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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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" G! B" T/ j: khttp://www.alexa.com/  園Y憒銝憿
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source\class\discuzdiscuz_application.php曉2 i( j2 O" d: E- ~3 j! q
  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');! x9 t) S; D  B. N* W4 j) {4 T

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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.   }; L7 A& u( ~8 G' c+ n' X

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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {  v; Q! s* e2 r" x) n5 p2 Z- E1 v
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {  z$ I0 e- E: \; ~4 x
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {3 _% @3 l) X; u3 Z) k
  14.     $temp = '';
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  15.   }
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  17.   if(!empty($temp)) {+ U. |0 S! q5 b" J# H$ J
  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {# u) Y) ^* v5 J2 A& v0 Y! W
  20.       if(strpos($temp, $str) !== false) {/ D7 k/ @7 I' C+ n
  21.       system_error('request_tainting');" s  {7 y9 P" |2 o- V7 \
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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'])));& q: w8 `* u" d' C
  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.                 }
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  6.                 return true;
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  7.         }
銴鋆賭誨蝣

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