{"id":6075,"date":"2014-10-02T15:00:19","date_gmt":"2014-10-02T06:00:19","guid":{"rendered":"http:\/\/www.creationline.com\/?p=6075"},"modified":"2015-03-12T12:56:38","modified_gmt":"2015-03-12T03:56:38","slug":"%e5%92%8c%e8%a8%b3-chef%e3%81%ab%e3%82%88%e3%82%8bshellshock%e3%81%ae%e6%a4%9c%e7%9f%a5%e3%81%a8%e4%bf%ae%e6%ad%a3-opschef_ja-getchef_ja","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/chef\/6075","title":{"rendered":"[\u548c\u8a33] Chef\u306b\u3088\u308bShellshock\u306e\u691c\u77e5\u3068\u4fee\u6b63 #opschef_ja #getchef_ja"},"content":{"rendered":"

\u672c\u9805\u306f Detecting & Repairing Shellshock with Chef<\/a> (2014\/09\/30) \u306e\u548c\u8a33\u3067\u3059\u3002<\/p>\n

\nThe Bourne Shell - fifth film in the trilogy. Jason Bourne tries to patch servers against obscure bug. No fights or car chases. Avoid. - Charles Arthur (@charlesarthur) September 27, 2014<\/a>\n<\/p><\/blockquote>\n

(\u8a33\u6ce8:\u30dc\u30fc\u30f3\u30b7\u30ea\u30fc\u30ba<\/a>\u306b\u304b\u3051\u305f\u30b8\u30e7\u30fc\u30af)<\/p>\n

\u5b09\u3057\u304f\u3082\u4f55\u3068\u3082\u306a\u3044\u3053\u3068\u306b\u3001\u4eca\u5e74\u306f\u81f4\u547d\u7684\u306a\u9060\u9694\u304b\u3089\u653b\u6483\u53ef\u80fd\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u306e\u5e74\u3067\u3057\u305f\u3002\u307e\u305aOpenSSL<\/a>\u306eHeartbleed<\/a>\u30d0\u30b0\u304c\u3042\u308a\u3001\u5148\u9031\u306fBash<\/a> (Bourne-Again Shell)\u306e\u74b0\u5883\u5909\u6570\u306e\u53d6\u308a\u6271\u3044\u306b\u8d77\u56e0\u3059\u308bShellshock<\/a>\u30d0\u30b0\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u672c\u9805\u3067\u306f\u3001Chef\u3092\u7528\u3044\u3066\u3044\u308b\u30b5\u30fc\u30d0\u7fa4\u306b\u308f\u305f\u3063\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u8106\u5f31\u6027\u3092\u691c\u77e5\u3068\u4fee\u6b63\u3057\u3001\u30b5\u30fc\u30d0\u7fa4\u3092\u5b89\u5168\u306a\u72b6\u614b\u306b\u3059\u308b\u8c46\u77e5\u8b58\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n

\u8106\u5f31\u306aBash\u306e\u691c\u77e5<\/h2>\n

Chef\u306e\u3059\u3070\u3089\u3057\u3044\u7279\u5fb4\u306e1\u3064\u306b\u3001Ohai<\/a>\u3068\u3044\u3046Chef Client\u306e\u5b9f\u884c\u6642\u306b\u30b7\u30b9\u30c6\u30e0\u306e\u60c5\u5831\u3092\u96c6\u3081\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002Ohai\u306f\u53ce\u96c6\u3059\u308b\u60c5\u5831\u3092\u5897\u3084\u3059\u305f\u3081\u306b\u3001\u7c21\u5358\u306b\u5229\u7528\u3067\u304d\u308b\u30d7\u30e9\u30b0\u30a4\u30f3\u30b7\u30b9\u30c6\u30e0<\/a>\u3092\u7528\u3044\u3066\u62e1\u5f35\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002Ohai\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u30b7\u30a7\u30eb\u306e\u60c5\u5831\u306f\u53ce\u96c6\u3057\u306a\u3044\u306e\u3067\u3001Bash\u304c\u8106\u5f31\u304b\u3069\u3046\u304b\u3092\u3059\u3079\u3066\u306e\u30ce\u30fc\u30c9\u3067\u691c\u77e5\u3059\u308b\u305f\u3081\u306e\u7c21\u5358\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f\u3002<\/p>\n

bash.rb<\/h3>\n


\n#
\n# Author:: Julian C. Dunn ()
\n# Copyright:: Copyright (c) 2014, Chef Software, Inc.
\n# License:: Apache License, Version 2.0
\n#
\n# Licensed under the Apache License, Version 2.0 (the \"License\");
\n# you may not use this file except in compliance with the License.
\n# You may obtain a copy of the License at
\n#
\n# http:\/\/www.apache.org\/licenses\/LICENSE-2.0
\n#
\n# Unless required by applicable law or agreed to in writing, software
\n# distributed under the License is distributed on an \"AS IS\" BASIS,
\n# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
\n# See the License for the specific language governing permissions and
\n# limitations under the License.
\n#<\/p>\n

