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MaraCMS Arbitrary PHP File Upload (CVE-2020-25042)

cve-2020 | Level: Easy  | Total Lab Runs: 0 | Premium Lab | 


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What is Mara CMS?


Mara CMS is a file based content management system.


Reference: https://sourceforge.net/projects/maracms/


What is CVE-2020-25042?

An arbitrary file upload issue exists in Mara CMS 7.5. In order to exploit this, an attacker must have a valid authenticated (admin/manager) session and make a codebase/dir.php?type=filenew request to upload PHP code to codebase/handler.php.


Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-25042


Lab Environment

In this lab environment, the user is going to get access to a Kali GUI instance. A Mara CMS instance vulnerable to remote code execution, identified by CVE-2020-25042, is running on the target server. It can be accessed using the tools installed on Kali at http://demo.ine.local.


Objective: Exploit the remote code execution vulnerability in Mara CMS 7.5 to gain shell access on the target server and retrieve the flag.


Instructions: 

  • This lab is dedicated to you! No other users are on this network :) 

  • Once you start the lab, you will have access to a Kali GUI instance.

  • The target application should be accessible at http://demo.ine.local. 

The following activities are strictly prohibited on this website unless otherwise explicitly stated as allowed in the mission statement:

  • Using automated scanners
  • Using brute force attacks
  • Denial of Service attacks
  • Attacking other student machines in challenges where you might achieve a shell on the vulnerable system
  • Attacking the lab infrastructure

Users violating the above will be either temporarily or permanently banned from the website. 

If you are unsure about an activity, then please contact support to confirm that it is allowed on our website.

Technical Support for this Lab:

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  • Giving hints for a lab exercise
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