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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
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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& ]5 y: J1 @3 i; l8 J# Z9 G% h; G; T$ N

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, ?: l, ~- P, f閫瘙箸寞憒銝:' D( |* U& H& a( p* w
source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {* e1 t" c, m# e' z1 X5 f. F

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {& U& \0 w9 d5 V; A5 U3 ^3 \! F0 P
  6.     system_error('request_tainting');
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  7.   }( S! Q7 h. G3 A  {, V. n

  8. ( z- {) `# N8 D* Q6 {
  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');0 @( F6 W) I# [
  13.   } else {
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  14.     $temp = '';
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  15.   }
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  17.   if(!empty($temp)) {7 X% x4 t* X' C1 \% \, |7 u
  18.     $temp = strtoupper(urldecode(urldecode($temp)));: H, N7 b; e7 W. g
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');$ v* X; U" B6 t' _
  22.     }
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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() {! E8 |* p2 T  l& K
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {$ I  w3 y0 ~* ]1 j5 y
  4.                         system_error('request_tainting');$ w$ }8 j3 P# J% V: x. K
  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣
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