Ohai.plugin(:Bash) do
\n provides 'languages\/bash'
\n depends 'languages'<\/p>\n

def bash_version
\n cmd = 'bash --version'
\n shell_out(cmd).stdout.lines.first.strip
\n end<\/p>\n

def bash_vulnerable?
\n cmd = < \/dev\/null 2>&1
\nENDCMD
\n shell_out(cmd).status == 0
\n end<\/p>\n

collect_data do
\n languages[:bash] = Mash.new
\n languages[:bash][:version] = bash_version
\n languages[:bash][:shellshock_vulnerable] = bash_vulnerable?
\n end
\nend
\n<\/code><\/p>\n

\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f7f\u3046\u306b\u306f\u3001\u65b0\u3057\u3044Cookbook\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306fremediate-shellshock<\/strong>\u3068\u547c\u3076\u3053\u3068\u306b\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3057\u3066\u3001\u8ffd\u52a0\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u7d44\u307f\u8fbc\u3080\u305f\u3081\u306b\u3001Ohai \u30b3\u30df\u30e5\u30cb\u30c6\u30a3Cookbook<\/a>\u5185\u3067\u72ec\u81ea\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u80fd\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/p>\n

attributes-default.rb<\/h3>\n


\ndefault['ohai']['plugins']['remediate-shellshock'] = 'plugins'
\n<\/code><\/p>\n

recipes-default.rb<\/h3>\n


\ninclude_recipe 'ohai'
\n<\/code><\/p>\n

bash.rb<\/strong>\u30d7\u30e9\u30b0\u30a4\u30f3\u30d5\u30a1\u30a4\u30eb\u3092\u65b0\u3057\u3044Cookbook\u306efiles\/default\/plugins<\/strong>\u306b\u7f6e\u304f\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u304a\u308f\u304b\u308a\u3060\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u540c\u69d8\u306b\u3059\u308c\u3070Heartbleed\u306b\u8106\u5f31\u306aOpenSSL\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u691c\u77e5\u3057\u3066\u5831\u544a\u3059\u308b\u540c\u3058\u3088\u3046\u306a\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u306a\u304a\u3001\u3053\u306e\u30b3\u30fc\u30c9\u306b\u306f\u4ed6\u306b\u3082\u6539\u826f\u3067\u304d\u305d\u3046\u306a\u7b87\u6240\u304c\u591a\u6570\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\/bin\/sh<\/strong>\u304cBash\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3001\u8106\u5f31\u3067\u3042\u308b\u304b\u3069\u3046\u304b\u306e\u30d5\u30e9\u30b0\u3092\u8a2d\u5b9a\u3059\u308b\u3088\u3046\u306b\u3053\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u3092\u62e1\u5f35\u3067\u304d\u305d\u3046\u3067\u3059\u3002<\/p>\n

Ohai\u306e\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306f\u52d5\u4f5c\u306e\u6700\u5f8c\u306bChef Server\u306b\u9001\u3089\u308c\u308b\u306e\u3067\u3001\u30a4\u30f3\u30d5\u30e9\u5168\u4f53\u306b\u308f\u305f\u3063\u3066Shellshock\u306b\u8106\u5f31\u306a\u30de\u30b7\u30f3\u3092\u5831\u544a\u3059\u308b\u306e\u306f\u5bb9\u6613\u3067\u3059\u3002knife search<\/a>\u3092\u4f7f\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n

\nknife search node 'bash_shellshock_vulnerable:true'\n<\/p><\/blockquote>\n

\u8106\u5f31\u306aBash\u306e\u4fee\u6b63<\/h2>\n

\u8106\u5f31\u306aBash\u3092\u691c\u77e5\u3057\u305f\u3089\u3001Bash\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u66f4\u65b0\u3059\u308b\u305f\u3081\u306eRecipe\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3060\u3051\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u6b21\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u5341\u5206\u3067\u3059\u3002<\/p>\n


\npackage 'bash' do
\n action :upgrade
\nend
\n<\/code><\/p>\n

\u307e\u305f\u306f\u3001\u524d\u8ff0\u306eOhai\u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u7d50\u679c\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u8106\u5f31\u306a\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u898b\u3064\u304b\u3063\u305f\u5834\u5408\u306e\u307f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u306e\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n


