CVE-2019-14981 Explained : Impact and Mitigation

A vulnerability has been discovered in versions 7.x before 7.0.8-41 and 6.x before 6.9.10-41 of ImageMagick. This vulnerability pertains to the MeanShiftImage function and involves a divide-by-zero scenario. Exploiting this vulnerability requires an attacker to send a specially crafted file, which can subsequently lead to a denial of service.

Understanding CVE-2019-14981

This section provides an overview of the CVE-2019-14981 vulnerability.

What is CVE-2019-14981?

CVE-2019-14981 is a vulnerability found in ImageMagick versions 7.x before 7.0.8-41 and 6.x before 6.9.10-41. It is related to a divide-by-zero issue in the MeanShiftImage function.

The Impact of CVE-2019-14981

The vulnerability in CVE-2019-14981 can be exploited by an attacker to trigger a denial of service by sending a specially crafted file.

Technical Details of CVE-2019-14981

This section delves into the technical aspects of CVE-2019-14981.

Vulnerability Description

In ImageMagick 7.x before 7.0.8-41 and 6.x before 6.9.10-41, a divide-by-zero vulnerability exists in the MeanShiftImage function.

Affected Systems and Versions

ImageMagick versions 7.x before 7.0.8-41
ImageMagick versions 6.x before 6.9.10-41

Exploitation Mechanism

The vulnerability can be exploited by an attacker sending a specially crafted file to the affected systems, leading to a denial of service.

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2019-14981 vulnerability.

Immediate Steps to Take

Update ImageMagick to versions 7.0.8-41 or 6.9.10-41 to patch the vulnerability.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Conduct security audits and vulnerability assessments periodically.

Patching and Updates

Stay informed about security advisories and updates from ImageMagick.
Monitor for any new developments or patches related to CVE-2019-14981.