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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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http://www.alexa.com/  園Y憒銝憿  v# z9 ^5 _6 D) O; {; c

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source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {# ?4 I: f" y3 |( U
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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');
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  7.   }) Z3 }3 [6 _. m1 }; C, l0 v

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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {3 c+ N- @" Y. J5 h% o
  10.     $temp = $_SERVER['REQUEST_URI'];/ p: x& o0 ?% o: J# O
  11.   } elseif(empty ($_GET['formhash'])) {
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  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {- [3 J- l3 i1 p5 m
  14.     $temp = '';
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  17.   if(!empty($temp)) {0 @- _: h% S* x
  18.     $temp = strtoupper(urldecode(urldecode($temp)));: i  `7 W/ o/ L& N" \0 x
  19.     foreach ($check as $str) {: y4 F" t4 M+ V" ^9 U' A
  20.       if(strpos($temp, $str) !== false) {! \% H% I  A8 m- `. I( b
  21.       system_error('request_tainting');6 A1 d7 p# G0 W
  22.     }
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  23.   }
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  24.                 }
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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() {
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  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));: D% z" @1 f& p( K
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');
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  5.                 }4 {) h9 p. m! u( A
  6.                 return true;! o) d. h0 _& m2 J; u( g
  7.         }
銴鋆賭誨蝣

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