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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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/ n# I6 z. A8 I2 h: _http://www.alexa.com/  園Y憒銝憿
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5 U/ I2 |0 G7 [閫瘙箸寞憒銝:4 Q  k/ W2 i, C' ?8 ~
source\class\discuzdiscuz_application.php曉+ H/ t. f" m9 p$ L
  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');, P+ H; Z% c! L

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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {/ j4 s6 D! f+ m3 X
  6.     system_error('request_tainting');
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {* O' Q+ X9 B% W% H) t
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {
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  14.     $temp = '';* [7 \1 u) y& I
  15.   }
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));" s5 o$ g3 I8 Z) T+ h
  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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  22.     }
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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'])));
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  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');4 I; m9 m6 U+ R* I
  5.                 }' r3 |4 k6 I: z4 H! o0 I. P
  6.                 return true;* B( i0 R, ^- A% U
  7.         }
銴鋆賭誨蝣

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