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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 . D, V  e1 t, c

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http://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:1 j" _- J8 [- X! @) Z5 z
source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');! z1 N, U1 `: g5 W
  4. 1 B9 Q9 _' v( ^9 O% T
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {% C) W$ E! D$ n: n2 J/ Z
  6.     system_error('request_tainting');# z" R  D6 w" g7 B$ k) Q
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {* Z2 e* M6 W  J' f% L" c, L2 u
  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');
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  13.   } else {
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  14.     $temp = '';
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  15.   }
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');
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  23.   }
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  24.                 }
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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'])));% r8 c8 A# [2 k1 t% Q# [3 e9 J2 g
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');; r$ A% u& H; b" r2 x9 t; B) y) `
  5.                 }1 K# Z: a' ~) I( x6 T0 q
  6.                 return true;. K) S" h1 M/ Q
  7.         }
銴鋆賭誨蝣
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