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Ecessa WANWorx WVR-30 10.7.4 CSRF Add Superuser Exploit

Medium
Advisory ID
ZSL-2018-5475
Release Date
24 June 2018
Vendor
Ecessa Corporation - https://www.ecessa.com
Affected Version
10.7.4, 10.6.9, 10.7.4, 10.6.5.2, 10.5.4, 10.2.24, 9.2.24
Tested On
lighttpd/1.4.35
Summary

Ecessa's WANworX SD-WAN solutions increase network performance and reliability by leveraging any connection. That can be premium priced MPLS, lower cost broadband, or cellular 4G or LTE. Many of today's WAN deployments are based on older technology that was acceptable when businesses did not run at breakneck speed or when operations didn’t grind to a halt when connectivity was disrupted. In today’s cloud-based applications, datacenters and distributed networks, where so much is virtualized and delivered as–a-service, limited bandwidth and network outages don’t just slow productivity, they stop it.

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
21.05.2018Vulnerability discovered.
21.05.2018Contact with the vendor.
23.06.2018No response from the vendor.
24.06.2018Public security advisory released.
Credits
Vulnerability discovered by Gjoko Krstic
References
Changelog
24.06.2018Initial release
11.07.2018Added reference [1], [2], [3] and [4]
23.03.2026Added reference [5]