{"id":303,"date":"2023-06-01T18:04:00","date_gmt":"2023-06-01T09:04:00","guid":{"rendered":"https:\/\/yorozu.cloudfree.jp\/wordpress\/?p=303"},"modified":"2024-01-30T18:12:09","modified_gmt":"2024-01-30T09:12:09","slug":"web%e3%81%ae%e8%84%86%e5%bc%b1%e6%80%a7","status":"publish","type":"post","link":"https:\/\/yorozu.cloudfree.jp\/wordpress\/?p=303","title":{"rendered":"Web\u306e\u8106\u5f31\u6027"},"content":{"rendered":"\n

\uff11\uff0eSQL \u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3<\/strong><\/h4>\n\n\n\n

\u3000SQL\uff08Structured Query Language\uff09\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b5\u30fc\u30d0\u3092\u64cd\u4f5c\u3059\u308b\u547d\u4ee4\u6587
\u3000\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\uff08injection<\/strong>\uff09\u306f\u6ce8\u5165\u3059\u308b\u3068\u3044\u3046\u610f\u5473
\u3000\u3000\u672c\u6765\u306e\u610f\u56f3\u3067\u306f\u306a\u3044\u4e0d\u5f53\u306a\u300cSQL\u300d\u6587\u304c\u4f5c\u6210\u3055\u308c\u3001\u6ce8\u5165\u3055\u308c
\u3000\u3000\u610f\u56f3\u3057\u306a\u3044\u30c7\u30fc\u30bf\u64cd\u4f5c\u304c\u5b9f\u884c\u3055\u308c\u3001\u30c7\u30fc\u30bf\u3092\u4e0d\u6b63\u306b\u4f7f\u7528\u3055\u308c\u308b

\u3000\u3000\u30e6\u30fc\u30b6\u304cWeb\u30b5\u30a4\u30c8\u306b\u5165\u529b\u60c5\u5831\u3092\u9001\u4fe1\u3059\u308b\u969b\u306b\u60aa\u7528\u3055\u308c\u308b
\u3000\u3000\u3000\u3000\u5165\u529b\u3055\u308c\u305f\u60c5\u5831\u3092\u30c1\u30a8\u30c3\u30af\u3059\u308b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u4e0d\u5099\u306b\u3088\u308a
\u3000\u3000\u3000\u3000\u5165\u529b\u60c5\u5831\u306b\u4e0d\u5f53\u306a\u547d\u4ee4\u6587\u304c\u4ed8\u4e0e\u3055\u308c\u5b9f\u884c\u3055\u308c\u308b

\u3000\u5bfe\u5fdc\u7b56
\u3000\u3000\u30fbWeb \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u958b\u767a\u6642\u306b\u8106\u5f31\u6027\u3092\u53d6\u308a\u9664\u304f\u30c6\u30b9\u30c8\u3092\u884c\u3046\uff08\u7121\u6599\uff09

\u3000\u3000\u30fb\u8106\u5f31\u6027\u8a3a\u65ad\u3068\u30da\u30cd\u30c8\u30ec\u30fc\u30b7\u30e7\u30f3\uff08\u4fb5\u5165\uff09\u30c6\u30b9\u30c8\u3092\u884c\u3046\uff08\u6709\u6599\uff09
\u3000\u3000\u3000\u3000\u5e02\u8ca9\u306e\u8106\u5f31\u6027\u8a3a\u65ad\u88fd\u54c1\u3084\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u5206\u6790\u88fd\u54c1\u3092\u4f7f\u7528\u3059\u308b<\/p>\n\n\n\n

\uff12\uff0e\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30b9\u30af\u30ea\u30d7\u30c6\u30a3\u30f3\u30b0\uff08XSS\uff1aCross Site Scripting\uff09<\/strong><\/h4>\n\n\n\n

\u3000\u4e0d\u6b63\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30e6\u30fc\u30b6\u30fc\u306eWeb \u30d6\u30e9\u30a6\u30b6\u3067\u5b9f\u884c\u3055\u305b\u308b
\u3000\u3000\u653b\u6483\u8005\u306f\u6b63\u5f53\u306a\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306b\u306a\u308a\u3059\u307e\u3059\u3053\u3068\u304c\u3067\u304d\u308b

\u3000\u7279\u6a29\u3092\u6301\u3064\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4e57\u3063\u53d6\u308b\u3053\u3068\u3067\u3001
\u3000\u3000\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u6539\u3056\u3093\u3001\u9060\u9694\u64cd\u4f5c\u3067\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u5b9f\u884c\u7b49\u306e\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b

