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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 ' c: j- N2 }. H5 c! u

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, _: M- x7 x4 M* ?7 b" c+ _  Q* Ghttp://www.alexa.com/  園Y憒銝憿* A6 ]/ ]! Q) e) `

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閫瘙箸寞憒銝:
2 C7 `. e! r; psource\class\discuzdiscuz_application.php曉; ?" m  k- f, A; S
  1. private function _xss_check() {9 \- F8 ^2 r3 w  Q  H

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');& F$ d" d8 o8 {) \0 V
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {# j- A; Y& ^' _1 K4 t  l2 b0 J1 H
  6.     system_error('request_tainting');
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  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];3 p. y0 F3 F& A3 ~" o
  11.   } elseif(empty ($_GET['formhash'])) {- N6 I% p! C3 }8 e* B
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');4 \7 _$ I2 K3 X% N4 ~% D# M; n
  13.   } else {3 M7 `$ h$ k  j: c7 \* k, h) k
  14.     $temp = '';. M9 u% C% \9 _- y' V7 I
  15.   }; Z' p" k$ Y) f3 Q. T7 L% I

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  17.   if(!empty($temp)) {7 X$ V2 W: P  I6 `+ U5 N
  18.     $temp = strtoupper(urldecode(urldecode($temp)));" U% t: y( Q2 |* n+ ~( ]* w
  19.     foreach ($check as $str) {/ |0 h0 }, g  y1 L' V
  20.       if(strpos($temp, $str) !== false) {- J$ s+ `9 N! Q" `6 T
  21.       system_error('request_tainting');1 D, M0 [: a) K3 y
  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() {' b( @5 @1 w' P/ p
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));; Q' f) O* R7 l, ^1 C  ]5 O
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');9 Y+ x  K. ~( R8 g; _
  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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