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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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+ [* y. w2 J3 K  x7 {" B" o" D; Nhttp://www.alexa.com/  園Y憒銝憿5 C: L; @# L: A; o! f

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. Q* |  Y& D) T( c閫瘙箸寞憒銝:
+ `, V  O6 X. csource\class\discuzdiscuz_application.php曉& N; W" c% V# I4 F
  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');" h, A6 S" C) T+ @$ m; U: j
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');
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  7.   }4 f) i& l: o$ @- r; C$ I7 W4 I  G

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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {, f* L* J) `. j6 T3 x9 P" D
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {" S1 t/ p8 Q2 c. Z: t
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {
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  14.     $temp = '';
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  15.   }$ t: ?7 S) ?  l3 l6 X

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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {6 W7 A, y" W; A+ A# I' h
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');0 n2 H  j7 B4 {" {
  22.     }
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  24.                 }# F4 X% A0 W7 |; U  ^+ o. f

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  26.                 return true;
銴鋆賭誨蝣
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  1. private function _xss_check() {
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  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));% l. \. S2 C. m. V
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {) ?  F& S6 _! X+ a$ V8 c
  4.                         system_error('request_tainting');
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  5.                 }; A/ j7 x/ k: i: G# g7 n: L5 X
  6.                 return true;4 I0 y6 o' s2 N. w& x9 p
  7.         }
銴鋆賭誨蝣

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