\u3000\u5bfe\u5fdc\u7b56
\u3000\u3000\u30fb\u30b5\u30cb\u30bf\u30a4\u30b8\u30f3\u30b0\uff08\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u7121\u5bb3\u5316\uff09\uff08\u7121\u6599\uff09
\u3000\u3000\u3000\u3000\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u5b9f\u884c\u3055\u305b\u306a\u3044\u3088\u3046\u306b\u30b5\u30cb\u30bf\u30a4\u30b8\u30f3\u30b0\u3092\u5b9f\u65bd\u3059\u308b
\u3000\u3000\u3000\u3000\u3000\u3000\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u69cb\u6210\u306b\u5fc5\u8981\u306a&\uff0c<\uff0c>\uff0c\u201d\uff0c\u2019\u306e\uff15\u6587\u5b57\u306b\u7740\u76ee\u3057\u3001
\u3000\u3000\u3000\u3000\u3000\u3000\u3053\u308c\u3089\u304c\u6587\u5b57\u5217\u3068\u3057\u3066\u305d\u306e\u307e\u307e\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u7f6e\u63db\u3059\u308b
\u3000\u3000\u3000\u3000\u3000\u3000\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5165\u529b\u3055\u308c\u3066\u3082\u3001\u653b\u6483\u8005\u304c\u610f\u56f3\u3059\u308b\u5185\u5bb9\u306b\u306f\u3055\u305b\u306a\u3044
\u3000\u3000\u3000\u3000\u3000\u3000Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u753b\u9762\u306b\u306f\u7121\u5bb3\u306a\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u8868\u793a\u3055\u308c\u308b

\u3000\u3000\u30fb\u5165\u529b\u5024\u3092\u5236\u9650\u3059\u308b\uff08\u7121\u6599\uff09
\u3000\u3000\u3000\u3000\u30e6\u30fc\u30b6\u30fc\u306e\u5165\u529b\u3067\u304d\u308b\u5024\u3092\u5236\u9650\u3059\u308b
\u3000\u3000\u3000\u3000\u3000\u3000\u6587\u5b57\u306e\u7a2e\u985e\u3092\u5236\u9650\u3059\u308b\uff08\u6570\u5b57\u306b\u9650\u5b9a\u3059\u308b\uff09
\u3000\u3000\u3000\u3000\u3000\u3000\u5165\u529b\u5024\u306e\u9577\u3055\u306b\u5236\u9650\u3059\u308b

\u3000\u3000\u30fbWAF\uff08Web Application Firewall\uff09\u3067\u9632\u5fa1\u3059\u308b\uff08\u6709\u6599\uff09
\u3000\u3000\u3000\u3000\u30e6\u30fc\u30b6\u304c\u9001\u4fe1\u3059\u308b\u30ea\u30af\u30a8\u30b9\u30c8\u5185\u5bb9\u3092\u76e3\u8996\u3059\u308b
\u3000\u3000\u3000\u3000\u3000\u3000Web\u30b5\u30fc\u30d0\u306e\u524d\u9762\u306b\u914d\u7f6e\u3055\u308c\u3001
\u3000\u3000\u3000\u3000\u3000\u3000Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3078\u306e\u3059\u3079\u3066\u306e\u901a\u4fe1\u3092\u691c\u67fb\u30fb\u89e3\u6790\u3059\u308b<\/p>\n\n\n\n

\uff13\uff0e\u30d0\u30c3\u30d5\u30a1\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc<\/strong><\/h4>\n\n\n\n

\u3000\u9650\u5ea6\u4ee5\u4e0a\u306e\u30c7\u30fc\u30bf\u3092\u30d0\u30c3\u30d5\u30a1\u306b\u5165\u529b\u3059\u308b\u3068\u30c7\u30fc\u30bf\u304c\u3042\u3075\u308c\u308b
\u3000\u3000\u653b\u6483\u8005\u306f\u30aa\u30fc\u30d0\u30fc\u30d5\u30ed\u30fc\u3092\u60aa\u7528\u3057\u30b7\u30b9\u30c6\u30e0\u3092\u5236\u5fa1\u307e\u305f\u306f\u5909\u66f4\u3059\u308b

