CVE-2019-19952 : Vulnerability Insights and Analysis

A use-after-free vulnerability was discovered in the function MngInfoDiscardObject of the png.c file in ImageMagick version 7.0.9-7 Q16. This vulnerability is specifically associated with the ReadOneMNGImage function.

Understanding CVE-2019-19952

This CVE entry describes a use-after-free vulnerability in ImageMagick version 7.0.9-7 Q16.

What is CVE-2019-19952?

A use-after-free vulnerability in the MngInfoDiscardObject function of the png.c file in ImageMagick version 7.0.9-7 Q16, related to the ReadOneMNGImage function.

The Impact of CVE-2019-19952

This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by triggering a use-after-free condition.

Technical Details of CVE-2019-19952

ImageMagick version 7.0.9-7 Q16 is affected by this vulnerability.

Vulnerability Description

The vulnerability exists in the MngInfoDiscardObject function of the png.c file, specifically related to the ReadOneMNGImage function.

Affected Systems and Versions

Affected Version: ImageMagick 7.0.9-7 Q16

Exploitation Mechanism

The vulnerability can be exploited by an attacker to trigger a use-after-free condition, potentially leading to arbitrary code execution or denial of service.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-19952.

Immediate Steps to Take

Update ImageMagick to a non-vulnerable version if available.
Implement proper input validation to prevent malicious inputs.
Monitor security advisories for patches and updates.

Long-Term Security Practices

Regularly update software and libraries to the latest secure versions.
Conduct security assessments and code reviews to identify and address vulnerabilities.

Patching and Updates

Apply patches provided by ImageMagick promptly to address the vulnerability and enhance system security.