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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 7 [3 b3 O! U! F/ {9 i

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, _4 z. [2 _1 o( ~0 ]2 Vhttp://www.alexa.com/  園Y憒銝憿9 I5 G( k0 e* ?& @1 i0 {# S5 l

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source\class\discuzdiscuz_application.php曉# a5 B% D; F; f( Z7 |7 c2 a
  1. private function _xss_check() {3 k. F4 ~$ k( W& A" ^7 h4 \& {8 C
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');! c. X) w' X6 s( f4 K9 o
  4. ; X. u! j  r! v+ N$ Z
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {! k" y4 j, _. d8 i7 a
  6.     system_error('request_tainting');0 E3 Y# y0 {* p+ q
  7.   }
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  8. ' s! }" d7 F& x) A5 k
  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {' J3 I3 Z5 e, ~; S+ p
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');; q% e0 O1 n1 S$ B  _
  13.   } else {5 w  u' w/ n, L  V5 z
  14.     $temp = '';
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  15.   }
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  16. ( P7 G$ P) G# r4 Z. C; C$ {
  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {8 ?% D" w8 v/ |5 E: u/ o
  21.       system_error('request_tainting');
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  23.   }
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  24.                 }( X+ I! P3 w6 v
  25. 0 _. r3 i" ~; `2 B
  26.                 return true;
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湔挾銴鋆賣:

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  1. private function _xss_check() {
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  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));) }3 Q& n: R- z: v& @
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');; U2 Q+ O$ y  h- M- Q9 C
  5.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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