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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
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閫瘙箸寞憒銝:8 a6 I* o9 D$ ]* J* F: M* s
source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {; I" ~  a" K2 I' |" A8 f: o; k  |8 R

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');! z, E+ A) E1 I; R! j  h1 ~

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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');4 U- C, [3 n9 k7 U& d
  7.   }
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  9.   if($_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');  H5 G: z: v3 {( q3 |, i
  13.   } else {
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  14.     $temp = '';) h5 |5 e5 A% ?; N; B) ]6 _* @
  15.   }
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  16.   f3 Y" T/ ]2 L6 P' i
  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));2 u! S( J$ h% Q7 K
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');
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  23.   }
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  24.                 }6 m4 M( H' c: L

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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');, [5 j; C* i0 x! b! z8 w
  5.                 }. W- M  U5 q- F7 j  `6 h  B7 n+ {
  6.                 return true;. `2 b0 g4 {  I" {2 T
  7.         }
銴鋆賭誨蝣
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