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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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# k+ }" r3 K9 u6 Z# S( z1 Ahttp://www.alexa.com/  園Y憒銝憿
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閫瘙箸寞憒銝:6 O. m4 J8 P" m" C5 f6 h, W
source\class\discuzdiscuz_application.php曉4 q" f4 ]/ @  D' ~
  1. private function _xss_check() {, \4 }( m4 ^, ^0 I) R

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {7 X+ t* N; z- _% ]) I& }
  6.     system_error('request_tainting');
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  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {# J9 J5 C' y4 ]
  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {6 {  I' F. w+ y: M5 o9 ]
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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  13.   } else {1 T- N9 }/ @/ A1 Y( L
  14.     $temp = '';
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  17.   if(!empty($temp)) {( P: @# ~1 q" [6 t' S( k
  18.     $temp = strtoupper(urldecode(urldecode($temp)));0 ]) Y: l9 g2 h, V$ W) `
  19.     foreach ($check as $str) {) ^, H' d- ^# o, g
  20.       if(strpos($temp, $str) !== false) {8 I" H4 L5 b& W$ d. ]$ Y. b# b
  21.       system_error('request_tainting');( E7 I( ~5 b' s; G  B
  22.     }) b; a  P, L8 D6 O! B  ^, i2 K" k
  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'])));
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  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {, ?9 b. B7 S; J) a; H
  4.                         system_error('request_tainting');2 @# {! {+ d, W! H; n- a3 q
  5.                 }
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  6.                 return true;# f. d& g8 Y" F
  7.         }
銴鋆賭誨蝣

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