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ZKTeco ZKBioSecurity 3.0 CSRF Add Superadmin Exploit

Medium
Advisory ID
ZSL-2016-5364
Release Date
31 August 2016
Vendor
ZKTeco Inc. - http://www.zkteco.com
Affected Version
3.0.1.0_R_230, Platform: 3.0.1.0_R_230, Personnel: 1.0.1.0_R_1916, Access: 6.0.1.0_R_1757, Elevator: 2.0.1.0_R_777, Visitor: 2.0.1.0_R_877, Video:2.0.1.0_R_489, Adms: 1.0.1.0_R_197
Tested On
Microsoft Windows 7 Ultimate SP1 (EN), Microsoft Windows 7 Professional SP1 (EN), Apache-Coyote/1.1, Apache Tomcat/7.0.56
Summary

ZKBioSecurity3.0 is the ultimate "All in One" web based security platform developed by ZKTeco. It contains four integrated modules: access control, video linkage, elevator control and visitor management. With an optimized system architecture designed for high level biometric identification and a modern-user friendly UI, ZKBioSecurity 3.0 provides the most advanced solution for a whole new user experience.

Description

The application interface allows users to perform certain actions via HTTP requests without performing any validity checks to verify the requests. This can be exploited to perform certain actions with administrative privileges if a logged-in user visits a malicious web site.

Proof of Concept
Disclosure Timeline
18.07.2016Vulnerability discovered.
27.07.2016Vendor contacted.
29.08.2016No response from the vendor.
31.08.2016Public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
Changelog
31.08.2016Initial release
26.09.2016Added reference [1], [2], [3] and [4]
24.03.2026Added reference [5]