CVE-2017-16540 : What You Need to Know
Learn about CVE-2017-16540, a vulnerability in OpenEMR allowing unauthorized remote database copying. Find out affected versions, exploitation details, and mitigation steps.
OpenEMR before version 5.0.0 Patch 5 has a vulnerability that allows unauthorized remote copying of databases. The setup.php file exposes a feature that permits attackers to clone an existing OpenEMR site onto a MySQL server under their control through a crafted state parameter.
Understanding CVE-2017-16540
This CVE was published on November 4, 2017, by MITRE.
What is CVE-2017-16540?
CVE-2017-16540 is a security vulnerability in OpenEMR that enables unauthenticated remote database copying by exploiting a feature in the setup.php file.
The Impact of CVE-2017-16540
The vulnerability allows attackers to copy databases remotely, potentially leading to unauthorized access and data breaches.
Technical Details of CVE-2017-16540
OpenEMR version 5.0.0 Patch 5 is affected by this vulnerability.
Vulnerability Description
The flaw in setup.php allows attackers to clone an OpenEMR site onto a MySQL server they control using a crafted state parameter.
Affected Systems and Versions
- Product: OpenEMR
- Versions: Before 5.0.0 Patch 5
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the state parameter in the setup.php file to copy databases remotely.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade to OpenEMR version 5.0.0 Patch 5 or later to mitigate the vulnerability.
- Restrict access to the setup.php file to authorized personnel only.
Long-Term Security Practices
- Regularly monitor and audit database activities for any unauthorized access.
- Implement strong access controls and authentication mechanisms to prevent unauthorized copying of databases.
Patching and Updates
- Apply patches and updates provided by OpenEMR to fix the vulnerability and enhance system security.