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SpinetiX Fusion Digital Signage 3.4.8 File Backup/Delete Path Traversal

High
Advisory ID
ZSL-2020-5594
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 application suffers from an authenticated path traversal vulnerability. Input passed via several parameters in index.php script is not properly verified before being used to create and delete files. This can be exploited to write backup files to an arbitrary location and/or delete arbitrary files via traversal attacks.

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] and [3]