CVE-2018-10573 : Security Advisory and Response

OpenEMR version 5.0.1 and earlier allow authenticated users to bypass access restrictions by manipulating a specific parameter.

Understanding CVE-2018-10573

This CVE involves a vulnerability in OpenEMR that enables authenticated users to circumvent access restrictions.

What is CVE-2018-10573?

The issue in OpenEMR version 5.0.1 and prior versions allows authenticated users to manipulate a parameter in the fax_dispatch.php file, leading to unauthorized access.

The Impact of CVE-2018-10573

This vulnerability could result in authenticated users gaining unauthorized access to sensitive information within OpenEMR, potentially compromising data confidentiality and integrity.

Technical Details of CVE-2018-10573

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in interface/fax/fax_dispatch.php in OpenEMR versions before 5.0.1 permits remote authenticated users to bypass access restrictions by altering the scan parameter.

Affected Systems and Versions

OpenEMR versions 5.0.1 and earlier are affected by this vulnerability.

Exploitation Mechanism

By manipulating the scan parameter in the interface/fax/fax_dispatch.php file, authenticated users can bypass intended access restrictions in OpenEMR.

Mitigation and Prevention

Protecting systems from CVE-2018-10573 is crucial to maintain security.

Immediate Steps to Take

Upgrade OpenEMR to version 5.0.1 or later to mitigate this vulnerability.
Monitor access logs for any suspicious activity related to the fax_dispatch.php file.

Long-Term Security Practices

Regularly review and update access control mechanisms within OpenEMR.
Conduct security training for users to prevent unauthorized access attempts.

Patching and Updates

Apply patches and updates provided by OpenEMR to address security vulnerabilities promptly.