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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 . m" r& B4 O" C5 }' |+ [
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http://www.alexa.com/  園Y憒銝憿% U( ~) Z1 ^+ G% ^- d
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source\class\discuzdiscuz_application.php曉2 K( c8 ]( c8 R1 ~. |  R7 m: x
  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']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');
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  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {& e! v- d6 U7 i$ r7 M
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');- c# |( c# e1 i9 q( [6 e/ T
  13.   } else {) T& D1 g- n% i: q3 A
  14.     $temp = '';
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  15.   }. `- B- q* B: N/ V/ z  S
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  17.   if(!empty($temp)) {* c# I$ ^# S3 x
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {. y7 R. q5 X8 h4 b1 @; \: {
  20.       if(strpos($temp, $str) !== false) {4 L- R/ W) n1 z& h+ Y* X/ p% u, X
  21.       system_error('request_tainting');
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  23.   }
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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() {! K* e2 X1 N% R' W5 t
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {" P5 u% {$ A9 c2 B6 H: s# a5 T
  4.                         system_error('request_tainting');: W5 _* U: D, r; {: s& a6 }
  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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