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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 & \: R9 S$ S9 |' n6 E$ f- C* W
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http://www.alexa.com/  園Y憒銝憿0 _. i  z8 f% J7 b, D
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閫瘙箸寞憒銝:
( `) S5 u1 {/ Y" m4 n: d- W# Ssource\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');$ \$ k1 I+ P' V3 l9 }; l) c
  7.   }$ q! O/ `2 ?( J* |

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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];" e7 h; z: g9 F+ i9 G
  11.   } elseif(empty ($_GET['formhash'])) {$ N  R& b' n0 W9 M0 G. K
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {
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  14.     $temp = '';
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  17.   if(!empty($temp)) {2 @. b& @8 \  H0 J* ^0 N
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {3 P9 c" |. n4 Y- A7 E, ^' M
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');
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  24.                 }2 X+ g* g! Y0 e, W, B

  25. 8 f' C0 Q# s7 r2 {
  26.                 return true;
銴鋆賭誨蝣
湔挾銴鋆賣:
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  1. private function _xss_check() {- {- \: c+ r% j( `$ u
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));: O8 C) b' ^, t; e( K/ b/ a
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {2 j; ^9 @" ~* d  D# ]
  4.                         system_error('request_tainting');" d# _- o* N# r3 F
  5.                 }( C0 v6 y* }% Q) i
  6.                 return true;& G8 s, G0 k6 {: @5 t$ b
  7.         }
銴鋆賭誨蝣

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