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[Discuz X3.2] Discuz! System Error---函嗅閮芸隢瘙嗡葉急瘜摮蝚佗撌脩鋡怎頂蝯望蝯[2撘萄]

[銴鋆賡包
頝唾唳摰璅撅
璅銝
潸” 2015-7-19 20:45:45 | 芰閰脖 |芰憭批 撣 |摨閬 |梯璅∪
砍敺 IT_man 2015-7-19 20:51 蝺刻摩
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http://www.alexa.com/  園Y憒銝憿
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source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {$ q7 p/ j. e& q, X: w! y1 w+ N; v
  6.     system_error('request_tainting');
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];/ E+ y9 W& p6 ?
  11.   } elseif(empty ($_GET['formhash'])) {5 i* m' Z  I4 k6 Y
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {
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  14.     $temp = '';& J* j8 f' k+ X1 t
  15.   }
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  17.   if(!empty($temp)) {  [. ]: \4 z4 }& x5 Q
  18.     $temp = strtoupper(urldecode(urldecode($temp)));: [  K! m- ^* u+ [7 s  O# @
  19.     foreach ($check as $str) {7 `6 G# ~; `8 b
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');
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  22.     }
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  23.   }
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  24.                 }# q. o1 V* W6 M% G& S% B% I

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  26.                 return true;
銴鋆賭誨蝣
湔挾銴鋆賣:
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  1. private function _xss_check() {
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  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));; Y3 @5 Q4 L  z
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {- b1 L# Z4 K1 V
  4.                         system_error('request_tainting');  _6 y8 i, {; p& x  U. }
  5.                 }
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  6.                 return true;/ ]8 ^, O9 P" ?- |
  7.         }
銴鋆賭誨蝣
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