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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 " O6 @. A: a8 y  {
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http://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:, D9 [, a' e% O* g7 y
source\class\discuzdiscuz_application.php曉6 B/ o' i. E: n+ R9 Y6 z: h
  1. private function _xss_check() {# Q, [1 a1 A  W- O  u' s

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');$ J& Q1 n, A3 D& X* t
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');4 V$ r6 f( |8 Q- X
  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {7 c8 e: H8 q7 R% C
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {' H! f8 o: ?+ H' x5 j% g
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');# `9 {; }" {. [! L8 p6 X1 t
  13.   } else {
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  14.     $temp = '';
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  15.   }
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));* q# h. a& Y" ~3 J5 D
  19.     foreach ($check as $str) {+ u5 S3 O8 k6 `' g5 A6 E  p
  20.       if(strpos($temp, $str) !== false) {9 Z' a& d) D  m- s: _
  21.       system_error('request_tainting');0 i, J3 ~0 j" l8 y7 P5 t. B6 S
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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() {
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  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));" l# p2 |5 c" M; c/ v  i! s8 k4 |9 t
  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.                 }8 c% F# U' A* ?) o% k, C& I8 f
  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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