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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 5 W0 h1 D! _( U) i; M- q2 G( p

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( Y# N7 L, z" ?http://www.alexa.com/  園Y憒銝憿( W6 N2 U, Y5 k  X' e" Y; n
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閫瘙箸寞憒銝:
* v7 L, ^2 s. l1 ]2 M9 k, ^$ G; [source\class\discuzdiscuz_application.php曉
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  1. private function _xss_check() {: d$ Y$ `0 v8 A7 v

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  3.   static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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  5.   if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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  6.     system_error('request_tainting');" l2 x/ L0 b. s; y8 J
  7.   }
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  8. , Y: N% C: {0 R' j9 {
  9.   if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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  10.     $temp = $_SERVER['REQUEST_URI'];
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  11.   } elseif(empty ($_GET['formhash'])) {( e" |  q, i# i
  12.     $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');$ }/ ^  m. T. g; q  R
  13.   } else {4 O1 u# a7 R  \: [: C& W- s
  14.     $temp = '';! g; W4 m6 I* Q! e
  15.   }  S2 a; u9 H; B

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  17.   if(!empty($temp)) {9 @" y: \% S5 X: ~* o# ?
  18.     $temp = strtoupper(urldecode(urldecode($temp)));$ \8 U* C# `% ~# {; t
  19.     foreach ($check as $str) {
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  20.       if(strpos($temp, $str) !== false) {
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  21.       system_error('request_tainting');' ]+ {) ?/ O8 d) \
  22.     }, ^. U: g* V6 d; [6 |$ F
  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() {; G. h  }- T+ l, z3 a
  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) {, S4 R9 k; f0 m
  4.                         system_error('request_tainting');
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  5.                 }
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  6.                 return true;! w) G; J% s) E  w6 E4 F" N! a
  7.         }
銴鋆賭誨蝣
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