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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 % i! n7 a' e* n/ g
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9 }. O* i! d0 s" j  V& ^http://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:
: X9 x$ E2 Q* P1 d1 {source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {# K: A) e5 K5 i' {$ S
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');0 b7 h  k( K" Z. @: X5 k# s  w% y" c
  4. : a. n/ k7 c  }0 G
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {. O' ?; k0 v5 O4 T0 e1 {
  6.     system_error('request_tainting');6 V9 W5 c) \# u3 Y0 g: A: j
  7.   }7 U5 j# N! M% O
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');. v8 ]. y# a/ C- ~
  13.   } else {6 C8 i$ z' P7 l
  14.     $temp = '';8 [4 M) }9 s+ s
  15.   }
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));  A1 b. r; W. _6 R
  19.     foreach ($check as $str) {/ U, x. }& y: O, w- S
  20.       if(strpos($temp, $str) !== false) {3 c& ]5 k1 Y  b7 T$ p
  21.       system_error('request_tainting');
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  22.     }
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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() {0 m6 O. H. B, F. a& N! z
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));0 y+ `; W* Z; S2 g
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');
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  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣
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