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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5 O- U9 I: Q, {5 W+ A2 A
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9 c# D% E* U0 h# O1 F閫瘙箸寞憒銝:
7 L; T7 y7 K' ^1 V9 b$ Hsource\class\discuzdiscuz_application.php曉$ r. g% B' s9 Z4 F- m9 ?3 C
  1. private function _xss_check() {# s( U# Y/ s) @' @6 h' u

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  4. 4 Q9 C! o; u3 I; ]
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {4 G0 K6 q1 \+ I+ Z0 q
  6.     system_error('request_tainting');
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  7.   }4 X. O8 i  S, s/ Y( \2 S% \% y' j

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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {* L0 F9 H+ e" r3 H
  10.     $temp = $_SERVER['REQUEST_URI'];' f7 D+ i3 u8 @/ F3 [
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {
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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)));# @" B) e5 Y. E) F
  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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  22.     }
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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() {7 O5 v0 G) A7 i0 S( X" `
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {: C* G0 k$ r0 U/ E: d% g8 r/ ]( f
  4.                         system_error('request_tainting');: p4 F+ ]! P6 Z$ y
  5.                 }; V9 g- M, i4 R5 [$ w& k
  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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