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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
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3 j, n7 f1 n) _. p* Z4 a6 ihttp://www.alexa.com/  園Y憒銝憿- e$ \0 [& i- ~2 G9 E% F( L8 e' v1 J

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source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {
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  2. 2 A* v1 ^7 y3 ]2 i4 V8 }
  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  4. 6 v  T! L# j% i7 `# o" x
  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {; e) |/ p; p: I9 R9 H
  6.     system_error('request_tainting');
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {7 {) T- |" U, ~* N
  10.     $temp = $_SERVER['REQUEST_URI'];7 o4 {/ u8 w6 I9 l* A6 Y
  11.   } elseif(empty ($_GET['formhash'])) {* o+ o8 U5 p2 x! X
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {# O. s( K: U: N9 \% N+ r/ ?- F
  14.     $temp = '';5 Y/ \5 T; L3 J* _' p, k& P
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));( j3 V2 `( b; U4 c
  19.     foreach ($check as $str) {1 ?( T; \% n, x) ^
  20.       if(strpos($temp, $str) !== false) {! ^' y" X2 q6 D0 ?5 G( m" O
  21.       system_error('request_tainting');
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  22.     }
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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() {
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  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
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  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');( y3 j* j" X$ X# r1 a- Y6 y  a8 ?
  5.                 }
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  6.                 return true;8 Q+ z- ~1 k  P6 x
  7.         }
銴鋆賭誨蝣

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