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CVE-2018-13790

cve-2018 | Level: Easy  | Total Lab Runs: 0 | Premium Lab

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An attacker might get administrative access to a web application. However, this does not automatically mean that the web server can be compromised. In cases where a SaaS application is made available to users, it is routine to give each user admin access to his own instance of the web application e.g. a managed hosted Wordpress site. In such scenario, the attacker who will begin accessing the application as a managed administrative user will have to figure out how to exploit the administrative interface to get a shell on the server. In some cases, it might be possible to do privilege escalation as well.

In the exercise below, the attacker has administrative access to the web application and needs to find a server-side request forgery attack to send requests on behalf of the server.

Concrete5 CMS is a free and open-source content management system (CMS) written in PHP. It is built on a model–view–controller web application framework and support plugins for extending the functionality.

Concrete5 (8.2.0) is vulnerable to Server Side Request Forgery documented in CVE-2018-13790.

The following username and passwords may be used to explore the application and/or find a vulnerability which might require authenticated access:

UsernamePassword
adminpassword1

Objective: Your task is to find and exploit this vulnerability.

CVE is a registered trademark of The MITRE Corporation.

All relevant information to solve this lab is available on the CVE website.




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