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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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http://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:7 w5 L0 N. Y8 E+ h
source\class\discuzdiscuz_application.php曉4 `' t$ ?1 _$ l
  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']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');
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  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {$ S' O# ~, ]; z; \
  10.     $temp = $_SERVER['REQUEST_URI'];% o' }9 j( `* o9 d) S
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {* @" H% p/ Q4 q' q
  14.     $temp = '';  H1 D1 a* C; g& R% b+ A# I+ r1 h
  15.   }
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  16. 7 ?* x  I# d" ^9 `
  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {; [* L) [7 w8 b6 I" ?
  20.       if(strpos($temp, $str) !== false) {: J) v; e9 f! l
  21.       system_error('request_tainting');
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  22.     }
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  23.   }
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  24.                 }) _, I+ G( y. }$ G8 ], L* T

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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() {8 y$ K0 U  W# k% F, V
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));9 V. a% v6 ~6 F* I
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {& Y: S5 F. c) `* x4 P
  4.                         system_error('request_tainting');
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  5.                 }7 ^# h& l' U$ k! |; m( j' @
  6.                 return true;/ m% j% V0 g9 a: |) \/ C# k
  7.         }
銴鋆賭誨蝣
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