CVE-2019-11470 : What You Need to Know

ImageMagick 7.0.8-26 Q16 has a vulnerability in the cineon parsing component that can lead to a denial-of-service attack due to uncontrolled resource consumption. Attackers can exploit this by creating a Cineon image with a falsely claimed image size.

Understanding CVE-2019-11470

In this section, we will delve into the details of the CVE-2019-11470 vulnerability.

What is CVE-2019-11470?

The vulnerability in ImageMagick 7.0.8-26 Q16 allows attackers to trigger a denial-of-service attack by manipulating a Cineon image with an incorrect image size claim. The issue arises from the lack of a check for insufficient image data in the file.

The Impact of CVE-2019-11470

The exploitation of this vulnerability can result in a denial-of-service attack, causing uncontrolled resource consumption. Attackers can craft a Cineon image with a falsely claimed image size to trigger this issue.

Technical Details of CVE-2019-11470

Let's explore the technical aspects of CVE-2019-11470.

Vulnerability Description

The vulnerability exists in the ReadCINImage function in coders/cin.c, where insufficient image data in a file is not adequately checked, leading to the potential denial-of-service scenario.

Affected Systems and Versions

Product: ImageMagick
Vendor: N/A
Versions: 7.0.8-26 Q16

Exploitation Mechanism

Attackers can exploit this vulnerability by creating a Cineon image with a falsely claimed image size, triggering uncontrolled resource consumption due to the lack of data adequacy checks.

Mitigation and Prevention

Learn how to mitigate and prevent the CVE-2019-11470 vulnerability.

Immediate Steps to Take

Update ImageMagick to a patched version that includes a fix for the inadequate image data check.
Implement proper input validation mechanisms to prevent the creation of malicious Cineon images.

Long-Term Security Practices

Regularly monitor and update software components to address known vulnerabilities promptly.
Conduct security assessments and audits to identify and remediate potential weaknesses in image processing functionalities.

Patching and Updates

Ensure timely application of security patches and updates provided by ImageMagick to address the vulnerability effectively.