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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 0 I7 W2 \2 o+ }: n) ?# i% c( c- P
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# k, E2 |0 S7 D+ Thttp://www.alexa.com/  園Y憒銝憿# ?: o0 _" y/ J6 F& L, @4 E' c

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閫瘙箸寞憒銝:2 _0 R, Y+ R  T0 @/ T( C
source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {
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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {2 ^5 H: `0 Q: q' B: p
  6.     system_error('request_tainting');
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  7.   }
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  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];5 Z7 O# ~% e6 g; U
  11.   } elseif(empty ($_GET['formhash'])) {0 b- W1 S. s3 c$ [8 s+ ]$ i
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');3 W# B4 L7 Q- S: G0 u
  13.   } else {
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  14.     $temp = '';
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  17.   if(!empty($temp)) {
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  18.     $temp = strtoupper(urldecode(urldecode($temp)));
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  19.     foreach ($check as $str) {4 |  }7 b$ \4 z* w2 G2 m6 L, C" E% @% d
  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');
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  22.     }
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  24.                 }% Y" o( }8 T2 L8 E. ?" b/ a
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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() {! t' i8 o7 |) h
  2.                 $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));( ~  h/ b6 n0 m' [+ ]
  3.                 if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
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  4.                         system_error('request_tainting');0 J' s. {5 t# E% q/ b  b, r( B. e
  5.                 }, S) W: g" P8 a# F4 D1 L
  6.                 return true;
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  7.         }
銴鋆賭誨蝣
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