CVE-2019-12996 Explained : Impact and Mitigation

Mendix 7.23.5 and earlier versions are affected by a vulnerability related to potentially unsafe DOCTYPE declarations in XML import mappings.

Understanding CVE-2019-12996

This CVE entry highlights a security issue in Mendix versions prior to 7.23.5 that could allow for unsafe DOCTYPE declarations in XML input.

What is CVE-2019-12996?

Prior to Mendix 7.23.5, there was a problem with XML import mappings where the XML input allowed potentially unsafe DOCTYPE declarations.

The Impact of CVE-2019-12996

The vulnerability could potentially lead to security risks due to the acceptance of unsafe DOCTYPE declarations in XML input.

Technical Details of CVE-2019-12996

Mendix 7.23.5 and earlier versions are susceptible to security issues related to XML import mappings.

Vulnerability Description

In Mendix 7.23.5 and earlier, issue in XML import mappings allow DOCTYPE declarations in the XML input that is potentially unsafe.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: Mendix versions prior to 7.23.5

Exploitation Mechanism

The vulnerability arises from the acceptance of potentially unsafe DOCTYPE declarations in XML input, which could be exploited by malicious actors.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Upgrade to Mendix version 7.23.5 or later to mitigate the security risk.
Review and restrict XML input to prevent potentially unsafe DOCTYPE declarations.

Long-Term Security Practices

Regularly update and patch Mendix software to ensure the latest security fixes are in place.
Implement secure coding practices to minimize the risk of similar vulnerabilities in the future.
Conduct security assessments and audits to identify and address any potential security gaps.
Educate developers and users on secure XML handling practices.

Patching and Updates

Ensure that all systems running Mendix are updated to version 7.23.5 or above to eliminate the vulnerability.