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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 |甇摨閬 |梯璅∪
砍敺 IT_man 2015-7-19 20:51 蝺刻摩 % N+ h( L: Z5 E  Z) B

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http://www.alexa.com/  園Y憒銝憿  ^2 }, Z9 G- q9 m( h( B5 ]

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! G9 F/ j6 I* Z( R閫瘙箸寞憒銝:
& L2 k& l2 R8 Rsource\class\discuzdiscuz_application.php曉( W2 E. n- }% V4 L; \
  1. private function _xss_check() {7 A: d1 N) ~& P
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');9 B1 j! a2 G/ ^) V5 f

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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');
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  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {  s" N" p4 _, V6 N% \3 o
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');; P7 |8 U1 p( H6 k: n, K, ~5 h4 D
  13.   } else {
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  14.     $temp = '';
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  17.   if(!empty($temp)) {# D: Y0 e" k% @; Z  C. |
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {. k: \6 O+ w" q' N8 i
  20.       if(strpos($temp, $str) !== false) {! }" P. ]2 _) H7 t2 D* x6 n
  21.       system_error('request_tainting');: G5 G) @9 o: O
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  23.   }
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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() {
    ' {- k- F3 ^. a9 ?4 U
  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) {
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  4.                         system_error('request_tainting');0 `. t( O: w+ c! E% i
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  6.                 return true;) S9 i5 G# s# J  E5 G% r; d
  7.         }
銴鋆賭誨蝣
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