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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]

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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
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source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {# y2 V7 c& J+ D5 r" O; v( j% |
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');' _% ~6 }  v- F" }: r* h; J
  7.   }
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  8. " g+ G, G9 B8 c5 p  l* [% l( v: {
  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {  R6 s% L8 N/ G7 @% `/ ]% ~# u
  10.     $temp = $_SERVER['REQUEST_URI'];" l6 l/ Q- L2 e$ }, t. y) `+ l
  11.   } elseif(empty ($_GET['formhash'])) {" w* S; w' S3 C
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');- A) Y& @1 X' d6 J5 f( n
  13.   } else {. N0 r  m' n) T, G
  14.     $temp = '';# M/ _) ~; |9 l8 ]1 x# V6 ?
  15.   }; R* D8 N2 Z+ W. v+ a) X
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));9 A  e- X, `7 h3 \& e7 B' p
  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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  23.   }
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  26.                 return true;
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湔挾銴鋆賣:
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  1. private function _xss_check() {+ n6 S+ D* i8 b9 R% q
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));( t' h$ r6 f" ?
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {% Y# s% S2 q9 Z8 J8 U7 \7 l
  4.                         system_error('request_tainting');* P, z+ E. ~4 Z9 e7 j, q& ?
  5.                 }8 S$ n3 q# o, D* B0 \5 K
  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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