{"id":5799,"date":"2010-12-08T06:10:57","date_gmt":"2010-12-07T21:10:57","guid":{"rendered":"http:\/\/www.suzukikenichi.com\/blog\/?p=5799"},"modified":"2010-12-09T11:38:03","modified_gmt":"2010-12-09T02:38:03","slug":"security-issue-in-website-optimizer","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/security-issue-in-website-optimizer\/","title":{"rendered":"\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u554f\u984c\u304c\u767a\u899a"},"content":{"rendered":"

Google\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u554f\u984c\u304c\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

\u5229\u7528\u8005\u306fGoogle\u304b\u3089\u30e1\u30fc\u30eb\u901a\u77e5\u3092\u53d7\u3051\u3066\u3044\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u898b\u843d\u3068\u3057\u3066\u3044\u308b\u3068\u5371\u306a\u3044\u306e\u3067\u3053\u306e\u30d6\u30ed\u30b0\u3067\u3082\u304a\u4f1d\u3048\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n

\u4ee5\u4e0b\u3001Google\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305f\u30e1\u30fc\u30eb\u3067\u3059\u3002<\/p>\n

\n\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8 \u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc\u306b\u304a\u3051\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u554f\u984c<\/span><\/p>\n

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\u30d0\u30b0\u306f\u65e2\u306b\u4fee\u6b63\u3044\u305f\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u65b0\u3057\u3044\u30c6\u30b9\u30c8\u304c\u5f71\u97ff\u3092\u53d7\u3051\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u73fe\u5728\u5b9f\u884c\u4e2d\u306e\u30c6\u30b9\u30c8\u306b\u3064\u304d\u307e\u3057\u3066\u306f\u3001\u30b5\u30a4\u30c8\u306e\u30d0\u30b0\u3092\u4fee\u6b63\u3059\u308b\u305f\u3081\u306b\u66f4\u65b0\u3057\u3066\u3044\u305f\u3060\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u30012010 \u5e74 12 \u6708 3 \u65e5\u3088\u308a\u524d\u306b\u4f5c\u6210\u3057\u3001\u4e00\u6642\u505c\u6b62\u307e\u305f\u306f\u505c\u6b62\u6e08\u307f\u306e\u30c6\u30b9\u30c8\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8 \u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc \u30b9\u30af\u30ea\u30d7\u30c8\u3082\u540c\u69d8\u306b\u3001\u30b3\u30fc\u30c9\u3092\u524a\u9664\u307e\u305f\u306f\u66f4\u65b0\u3057\u3066\u3044\u305f\u3060\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

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\u65b0\u3057\u3044\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b<\/span><\/p>\n

    \n
  1. \u73fe\u5728\u5b9f\u884c\u4e2d\u306e\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8 \u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc\u306e\u30c6\u30b9\u30c8\u3092\u505c\u6b62\u3057\u307e\u3059\u3002<\/li>\n
  2. \u30b5\u30a4\u30c8\u304b\u3089\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8 \u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc\u306e\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u3059\u3079\u3066\u524a\u9664\u3057\u307e\u3059\u3002<\/li>\n
  3. \u901a\u5e38\u3069\u304a\u308a\u306b\u65b0\u3057\u3044\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u65b0\u3057\u3044\u30c6\u30b9\u30c8\u306b\u8106\u5f31\u6027\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/li>\n<\/ol>\n

    \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8 \u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc\u306e\u5236\u5fa1\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u76f4\u63a5\u66f4\u65b0\u3059\u308b<\/span><\/p>\n

    1. \u304a\u5ba2\u69d8\u306e\u30b5\u30a4\u30c8\u3067\u5236\u5fa1\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u898b\u3064\u3051\u307e\u3059\u3002\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n

