CVE-2019-11506 Explained : Impact and Mitigation

GraphicsMagick versions 1.3.30 to 1.4 snapshot-20190403 Q8 are affected by a heap-based buffer overflow vulnerability in the WriteMATLABImage function, potentially leading to denial of service or other consequences.

Understanding CVE-2019-11506

This CVE involves a critical vulnerability in GraphicsMagick that could be exploited by an attacker to compromise systems.

What is CVE-2019-11506?

The vulnerability exists in the WriteMATLABImage function in coders/mat.c of GraphicsMagick.
An attacker can exploit this flaw by providing a specially crafted image file.
The issue is related to the ExportRedQuantumType function in magick/export.c.

The Impact of CVE-2019-11506

Exploitation of this vulnerability could result in a denial of service or other unspecified consequences.

Technical Details of CVE-2019-11506

GraphicsMagick versions 1.3.30 to 1.4 snapshot-20190403 Q8 are susceptible to a heap-based buffer overflow.

Vulnerability Description

The vulnerability is a heap-based buffer overflow in the WriteMATLABImage function.

Affected Systems and Versions

GraphicsMagick versions 1.3.30 to 1.4 snapshot-20190403 Q8 are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by supplying a specially crafted image file.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-11506.

Immediate Steps to Take

Update GraphicsMagick to a patched version that addresses the vulnerability.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

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

Patching and Updates

Apply the latest security updates and patches provided by GraphicsMagick.