CVE-2020-14161 Explained : Impact and Mitigation

Gotenberg through version 6.2.1 is vulnerable to HTML and JavaScript injection during HTML to PDF conversion.

Understanding CVE-2020-14161

This CVE involves a security issue in Gotenberg that allows malicious injection during file conversion.

What is CVE-2020-14161?

The vulnerability in Gotenberg up to version 6.2.1 permits the injection of HTML and JavaScript code during the conversion process from HTML to PDF using the /convert/html endpoint.

The Impact of CVE-2020-14161

This vulnerability could be exploited by attackers to execute arbitrary code, leading to potential data theft, unauthorized access, or other malicious activities.

Technical Details of CVE-2020-14161

Gotenberg's security flaw is detailed below:

Vulnerability Description

The vulnerability allows for the injection of HTML and JavaScript code during the HTML to PDF conversion process in Gotenberg versions up to 6.2.1.

Affected Systems and Versions

Product: Gotenberg
Vendor: N/A
Versions affected: Up to 6.2.1

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious HTML and JavaScript code through the /convert/html endpoint during file conversion.

Mitigation and Prevention

Protect your systems from CVE-2020-14161 with the following measures:

Immediate Steps to Take

Update Gotenberg to a patched version that addresses the vulnerability.
Implement input validation to prevent malicious code injection.
Monitor and restrict access to the /convert/html endpoint.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Conduct security audits and code reviews to identify and address potential security flaws.

Patching and Updates

Stay informed about security updates for Gotenberg and promptly apply patches to secure your systems.