CVE-2019-20376 Explained : Impact and Mitigation

A cross-site scripting (XSS) vulnerability in Electronic Logbook (ELOG) 3.1.4 allows remote attackers to inject arbitrary web script or HTML via a crafted SVG document to elogd.c.

Understanding CVE-2019-20376

Remote attackers can exploit a cross-site scripting (XSS) vulnerability in Electronic Logbook (ELOG) 3.1.4 by injecting their own web script or HTML code using a manipulated SVG document sent to elogd.c.

What is CVE-2019-20376?

CVE-2019-20376 is a cross-site scripting (XSS) vulnerability found in Electronic Logbook (ELOG) 3.1.4, enabling remote attackers to inject malicious web script or HTML code through a manipulated SVG document.

The Impact of CVE-2019-20376

Remote attackers can execute arbitrary code on the affected system
Unauthorized access to sensitive information
Potential for complete system compromise

Technical Details of CVE-2019-20376

The technical details of the vulnerability are as follows:

Vulnerability Description

The vulnerability allows remote attackers to perform cross-site scripting (XSS) attacks by injecting malicious web script or HTML code through a manipulated SVG document.

Affected Systems and Versions

Product: Electronic Logbook (ELOG) 3.1.4
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a manipulated SVG document to elogd.c, allowing them to inject their own web script or HTML code.

Mitigation and Prevention

To mitigate the risks associated with CVE-2019-20376, consider the following steps:

Immediate Steps to Take

Disable SVG image uploads in Electronic Logbook (ELOG) 3.1.4
Implement input validation to filter out potentially malicious scripts

Long-Term Security Practices

Regular security assessments and code reviews
Stay informed about security updates and patches

Patching and Updates

Apply the latest patches and updates provided by the software vendor