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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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source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');. V( ~, I! f" h  _* j
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');" U  ?9 U- T3 v% b9 _
  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];- {& J* M) Q/ }3 j
  11.   } elseif(empty ($_GET['formhash'])) {$ X+ k! j% i  N1 ]7 s/ T1 H8 u
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');; _* f6 n" D* P" t2 z
  13.   } else {( d( ?/ x! H; k, R7 |2 Z
  14.     $temp = '';6 V$ S2 Q  }! I) s1 e, S
  15.   }2 A  L/ z4 j, m. r, q7 a" e

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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));( h2 g* J( @  C# T$ P4 X; @% h+ i
  19.     foreach ($check as $str) {$ t# L. W6 S# Q4 y
  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'])));7 G6 D  ~& i( M& T# a" R
  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.                 }, B) |" x. _5 m
  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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