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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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閫瘙箸寞憒銝:
7 a  U7 ^' o* x9 a3 \; bsource\class\discuzdiscuz_application.php曉# s$ O3 e! d4 f7 H7 J
  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']) && $_GET['formhash'] !== formhash()) {/ X1 A! u5 v+ z: p& K- Z/ Z" {$ ^
  6.     system_error('request_tainting');
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  7.   }" s. p  @0 I, ]! F! G8 s( y

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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {1 [6 U* z: s/ c3 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');" D( s) F. H3 R
  13.   } else {" M: ~- [8 }' t* d9 ~3 L- ?
  14.     $temp = '';+ L  D$ S& W1 W# A
  15.   }" Y/ k6 l3 E& R. D% L: o  m

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  17.   if(!empty($temp)) {$ _* j  s0 p: |) V
  18.     $temp = strtoupper(urldecode(urldecode($temp)));8 g6 l! z* Y/ h# M7 c
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');3 E" c- D$ Z' z
  22.     }
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  23.   }
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  24.                 }) O7 S! [; R4 T% b* i( }; S- Q

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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() {6 o$ h+ ?5 [) M& N
  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');
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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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