\u3000\u3000\u3042\u3075\u308c\u3066\u3082\u5f37\u5f15\u306b\u66f8\u304d\u8fbc\u3080\u306e\u3067\u30b9\u30bf\u30c3\u30af\u9818\u57df\u304c\u7834\u58ca\u3055\u308c\u308b
\u3000\u3000\u3000\u3000\u30b9\u30bf\u30c3\u30af\u9818\u57df\u306e\uff33\uff21\uff08save area\uff09\u304c\u7834\u58ca\u3055\u308c\u308b
\u3000\u3000\u3000\u3000\u3000\u3000\u4f7f\u7528\u4e2d\u306e\u30a8\u30ea\u30a2\u304c\u7834\u58ca\u3055\u308c\u308b
\u3000\u3000\u3000\u3000\u3000\u3000\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u623b\u308a\u5148\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u66f8\u304d\u66ff\u308f\u308b
\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u3000\u30d7\u30ed\u30b0\u30e9\u30e0\u7d42\u4e86\u6642\u306b\u3001\u60aa\u610f\u306e\u3042\u308b\u30a2\u30c9\u30ec\u30b9\u306b\u5236\u5fa1\u304c\u6e21\u308b

\u3000\u5bfe\u5fdc\u7b56
\u3000\u3000\u30fb\u30d7\u30ed\u30b0\u30e9\u30e0\u958b\u767a\u6642\u306e\u5bfe\u7b56
\u3000\u3000\u3000\u3000\u5165\u529b\u30c7\u30fc\u30bf\u306e\u9577\u3055\u30c1\u30a7\u30c3\u30af\u3001\u66f8\u304d\u8fbc\u307f\u4e0a\u9650\u30d0\u30a4\u30c8\u3084\u5883\u754c\u306e\u30c1\u30a7\u30c3\u30af
\u3000\u3000\u3000\u3000Java\u306a\u3069\u306e\u8a00\u8a9e\u306b\u7f6e\u304d\u63db\u3048\u308b

\u3000\u3000\u30fb\u5229\u7528\u8005\u5074\u306e\u5bfe\u7b56
\u3000\u3000\u3000\u3000\u30a6\u30a3\u30eb\u30b9\u5bfe\u7b56\u30bd\u30d5\u30c8\u3092\u5e38\u306b\u6700\u65b0\u72b6\u614b\u306b\u3059\u308b\uff08\u7121\u6599\u3001\u6709\u6599\uff09<\/p>\n\n\n\n

\uff14\uff0e\u30af\u30ed\u30b9\u30b5\u30a4\u30c8\u30ea\u30af\u30a8\u30b9\u30c8\u30d5\u30a9\u30fc\u30b8\u30a7\u30ea\uff08CSRF\uff1aCross-Site Request Forgeries\uff09<\/strong><\/h4>\n\n\n\n

\u3000\u653b\u6483\u8005\u306f\u6bb5\u968e\u7684\u306b\u7f60\u3092\u4ed5\u639b\u3051\u308b
\u3000\u3000\u30fb\u653b\u6483\u7528Web\u30da\u30fc\u30b8\u3092\u6e96\u5099\u3057\u3001\u30e6\u30fc\u30b6\u304c\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3088\u3046\u8a98\u5c0e\u3059\u308b
\u3000\u3000\u30fb\u30e6\u30fc\u30b6\u304c\u653b\u6483\u7528Web\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001
\u3000\u3000\u3000\u3000\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3055\u308c\u3066\u3044\u305f\u4e0d\u6b63\u30ea\u30af\u30a8\u30b9\u30c8\u304c\u653b\u6483\u5bfe\u8c61\u30b5\u30fc\u30d0\u306b\u9001\u3089\u308c\u308b
\u3000\u3000\u30fb\u653b\u6483\u5bfe\u8c61\u30b5\u30fc\u30d0\u4e0a\u306eWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306f\u4e0d\u6b63\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u51e6\u7406\u3057\u3001
\u3000\u3000\u3000\u3000\u30e6\u30fc\u30b6\u304c\u610f\u56f3\u3057\u3066\u3044\u306a\u3044\u51e6\u7406\u304c\u884c\u308f\u308c\u3066\u3057\u307e\u3046

\u3000\u5177\u4f53\u4f8b\uff08\u30ed\u30b0\u30a4\u30f3\u304c\u5fc5\u8981\u306a\u51e6\u7406\u306e\u5834\u5408\uff09
\u3000\u3000\u30fb\u30ed\u30b0\u30a4\u30f3\u3057\u305f\u307e\u307e\u306e\u72b6\u614b\u3067\u4ed6\u306e\u30b5\u30a4\u30c8\u306b\u79fb\u308b
\u3000\u3000\u30fb\u653b\u6483\u7528Web\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\uff08\u4e0d\u6b63\u51e6\u7406\u304c\u4ed5\u639b\u3051\u3089\u308c\u308b\uff09
\u3000\u3000\u3000\u3000\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u306e\u60c5\u5831\u304c\u76d7\u307e\u308c\u3001\u60aa\u7528\u3055\u308c\u308b

