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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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# D2 h) o3 ^( E0 a1 f, c, U& C閫瘙箸寞憒銝:
+ [) b; i/ Q8 a; O4 R5 Vsource\class\discuzdiscuz_application.php曉; E5 J" }6 x( A( y; N; g
  1. private function _xss_check() {1 Q* ]  Q( q3 ^, \' ^8 O# u
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {+ H% R* G7 f) m4 f6 y
  6.     system_error('request_tainting');( y% T( H6 f" _, j3 u
  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {* w  k! q, j9 [, |( t  @/ D
  10.     $temp = $_SERVER['REQUEST_URI'];: q  Y7 h# [6 {: v0 j5 ?+ [' {  d' G0 H
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');7 ^. ~" F. A! z' d: A
  13.   } else {
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  14.     $temp = '';( H1 P" W+ _3 n. _/ f; m3 r
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {4 o/ Z2 N5 X5 z  j  o$ i" N
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');
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  22.     }
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  24.                 }$ S3 f( W, d8 j7 H. V: I
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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() {
    % i% s) |7 z. i' O$ @
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));: L3 t0 g/ }, E3 s
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {4 B; ~  G. ?" ?! U5 t5 M* W3 [
  4.                         system_error('request_tainting');! ^4 b4 S/ L' ~
  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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