CVE-2018-1000646 Explained : Impact and Mitigation

LibreHealthIO LH-EHR version REL-2.0.0 has a vulnerability known as Authenticated Unrestricted File Write in its Import template feature, allowing users to write files with harmful content, potentially leading to remote code execution.

Understanding CVE-2018-1000646

This CVE identifies a specific vulnerability in LibreHealthIO LH-EHR version REL-2.0.0 that poses a security risk.

What is CVE-2018-1000646?

The vulnerability in LibreHealthIO LH-EHR version REL-2.0.0 allows authenticated users to write files with malicious content through the Import template feature, which could result in remote code execution.

The Impact of CVE-2018-1000646

The presence of this vulnerability can lead to severe consequences, including unauthorized file modifications and potential remote code execution, posing a significant security threat.

Technical Details of CVE-2018-1000646

This section delves into the technical aspects of the CVE.

Vulnerability Description

The Authenticated Unrestricted File Write vulnerability in LibreHealthIO LH-EHR version REL-2.0.0 enables users to write files with harmful content, opening the door to potential remote code execution.

Affected Systems and Versions

Affected Version: REL-2.0.0
Product: LibreHealthIO LH-EHR
Vendor: N/A

Exploitation Mechanism

The vulnerability can be exploited by authenticated users leveraging the Import template feature to write files with malicious content, which could be used for remote code execution.

Mitigation and Prevention

Protecting systems from CVE-2018-1000646 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the Import template feature if not essential for operations.
Monitor file write activities closely for any suspicious behavior.
Implement strict file write permissions to prevent unauthorized access.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments.
Educate users on safe file handling practices to prevent similar incidents.
Stay informed about security updates and patches for the software.
Consider implementing file integrity monitoring tools for added security.

Patching and Updates

Apply patches and updates provided by LibreHealthIO promptly to address the vulnerability and enhance system security.