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AVE DOMINAplus <=1.10.x Authentication Bypass Exploit

Critical
Advisory ID
ZSL-2019-5549
Release Date
27 December 2019
Vendor
AVE S.p.A. - https://www.ave.it
Affected Version
Web Server Code 53AB-WBS - 1.10.62, Touch Screen Code TS01 - 1.0.65, Touch Screen Code TS03x-V | TS04X-V - 1.10.45a, Touch Screen Code TS05 - 1.10.36, Models: 53AB-WBS, TS01, TS03V, TS04X-V, TS05N-V, App version: 1.10.77, App version: 1.10.65, App version: 1.10.64, App version: 1.10.62, App version: 1.10.60, App version: 1.10.52, App version: 1.10.52A, App version: 1.10.49, App version: 1.10.46, App version: 1.10.45, App version: 1.10.44, App version: 1.10.35, App version: 1.10.25, App version: 1.10.22, App version: 1.10.11, App version: 1.8.4, App version: TS1-1.0.65, App version: TS1-1.0.62, App version: TS1-1.0.44, App version: TS1-1.0.10, App version: TS1-1.0.9
Tested On
GNU/Linux 4.1.19-armv7-x7, GNU/Linux 3.8.13-bone50/bone71.1/bone86, Apache/2.4.7 (Ubuntu), Apache/2.2.22 (Debian), PHP/5.5.9-1ubuntu4.23, PHP/5.4.41-0+deb7u1, PHP/5.4.36-0+deb7u3
Summary

DOMINAplus - Sistema Domotica Avanzato. Advanced Home Automation System. Designed to revolutionize your concept of living. DOMINA plus is the AVE home automation proposal that makes houses safer, more welcoming and optimized. In fact, our home automation system introduces cutting-edge technologies, designed to improve people's lifestyle. DOMINA plus increases comfort, the level of safety and security and offers advanced supervision tools in order to learn how to evaluate and reduce consumption through various solutions dedicated to energy saving.

Description

DOMINAplus suffers from an authentication bypass vulnerability due to missing control check when directly calling the autologin GET parameter in changeparams.php script. Setting the autologin value to 1 allows an unauthenticated attacker to permanently disable the authentication security control and access the management interface with admin privileges without providing credentials.

Proof of Concept
Disclosure Timeline
06.10.2019Vulnerability discovered.
14.10.2019Vendor contacted.
20.10.2019No response from the vendor.
21.10.2019Vendor contacted.
26.12.2019No response from the vendor.
27.12.2019Public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
Changelog
27.12.2019Initial release
29.12.2019Added reference [1]
24.01.2020Added reference [2] and [3]
19.06.2021Added reference [4], [5] and [6]