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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 # r3 b, N' D+ {) v! m8 M9 W& C4 O
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6 @2 A0 V0 G3 G6 B- {7 }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']) && $_GET['formhash'] !== formhash()) {& R$ I5 B" ]0 h  }! b) D2 \
  6.     system_error('request_tainting');6 R, U  Q; Y5 ]0 f0 A) P3 y
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];- V  L. q0 i0 W' o
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {7 ?/ X1 m  W9 ?  Q
  14.     $temp = '';
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  15.   }
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  17.   if(!empty($temp)) {% L4 P% T, ^  _" A9 }
  18.     $temp = strtoupper(urldecode(urldecode($temp)));  E* M, x- `4 R4 q/ ?5 N& U
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {) A# r4 g9 L: Q. e; e7 D
  21.       system_error('request_tainting');
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  23.   }
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  24.                 }
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  25. % ^- m! y- d5 j" \  d) q7 z# ]
  26.                 return true;
銴鋆賭誨蝣
湔挾銴鋆賣:

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  1. private function _xss_check() {) ]  z9 h6 g- R! k7 b0 |+ ]# v
  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');0 Z& [0 _# e1 {' V
  5.                 }
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  6.                 return true;2 r2 Z9 Q5 y3 C* z# Y( Z2 G
  7.         }
銴鋆賭誨蝣

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