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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
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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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8 C9 }% T. T2 i- S# Dhttp://www.alexa.com/  園Y憒銝憿
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7 M+ @1 s+ {4 ^; w' O閫瘙箸寞憒銝:3 F* t+ R) Y4 t1 y/ u" u* ~
source\class\discuzdiscuz_application.php曉; T0 O9 u5 T3 q  \9 B( g
  1. private function _xss_check() {5 J: T3 L1 X: @! H" ~

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');4 c  V8 L1 @: t* p7 c
  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];( b" B% G0 N% J) m7 Q! n5 \
  11.   } elseif(empty ($_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.     $temp = '';
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  15.   }
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  17.   if(!empty($temp)) {8 \5 [: x% Y5 T. v
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {* Q( l( p+ q  j" p0 |
  20.       if(strpos($temp, $str) !== false) {4 ~/ x" S: }+ Y
  21.       system_error('request_tainting');
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  22.     }
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  23.   }: q" F$ W& v, n+ d& {
  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'])));+ b! h0 z0 q- A& Z# @% K
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {5 |7 i7 T! N) [6 a  t
  4.                         system_error('request_tainting');% d3 |7 F# U# I$ `& @6 ]
  5.                 }
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  6.                 return true;4 B& ]2 \4 r2 Q$ _4 @
  7.         }
銴鋆賭誨蝣
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