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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 1 j2 ~' K: q$ B( [

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9 v# F% X' V8 D0 }http://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:
. p( b6 k5 b3 C- U  _. bsource\class\discuzdiscuz_application.php曉! k) w+ W+ H6 g  _* c
  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()) {& N" M3 W. f5 b
  6.     system_error('request_tainting');
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  7.   }1 w" @* o8 [# ]- C1 d4 _5 F

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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {. ]6 L- @" d! W
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {% S; u$ F! ], X6 N7 S
  14.     $temp = '';* r. {4 E% H) `, G
  15.   }
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {! F' K: R5 {8 |# G+ v) Q/ m
  20.       if(strpos($temp, $str) !== false) {- ], d8 Y: }5 v* E" w1 C8 ^( k
  21.       system_error('request_tainting');
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  22.     }
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  23.   }
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  24.                 }, a+ ^7 `. j9 p

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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() {' e: V) x  w% _
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));1 ^) u6 t( V1 K& ^
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');" i9 I0 L- n/ W5 @# n! k6 X1 h8 z
  5.                 }' ?4 y- h* H* f$ V  n
  6.                 return true;
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  7.         }
銴鋆賭誨蝣
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