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November 5, 2015 08:01
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パーフェクトPHP ディレクトリトラバーサル
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<?php | |
/** | |
* このプログラムは脆弱性のサンプルです。 | |
* 公開サーバに設置しないで下さい | |
*/ | |
if (isset($_GET['file']) === true && $_GET['file'] !== '') { | |
// GET変数で指定されたファイルが /var/www/html に存在すれば内容を出力 | |
$file = '/var/www/html/' .$_GET['file']; | |
if (file_exists($file) === true) { | |
readfile($file); | |
} | |
} | |
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