{"id":1205,"date":"2014-09-27T03:13:53","date_gmt":"2014-09-26T18:13:53","guid":{"rendered":"http:\/\/www.nightmare-yk.com\/?p=1205"},"modified":"2014-09-27T03:16:25","modified_gmt":"2014-09-26T18:16:25","slug":"bash%e3%81%ae%e8%84%86%e5%bc%b1%e6%80%a7%e5%95%8f%e9%a1%8c","status":"publish","type":"post","link":"http:\/\/www.nightmare-yk.com\/?p=1205","title":{"rendered":"bash\u306e\u8106\u5f31\u6027\u554f\u984c"},"content":{"rendered":"<p>2014\u5e749\u670824\u65e5\u306bbash\u306e\u8106\u5f31\u6027\u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002\u3082\u3046\u305f\u304f\u3055\u3093\u306e\u8a18\u4e8b\u304c\u3042\u308b\u306e\u3067\u3001\u4eca\u66f4\u611f\u306f\u5426\u3081\u307e\u305b\u3093\u304c(\uff61\uff65\u03c9\uff65)\uff89\uff9e<\/p>\n<p>\u4eca\u5e74\u306e\u6625\u9803\u306b\u3001\u300cHeartbleed\u300d\u3068\u547c\u3070\u308c\u308bopenssl\u306e\u8106\u5f31\u6027\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u4eca\u56de\u306f\u300cshellshock\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3001\u300cHeartbleed\u300d\u3088\u308a\u3082\u6df1\u523b\u306a\u554f\u984c\u3068\u306e\u58f0\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>bash\u306e\u74b0\u5883\u5909\u6570\u306e\u51e6\u7406\u306e\u90e8\u5206\u3067\u554f\u984c\u304c\u3042\u308a\u3001\u7d30\u5de5\u3092\u65bd\u3057\u305f\u74b0\u5883\u5909\u6570\u3092\u53d7\u3051\u5165\u308c\u305f\u5834\u5408\u3001\u305d\u3053\u306b\u542b\u307e\u308c\u308b\u4efb\u610f\u306e\u30b3\u30de\u30f3\u30c9\u307e\u3067\u5b9f\u884c\u3057\u3066\u3057\u307e\u3046\u6050\u308c\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u307e\u305f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u60c5\u5831\u3092\u76d7\u307f\u898b\u3089\u308c\u305f\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u3092\u6539\u3056\u3093\u3055\u308c\u305f\u308a\u3059\u308b\u306a\u3069\u3001\u5927\u304d\u306a\u5f71\u97ff\u3092\u53d7\u3051\u308b\u6050\u308c\u3082\u3042\u308b\u305d\u3046\u3067\u3059\u3002\u304b\u306a\u308a\u6050\u308d\u3057\u3044\u3067\u3059\u306d(\uffe3\u0414\uffe3;)<\/p>\n<p>\u5b9f\u969b\u306b\u8a66\u3057\u3066\u3044\u308b\u52d5\u753b\u3082\u30a2\u30c3\u30d7\u3055\u308c\u3066\u3044\u307e\u3059\u3057\u3001\u7c21\u5358\u306b\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>25\u65e5\u306b\u3059\u3050\u306b\u30d1\u30c3\u30c1\u304c\u3067\u307e\u3057\u305f\u304c\u3001\u305d\u308c\u304c\u4e0d\u5341\u5206\u3067\u3042\u308b\u3068RedHat\u304b\u3089\u60c5\u5831\u304c\u3042\u304c\u308a\u300126\u65e5\u306b\u518d\u5ea6\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u305f\u3088\u3046\u3067\u3059\u3002<br \/>\nCentOS\u306e\u6700\u65b0\u7248\u306ebash\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3082\u672c\u65e5(\u65e5\u4ed8\u7684\u306b\u306f\u6628\u65e5\u3067\u3059\u304c&#8230;)11\u6642\u306b\u516c\u958b\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u7ba1\u7406\u4eba\u3082\u65e9\u901f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u4f1a\u793e\u3067\u3082\u3001bash\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u5bfe\u5fdc\u3084\u3089\u3067\u3001\u3066\u3093\u3066\u3053\u307e\u3044\u3067\u3057\u305f\u3088\u3002(\uff89\u0434-\uff61)<\/p>\n<p>bash\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306frpm\u30b3\u30de\u30f3\u30c9\u3084yum\u30b3\u30de\u30f3\u30c9\u3067\u7c21\u5358\u306b\u3067\u304d\u307e\u3059\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u306b\u3082\u3055\u307b\u3069\u5f71\u97ff\u304c\u306a\u3044\u306e\u3067\u3001\u65e9\u3081\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u3053\u3068\u3092\u304a\u52e7\u3081\u3057\u307e\u3059\u3002<br \/>\n(\u53e4\u3044\u30b7\u30b9\u30c6\u30e0\u306e\u5834\u5408\u306f\u7c21\u5358\u306b\u306f\u3044\u304b\u306a\u3044\u3067\u3057\u3087\u3046\u304c\u3002\u3002\u3002)<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5b9f\u884c\u3057\u3066\u7d50\u679c\u304c\u51fa\u529b\u3055\u308c\u305f\u3089\u5bfe\u5fdc\u3067\u304d\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n<table width=\"550\">\n<tbody>\n<tr>\n<td style=\"text-align: left;\">\n<pre>$ env x='() { :;}; echo vulnerable'  bash -c \"echo this is a test\"\r\nbash: warning: x: ignoring function definition attempt\r\nbash: error importing function definition for `x'\r\nthis is a test\r\n<\/pre>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class='wp_social_bookmarking_light'>\n            <div class=\"wsbl_facebook_like\"><div id=\"fb-root\"><\/div><fb:like href=\"http:\/\/www.nightmare-yk.com\/?p=1205\" layout=\"button_count\" action=\"like\" width=\"100\" share=\"false\" show_faces=\"false\" ><\/fb:like><\/div>\n            <div class=\"wsbl_google_plus_one\"><g:plusone size=\"medium\" annotation=\"none\" href=\"http:\/\/www.nightmare-yk.com\/?p=1205\" ><\/g:plusone><\/div>\n    <\/div>\n<br class='wp_social_bookmarking_light_clear' \/>\n","protected":false},"excerpt":{"rendered":"<p>2014\u5e749\u670824\u65e5\u306bbash\u306e\u8106\u5f31\u6027\u304c\u767a\u8868\u3055\u308c\u307e\u3057\u305f\u3002\u3082\u3046\u305f\u304f\u3055\u3093\u306e\u8a18\u4e8b\u304c\u3042\u308b\u306e\u3067\u3001\u4eca\u66f4\u611f\u306f\u5426\u3081\u307e\u305b\u3093\u304c(\uff61\uff65\u03c9\uff65)\uff89\uff9e \u4eca\u5e74\u306e\u6625\u9803\u306b\u3001\u300cHeartbleed\u300d\u3068\u547c\u3070\u308c\u308bopenssl\u306e\u8106\u5f31\u6027\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u4eca\u56de\u306f\u300cshellshock\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3001\u300cHeartbleed\u300d\u3088\u308a\u3082\u6df1\u523b\u306a\u554f\u984c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1206,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[3],"tags":[177,178,146],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.nightmare-yk.com\/wp-content\/uploads\/2014\/09\/shellshock-rob-graham-twitter.jpg?fit=630%2C354","jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack-related-posts":[],"_links":{"self":[{"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/posts\/1205"}],"collection":[{"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1205"}],"version-history":[{"count":2,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/posts\/1205\/revisions"}],"predecessor-version":[{"id":1894,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/posts\/1205\/revisions\/1894"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=\/wp\/v2\/media\/1206"}],"wp:attachment":[{"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1205"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1205"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.nightmare-yk.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}