    A\/B \u30c6\u30b9\u30c8\u306e\u5236\u5fa1\u30b9\u30af\u30ea\u30d7\u30c8
    \n<!-- Google Website Optimizer Control Script -->
    \n<script>
    \nfunction utmx_section(){}function utmx(){}
    \n(function(){var k='XXXXXXXXXX',d=document,l=d.location,c=d.cookie;function f(n){
    \nif(c){var i=c.indexOf(n+'=');if(i>-1){var j=c.indexOf(';',i);return c.substring(i+n.
    \nlength+1,j<0?c.length:j)}}}var x=f('__utmx'),xx=f('__utmxx'),h=l.hash;
    \nd.write('<sc'+'ript src=\"'+
    \n'http'+(l.protocol=='https:'?'s:\/\/ssl':':\/\/www')+'.google-analytics.com'
    \n+'\/siteopt.js?v=1&utmxkey='+k+'&utmx='+(x?x:'')+'&utmxx='+(xx?xx:'')+'&utmxtime='
    \n+new Date().valueOf()+(h?'&utmxhash='+escape(h.substr(1)):'')+
    \n'\" type=\"text\/javascript\" charset=\"utf-8\"><\/sc'+'ript>')})();
    \n<\/script><script>utmx(\"url\",'A\/B');<\/script>
    \n<!-- End of Google Website Optimizer Control Script --><\/code><\/p>\n

    \u591a\u5909\u91cf\u30c6\u30b9\u30c8\u306e\u5236\u5fa1\u30b9\u30af\u30ea\u30d7\u30c8
    \n<!-- Google Website Optimizer Control Script -->
    \n<script>
    \nfunction utmx_section(){}function utmx(){}
    \n(function(){var k='XXXXXXXXXX',d=document,l=d.location,c=d.cookie;function f(n){
    \nif(c){var i=c.indexOf(n+'=');if(i>-1){var j=c.indexOf(';',i);return c.substring(i+n.
    \nlength+1,j<0?c.length:j)}}}var x=f('__utmx'),xx=f('__utmxx'),h=l.hash;
    \nd.write('<sc'+'ript src=\"'+
    \n'http'+(l.protocol=='https:'?'s:\/\/ssl':':\/\/www')+'.google-analytics.com'
    \n+'\/siteopt.js?v=1&utmxkey='+k+'&utmx='+(x?x:'')+'&utmxx='+(xx?xx:'')+'&utmxtime='
    \n+new Date().valueOf()+(h?'&utmxhash='+escape(h.substr(1)):'')+
    \n'\" type=\"text\/javascript\" charset=\"utf-8\"><\/sc'+'ript>')})();
    \n<\/script>
    \n<!-- End of Google Website Optimizer Control Script --><\/code><\/p>\n

    2. \u5236\u5fa1\u30b9\u30af\u30ea\u30d7\u30c8\u3067 return c.substring(… \u3068\u3044\u3046\u90e8\u5206\u3092\u63a2\u3057\u307e\u3059\u3002
    \n3. \u3053\u306e\u884c\u3092\u6b21\u306e\u3088\u3046\u306b\u4fee\u6b63\u3057\u307e\u3059\u3002
    \n\u4fee\u6b63\u524d: return c.substring(i+n.length+1,j<0?c.length:j)
    \n\u4fee\u6b63\u5f8c: return escape(c.substring(i+n.length+1,j<0?c.length:j))
    \n\u5fc5\u305a\u6700\u5f8c\u306e\u9589\u3058\u62ec\u5f27\u300c)\u300d\u3092\u542b\u3081\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n

    \u4fee\u6b63\u5f8c\u306e A\/B \u30c6\u30b9\u30c8\u306e\u5236\u5fa1\u30b9\u30af\u30ea\u30d7\u30c8
    \n<!-- Google Website Optimizer Control Script -->
    \n<script>
    \nfunction utmx_section(){}function utmx(){} (function(){var k='XXXXXXXXXX',d=document,l=d.location,c=d.cookie;function f(n){ if(c){var i=c.indexOf(n+'=');if(i>-1){var j=c.indexOf(';',i);
    \nreturn escape(c.substring(i+n.length+1,j<0?c.length:j))}}}
    \nvar x=f('__utmx'),xx=f('__utmxx'),h=l.hash; d.write('<sc'+'ript src=\"'+
    \n'http'+(l.protocol=='https:'?'s:\/\/ssl':':\/\/www')+'.google-analytics.com'
    \n+'\/siteopt.js?v=1&utmxkey='+k+'&utmx='+(x?x:'')+'&utmxx='+(xx?xx:'')+'&utmxtime='
    \n+new Date().valueOf()+(h?'&utmxhash='+escape(h.substr(1)):'')+
    \n'\" type=\"text\/javascript\" charset=\"utf-8\"><\/sc'+'ript>')})();
    \n<\/script><script>utmx(\"url\",'A\/B');
    \n<\/script>
    \n<!-- End of Google Website Optimizer Control Script --><\/code><\/p>\n