\npackage 'bash' do
\n action :upgrade
\n only_if { node['languages']['bash']['shellshock_vulnerable'] }
\nend
\n<\/code><\/p>\n

\u79c1\u9054\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u300c\u30d1\u30c3\u30c1\u7ba1\u7406\u300d\u306b\u3064\u3044\u3066Chef\u306f\u3088\u3044\u9078\u629e\u80a2\u306a\u306e\u304b\u3069\u3046\u304b\u3068\u3044\u3046\u305f\u304f\u3055\u3093\u306e\u8cea\u554f\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002\u3057\u3070\u3057\u3070\u3001\u9867\u5ba2\u304c\u610f\u5473\u3059\u308b\u300c\u30d1\u30c3\u30c1\u7ba1\u7406\u300d\u3068\u306f\u3001\u30b5\u30fc\u30d0\u7fa4\u306b\u5bfe\u3057\u3066\u30d1\u30c3\u30c1\u3092\u9069\u7528\u3059\u308b\u3088\u3046\u306b\u3001\u3042\u308b\u65e5\u6642\u306b\u30d1\u30c3\u30c1\u9069\u7528\u3092\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u306e\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u4f8b\u3084Brian Flad\u4f5c\u306eauto-patch cookbook<\/a> \u306e\u901a\u308a\u306bChef\u3092\u4f7f\u3046\u3053\u3068\u3067\u53ef\u80fd\u3067\u3059\u3057\u3001Red Hat Satellite<\/a>\u3084Windows Server Update Services<\/a> (WSUS)\u306e\u3088\u3046\u306a\u5916\u90e8\u30b7\u30b9\u30c6\u30e0\u306f\u3053\u306e\u5206\u91ce\u306b\u304a\u3044\u3066\u3088\u308a\u9ad8\u6a5f\u80fd\u3067\u3059\u3002Chef\u3092\u305d\u308c\u3089\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u306f\u7c21\u5358\u3067\u3059\u3002<\/p>\n

Bash\u304c\u8106\u5f31\u306a\u3089Chef\u306e\u52d5\u4f5c\u3092\u505c\u6b62\u3059\u308b<\/h2>\n

\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306e\u4e00\u54e1\u3067\u3042\u308bJeff Blaine<\/a>\u6c0f\u306f\u3001Bash\u304c\u8106\u5f31\u306a\u5834\u5408\u306bChef\u306e\u52d5\u4f5c\u3092\u305f\u3060\u3061\u306b\u505c\u6b62\u3059\u308bRecipe\u3068\u3044\u3046\u5225\u306e\u624b\u6cd5\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u308c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u5f7c\u306f\u3001\u79c1\u304c\u4f5c\u6210\u3057\u305fOhai\u30d7\u30e9\u30b0\u30a4\u30f3\u3068\u307e\u3063\u305f\u304f\u540c\u3058\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3059\u308bbash-cve-2014-7169<\/a>\u3068\u3044\u3046Cookbook\u3092\u66f8\u3044\u3066\u3044\u307e\u3059\u3002\u3053\u306eCookbook\u3092\u7528\u3044\u3066Chef\u304c\u505c\u6b62\u3059\u308b\u3068\u3001\u8a72\u5f53\u3059\u308b\u30de\u30b7\u30f3\u304b\u3089\u30a2\u30e9\u30fc\u30c8\u3092\u53d7\u3051\u53d6\u3063\u3066\u3001\u524d\u8ff0\u306e\u4fee\u6b63\u63aa\u7f6e\u3092\u53d6\u308b\u3068\u3044\u3046\u3084\u308a\u65b9\u3067\u3059\u3002<\/p>\n

\u307e\u3068\u3081<\/h2>\n

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\u672c\u9805\u306f Detecting & Repairing Shellshock with Chef (2014\/09\/30) \u306e\u548c\u8a33\u3067\u3059\u3002 The Bourne Shell – fifth film in the trilog […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[36],"tags":[],"class_list":["post-6075","post","type-post","status-publish","format-standard","hentry","category-chef"],"acf":[],"yoast_head":"\n[\u548c\u8a33] Chef\u306b\u3088\u308bShellshock\u306e\u691c\u77e5\u3068\u4fee\u6b63 #opschef_ja #getchef_ja - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"Chef |\u672c\u9805\u306f Detecting & Repairing Shellshock with Chef (2014\/09\/30) \u306e\u548c\u8a33\u3067\u3059\u3002 The Bourne\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.creationline.com\/tech-blog\/6075\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[\u548c\u8a33] Chef\u306b\u3088\u308bShellshock\u306e\u691c\u77e5\u3068\u4fee\u6b63 #opschef_ja #getchef_ja - 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