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SpinetiX Fusion Digital Signage 3.4.8 Username Enumeration Weakness

Low
Advisory ID
ZSL-2020-5591
Release Date
30 September 2020
Vendor
Affected Version
<=3.4.8 (1.0.36274)
CVE
N/A
Tested On
Apache 2.2.34, PHP/5.3.18-2, Linux 2.6.10
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.

Description

The weakness is caused due to the login script and how it verifies provided credentials. Attacker can use this weakness to enumerate valid users on the affected node.

Proof of Concept
Disclosure Timeline
03.08.2020Vulnerability discovered.
25.09.2020Vendor contacted.
30.09.2020No response from the vendor.
30.09.2020Public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
Changelog
30.09.2020Initial release
06.10.2020Added reference [1], [2], [3] and [4]