    \u4fee\u6b63\u5f8c\u306e\u591a\u5909\u91cf\u30c6\u30b9\u30c8\u306e\u5236\u5fa1\u30b9\u30af\u30ea\u30d7\u30c8
    \n<!-- Google Website Optimizer Control Script -->
    \n<script>
    \nfunction utmx_section(){}function utmx(){}
    \n(function(){var k='XXXXXXXXXX',d=document,l=d.location,c=d.cookie;function f(n){
    \nif(c){var i=c.indexOf(n+'=');if(i>-1){var j=c.indexOf(';',i);
    \nreturn escape(c.substring(i+n.length+1,j<0?c.length:j))}}}
    \nvar x=f('__utmx'),xx=f('__utmxx'),h=l.hash; d.write('<sc'+'ript src=\"'+
    \n'http'+(l.protocol=='https:'?'s:\/\/ssl':':\/\/www')+'.google-analytics.com'
    \n+'\/siteopt.js?v=1&utmxkey='+k+'&utmx='+(x?x:'')+'&utmxx='+(xx?xx:'')+'&utmxtime='
    \n+new Date().valueOf()+(h?'&utmxhash='+escape(h.substr(1)):'')+
    \n'\" type=\"text\/javascript\" charset=\"utf-8\"><\/sc'+'ript>')})();
    \n<\/script>
    \n<!-- End of Google Website Optimizer Control Script --><\/code><\/p>\n

    \u4e0a\u8a18\u306e\u5236\u5fa1\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u4f8b\u3067\u3001k=XXXXXXXXX \u3068\u3044\u3046\u884c\u306f\u30d7\u30ec\u30fc\u30b9\u30db\u30eb\u30c0\u30fc\u3067\u3059\u3002<\/p>\n

    \u3053\u306e\u66f4\u65b0\u5f8c\u3001\u30c6\u30b9\u30c8\u306f\u5f15\u304d\u7d9a\u304d\u901a\u5e38\u3069\u304a\u308a\u306b\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002\u30c6\u30b9\u30c8\u306e\u4e00\u6642\u505c\u6b62\u3068\u518d\u958b\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

    \u4eca\u56de\u306e\u554f\u984c\u306b\u3064\u304d\u307e\u3057\u3066\u3001\u7686\u69d8\u306b\u3054\u4e0d\u4fbf\u3092\u304a\u304b\u3051\u3044\u305f\u3057\u307e\u3057\u305f\u3053\u3068\u3092\u6df1\u304f\u304a\u8a6b\u3073\u7533\u3057\u4e0a\u3052\u307e\u3059\u3002Google \u3067\u306f\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8 \u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5411\u4e0a\u306b\u53d6\u308a\u7d44\u3093\u3067\u304a\u308a\u3001\u5f15\u304d\u7d9a\u304d\u8106\u5f31\u6027\u306e\u89e3\u6c7a\u306b\u52aa\u3081\u3066\u307e\u3044\u308a\u307e\u3059\u3002<\/p>\n

    \u4eca\u5f8c\u3068\u3082\u3069\u3046\u305e\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u3044\u305f\u3057\u307e\u3059\u3002
    \nTrevor
    \nGoogle \u30a6\u30a7\u30d6\u30b5\u30a4\u30c8 \u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u30fc \u30c1\u30fc\u30e0<\/p><\/blockquote>\n

    P.S.
    \n\u30b3\u30fc\u30c9\u306e\u90e8\u5206\u3082\u539f\u6587\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3044\u307e\u3059\u304c\u3001100%\u540c\u3058\u3068\u3044\u3046\u4fdd\u8a3c\u306f\u3067\u304d\u307e\u305b\u3093\u3002
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