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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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閫瘙箸寞憒銝:
. h+ Q' ]7 L. B1 c1 `7 Wsource\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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  4. . I% ?4 Q6 \( C( A5 Q
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {! ?6 @2 O3 Z( x$ U: ^
  6.     system_error('request_tainting');4 p' l/ u' ~% t. _% D/ M
  7.   }
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  8. # A$ f' ~9 Z2 V; x  I3 B$ W8 N$ ^, V
  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];& h. l3 W" J' J4 t$ S* I
  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.     $temp = '';
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  15.   }
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  16. * Q, Z9 ~. r0 h7 u' Y+ ]9 D# X; y
  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));6 b# H- m2 L: m8 n( }
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');) t" B2 v8 J: C- _+ }" y. ~
  22.     }
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  23.   }
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  24.                 }
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  25. 6 q# _- G2 y0 O1 j* z# N
  26.                 return true;
銴鋆賭誨蝣
湔挾銴鋆賣:

: R  ]* h& w% A
  1. private function _xss_check() {2 S) R4 [4 n6 A: P" T) s
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));  \) x- ]# x3 m6 L0 r, A
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');2 O, f; T  k8 k/ x
  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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