u30fc\u30eb\u3067\u304d\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u7a2e\u985e\u306e\u5236\u9650\u3001namespaces\u306f\u30e6\u30fc\u30b6\uff08\u30b3\u30f3\u30c6\u30ca\uff09\u304c\u53c2\u7167\u3067\u304d\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u5236\u9650\u3002Linux \u30ab\u30fc\u30cd\u30eb (v.3.8)\u306f<a href=\"https:\/\/integratedcode.us\/2015\/10\/13\/user-namespaces-have-arrived-in-docker\/\">\u5404\u30b3\u30f3\u30c6\u30ca\u306b\u72ec\u81ea\u306enamespaces\u3092\u751f\u6210\u3059\u308b<\/a>\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>\u56f0\u96e3\u306a\u306e\u306f\u3001<a href=\"https:\/\/access.redhat.com\/documentation\/en-US\/Red_Hat_Enterprise_Linux\/6\/html\/Resource_Management_Guide\/ch01.html\"><strong>cgroups<\/strong><\/a>\u3068\u547c\u3070\u308c\u308b\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30b0\u30eb\u30fc\u30d7\u3002<a href=\"https:\/\/access.redhat.com\/documentation\/en-US\/Red_Hat_Enterprise_Linux\/6\/html\/Resource_Management_Guide\/ch01.html\"><strong>cgroups<\/strong><\/a>\u306f\u30e6\u30fc\u30b6\u306e\u6d88\u8cbb\u3059\u308bCPU\u30bf\u30a4\u30e0\u3001\u30b7\u30b9\u30c6\u30e0\u30e1\u30e2\u30ea\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5e2f\u57df\u306a\u3069\u306e\u5236\u9650\u3092\u6307\u5b9a\u3067\u304d\u308b\u3002\u3053\u306e\u5236\u9650\u3067\u3001\u4efb\u610f\u306e\u30b3\u30f3\u30c6\u30ca\u304c\u30b7\u30b9\u30c6\u30e0\u306b\u969c\u5bb3\u3092\u8d77\u3053\u3059\u3053\u3068\u3092\u907f\u3051\u308b\u4e8b\u304c\u53ef\u80fd\u3002<\/p>\n<p>\u3057\u304b\u3057\u3001root\u6a29\u9650\u3092\u6301\u305f\u306a\u3044\u30e6\u30fc\u30b6\u304ccgroup\u3092\u751f\u6210\u3059\u308b\u4ed5\u7d44\u307f\u306f\u5225\u306e\u554f\u984c\u3092\u767a\u751f\u3055\u305b\u308b\u3001\u3068<a href=\"https:\/\/blog.jessfraz.com\/post\/getting-towards-real-sandbox-containers\/\">Frazelle\u6c0f\u306f\u8ff0\u3079\u308b<\/a>\u3002\u305d\u306e\u69d8\u306a\u8ab2\u984c\u3092\u6b8b\u3057\u3064\u3064\u3001Frazelle\u6c0f\u306f<a href=\"https:\/\/github.com\/jessfraz\/binctr\"><strong>binctrl<\/strong><\/a>\u3068\u547c\u3070\u308c\u308b\u3001cgroup\u306b\u3088\u308b\u5236\u5fa1\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044 unprivileged container \u306ePOC\u3092\u958b\u767a\u3002\u7d9a\u3044\u3066\u3001SUSE\u793e\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u3001<a href=\"https:\/\/twitter.com\/lordcyphar\">Aleksa Sarai<\/a>\u6c0f\u306f<a href=\"https:\/\/twitter.com\/jessfraz\/status\/755849554759675904\">Linux\u30ab\u30fc\u30cd\u30eb\u5411\u3051\u306e\u30d1\u30c3\u30c1\u3092\u958b\u767a<\/a>\u3001cgroup\u3092\u3088\u308aunprivileged container \u306b\u5bfe\u3057\u3066\u4f7f\u3044\u3084\u3059\u304f\u3057\u3066\u3044\u308b\u3002\u3055\u3089\u306b\u3001runc \u30b3\u30f3\u30c6\u30ca\u30e9\u30f3\u30bf\u30a4\u30e0\u306f<a href=\"https:\/\/groups.google.com\/a\/opencontainers.org\/forum\/#!topic\/dev\/yutVaSLcqWI\">unprivileged container\u306e\u30b5\u30dd\u30fc\u30c8\u6a5f\u80fd\u3092\u958b\u767a<\/a>\u3057\u3001<a href=\"https:\/\/medium.com\/@tiffanyfayj\/docker-1-11-et-plus-engine-is-now-built-on-runc-and-containerd-a6d06d7e80ef\">Docker\u30b3\u30f3\u30c6\u30ca\u74b0\u5883\u3067unprivileged