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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 0 o) X' H5 J9 o. n' T$ K

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閫瘙箸寞憒銝:
- x( C! i+ M; ^2 v; esource\class\discuzdiscuz_application.php曉9 D( U4 \6 s$ u( W
  1. private function _xss_check() {- ]- g0 C4 ~7 H+ Z  l
  2.   C5 h0 M+ A$ k6 M3 x2 x
  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');' F; s% e; r* H# G) f) B6 ^" e" S0 Z' `
  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {# k/ ]/ T( q  [" o
  10.     $temp = $_SERVER['REQUEST_URI'];# z5 e% x" R9 c. |7 |' X" N+ p3 d
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {1 w  u! o( V4 c" c! S
  14.     $temp = '';  j) M4 x' z) @/ ]5 m
  15.   }
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  16.   ]9 r5 k* \; o$ S7 S- ^
  17.   if(!empty($temp)) {, f2 A& j2 n: z3 y$ o& Y
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {: w8 [6 M8 R( E6 y' ~
  20.       if(strpos($temp, $str) !== false) {4 W0 h7 V( O% i4 D
  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() {( A& |3 o* i* [
  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) {" p  k9 {- j+ K) ~5 ?' Z. V0 v
  4.                         system_error('request_tainting');
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  5.                 }
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  6.                 return true;, @7 @/ M% i9 S
  7.         }
銴鋆賭誨蝣
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