\u3000\u30e6\u30fc\u30b6\u30fc\u306f\u81ea\u5206\u306e\u64cd\u4f5c\u304c\u653b\u6483\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u3068\u8a8d\u8b58\u3057\u3066\u3044\u306a\u3044
\u3000\u3000\u305d\u306e\u305f\u3081\u30e6\u30fc\u30b6\u30fc\u304c\u610f\u56f3\u7684\u306b\u9001\u4fe1\u3057\u305f\u304b\u3069\u3046\u304b\u306e\u5224\u5225\u306f\u96e3\u3057\u3044

\u3000CSRF\u653b\u6483\u306b\u3088\u3063\u3066\u8d77\u3053\u308a\u5f97\u308b\u88ab\u5bb3\u306f\u3001
\u3000\u3000\u4e0d\u6b63\u306a\u9001\u91d1\u3001\u5229\u7528\u8005\u304c\u610f\u56f3\u3057\u306a\u3044\u5546\u54c1\u8cfc\u5165\u3001\u5229\u7528\u8005\u304c\u610f\u56f3\u3057\u306a\u3044\u9000\u4f1a\u51e6\u7406
\u3000\u3000\u4e0d\u6b63\u306a\u5909\u66f4\uff08\u7ba1\u7406\u8005\u753b\u9762\u3001\u30d1\u30b9\u30ef\u30fc\u30c9\u7b49\uff09\u3001\u63b2\u793a\u677f\u3078\u306e\u4e0d\u9069\u5207\u306a\u66f8\u304d\u8fbc\u307f\u00a0
\u3000\u3000\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u8a2d\u5b9a\u5909\u66f4\u3001\u4e0d\u6b63\u306a\u91d1\u92ad\u53d6\u5f15\u7b49

\u3000\u6ce8\u610f\u304c\u5fc5\u8981\u306a\u30b5\u30a4\u30c8
\u3000\u3000Cookie\u3092\u7528\u3044\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u7ba1\u7406
\u3000\u3000Basic\u8a8d\u8a3c
\u3000\u3000SSL\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u8a8d\u8a3c
\u3000\u3000\u30ed\u30b0\u30a4\u30f3\u5fc5\u9808\u51e6\u7406\uff08\u91d1\u92ad\u51e6\u7406\u3001\u7ba1\u7406\u753b\u9762\u3001\u4f1a\u54e1\u5c02\u7528\u30b5\u30a4\u30c8\u3001\u65e5\u8a18\u30b5\u30a4\u30c8\uff09

\u3000\u5bfe\u5fdc\u7b56
\u3000\u3000\u30fb\u983b\u7e41\u306b\u30d1\u30b9\u30ef\u30fc\u30c9\u8a8d\u8a3c\u3092\u8981\u6c42\u3059\u308b\u30fb\u30fb\u30fb\u64cd\u4f5c\u6027\u304c\u843d\u3061\u308b\u306e\u3067\u8a55\u5224\u304c\u60aa\u3044
\u3000\u3000\u30fbPOST\u30e1\u30bd\u30c3\u30c9\u306e\u300chidden\u30d1\u30e9\u30e1\u30fc\u30bf\u300d\u3092\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u751f\u6210\u3057\u3066\u4f7f\u7528\u3059\u308b
\u3000\u3000\u30fb\u51e6\u7406\u7d50\u679c\u3092\u4e8b\u524d\u767b\u9332\u5148\u306b\u9001\u308a\u8fd4\u3059\u30fb\u30fb\u30fb\u65e9\u3081\u306b\u5bfe\u7b56\u304c\u6253\u3066\u308b<\/p>\n\n\n\n

\uff15\uff0e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u306e\u4e0d\u5099\u3092\u7a81\u304f\u653b\u6483<\/strong><\/h4>\n\n\n\n

\u3000\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3092\u884c\u3046\u969b\u306e\u6ce8\u610f\u70b9
\u3000\u3000\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u3092\u7279\u5b9a\u306e\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306b\u306e\u307f\u4e0e\u3048\u308b\u3053\u3068\u3067\u306e\u898f\u5236\u306f
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