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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]

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頝唾唳摰璅撅
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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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) y8 m) e' T% G: e. i+ Ahttp://www.alexa.com/  園Y憒銝憿1 @9 |. g3 U( j& R
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閫瘙箸寞憒銝:% Z# T/ ^5 y1 L+ m8 X2 O
source\class\discuzdiscuz_application.php曉2 |4 U4 Z2 J, f5 I
  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');8 l6 u) C& z3 N% J  g9 Q

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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {, T3 B/ Z8 B4 d5 [0 A* G
  6.     system_error('request_tainting');
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  9.   if($_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');0 `* X  k8 _! k& Q
  13.   } else {; O8 _3 Z" J. B, H
  14.     $temp = '';
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  15.   }9 W3 g. o, W; d

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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 $str) {
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  20.       if(strpos($temp, $str) !== false) {- q' V5 s) G3 o& \5 u) V# X
  21.       system_error('request_tainting');
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  22.     }
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  23.   }
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  26.                 return true;
銴鋆賭誨蝣
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  1. private function _xss_check() {
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  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));: B4 `( T. A6 t2 j" O& ^9 y
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');
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  5.                 }  i/ ~6 v( ~- x( t6 y* \' O
  6.                 return true;' f; U$ F( @* ^( b# t" n
  7.         }
銴鋆賭誨蝣

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