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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( w/ ~: v' a% W
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- J# D' Y$ G* o% L" u" R閫瘙箸寞憒銝:
& n& D) U, m5 A8 u# r! W3 A9 ^* ysource\class\discuzdiscuz_application.php曉! I+ q1 P, ~" l) i# |) [
  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']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');3 ]% v* p' ~6 }6 s! A% L
  7.   }
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  8. # E# S& s% P. _
  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {+ k1 E1 I) C# i8 f  m) n* M; Y
  10.     $temp = $_SERVER['REQUEST_URI'];# ^9 O# f6 i% C( B7 l/ h: n( |2 P
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {2 @$ T% f9 ]& r6 v: ]0 O
  14.     $temp = '';
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  15.   }% f- |; s) J" C  L; Z6 [- m* {

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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 $str) {7 f& p4 g# E5 _  z  A
  20.       if(strpos($temp, $str) !== false) {% I& x3 ]! ]! x, Q$ ?. W4 U
  21.       system_error('request_tainting');+ d6 U" Q& i- s$ R
  22.     }
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  23.   }' C1 W+ a7 b8 y; H4 z
  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'])));) H' J. ]  d$ j  l5 W  e
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {  T- U3 A7 S9 x" Q. k% x+ v
  4.                         system_error('request_tainting');! g; u9 t) N# h8 c9 ~
  5.                 }+ Y/ D# G0 V$ K" r% N# K
  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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