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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 2 z7 j# l2 j9 P$ E, V, K, [- {

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http://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:: y8 U% `$ P( \- o$ K
source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');9 B2 f2 E8 f  `9 f
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {/ D  L6 O* L( S/ W, u2 e( p+ ^1 I
  6.     system_error('request_tainting');
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {2 ]/ {) e4 f" A( ]6 D
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {  L7 h- _; y( w; b
  14.     $temp = '';3 M0 P# |, J* O, c' R
  15.   }
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));6 F6 W+ p2 M1 {! J! D
  19.     foreach ($check as $str) {, n3 a+ ]1 q1 T
  20.       if(strpos($temp, $str) !== false) {- N! F; b; ]' \& L& g& q" B4 A
  21.       system_error('request_tainting');
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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'])));
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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;6 e: k: k6 f! S7 ]
  7.         }
銴鋆賭誨蝣

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