container\u304c\u7a3c\u52d5\u3067\u304d\u308b<\/a>\u69d8\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n<h2>Least Privileged Microservices<\/h2>\n<p>\u540c\u69d8\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3001Docker\u793e\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30c1\u30fc\u30e0\u306f \u201cleast privileged microservices\u201d \u3068\u547c\u3070\u308c\u308b\u30b3\u30f3\u30bb\u30d7\u30c8\u306e\u958b\u767a\u306b\u7740\u624b\u3057\u3066\u3044\u308b\u3002Docker\u793e\u306eLawrence\u6c0f\u306b\u3088\u308b\u3068\u3001\u3053\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u306f\u3001\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u304c\u5fc5\u8981\u3068\u3059\u308b\u30b7\u30b9\u30c6\u30e0\u6a29\u9650\u3092\u6700\u5c0f\u9650\u306b\u3059\u308b\u3053\u3068\u3067\u3042\u308b\u3001\u3068\u8ff0\u3079\u3066\u3044\u308b\u3002<\/p>\n<p>\u7406\u60f3\u7684\u306b\u306f\u3001\u30b3\u30f3\u30c6\u30ca\u306f\u30e2\u30d0\u30a4\u30eb\u30a2\u30d7\u30ea\u306e\u69d8\u306a\u52d5\u4f5c\u74b0\u5883\u3092\u6301\u3064\u3079\u304d\u3067\u3001\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3068\u540c\u6642\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8a2d\u5b9a\u3082\u540c\u6642\u306b\u5b9f\u88c5\u3055\u308c\u3001\u7ba1\u7406\u8005\u304c\u3059\u3050\u306b\u3069\u306e\u69d8\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a29\u9650\u3092\u6301\u3064\u3079\u304d\u304b\u304c\u308f\u304b\u308b\u69d8\u306a\u4ed5\u7d44\u307f\u304c\u671b\u307e\u308c\u308b\u3002<\/p>\n<p>\u3082\u3046\u4e00\u3064\u306e\u8a66\u307f\u3068\u3057\u3066\u306f\u3001<a href=\"http:\/\/www.projectatomic.io\/\">Project Atomic<\/a>\u306e\u30c1\u30fc\u30e0\u304c\u958b\u767a\u3057\u3066\u3044\u308b<a href=\"https:\/\/github.com\/projectatomic\/bubblewrap\">BubbleWrap<\/a>\u3068\u547c\u3070\u308c\u308b\u30c4\u30fc\u30eb\u3002\u3053\u308c\u306f\u65b0\u898f\u306enamespace\u3092\u69cb\u7bc9\u3057\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092OS\/\u30c7\u30fc\u30bf\u3078\u306e\u30a2\u30af\u30bb\u30b9\u5236\u9650\u304c\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u30b5\u30f3\u30c9\u30dc\u30c3\u30af\u30b9\u5185\u3067\u8d77\u52d5\u3001\u5b9f\u884c\u3067\u304d\u308b\u69d8\u306b\u3059\u308b\u3082\u306e\u3001\u3068\u540c\u88fd\u54c1\u306eGitHub\u30da\u30fc\u30b8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7a3f\u306f\u3001The Quest to Build an Unprivileged Container(2016\/7\/20)\u306e\u548c\u8a33\u3067\u3059\u3002 \u4e00\u822c\u6a29\u9650\u4e0b\u3067\u30b3\u30f3\u30c6\u30ca\u3092\u30d3\u30eb\u30c9\u3059\u308b\u305f\u3081\u306e\u958b\u767a 20 Jul 2016 12:28pm, b [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":16850,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[43,56],"tags":[],"class_list":["post-16849","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-docker","category-i-suzuki"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u3010\u548c\u8a33\u3011\u4e00\u822c\u6a29\u9650\u4e0b\u3067\u30b3\u30f3\u30c6\u30ca\u3092\u30d3\u30eb\u30c9\u3059\u308b\u305f\u3081\u306e\u958b\u767a\u3000#docker - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" 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