Title: SpinetiX Fusion Digital Signage 3.4.8 Username Enumeration Weakness
Advisory ID: ZSL-2020-5591
Type: Local/Remote
Impact: Exposure of Sensitive Information
Risk: (2/5)
Release Date: 30.09.2020

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.

Vendor

SpinetiX AG - https://www.spinetix.com

Affected Version

<=3.4.8 (1.0.36274)

Tested On

Apache 2.2.34
PHP/5.3.18-2
Linux 2.6.10

Vendor Status

[03.08.2020] Vulnerability discovered.
[25.09.2020] Vendor contacted.
[30.09.2020] No response from the vendor.
[30.09.2020] Public security advisory released.

PoC

spinetix_userenum.txt

Credits

Vulnerability discovered by Gjoko Krstic - <gjoko@zeroscience.mk>

References

[1] https://www.exploit-db.com/exploits/48847
[2] https://packetstormsecurity.com/files/159428
[3] https://cxsecurity.com/issue/WLB-2020100011
[4] https://exchange.xforce.ibmcloud.com/vulnerabilities/189294

Changelog

[30.09.2020] - Initial release
[06.10.2020] - Added reference [1], [2], [3] and [4]

Contact

Zero Science Lab

Web: https://www.zeroscience.mk
e-mail: lab@zeroscience.mk