CVE-2019-11006 Explained : Impact and Mitigation

GraphicsMagick 1.4 snapshot-20190322 Q8 has a vulnerability in the function ReadMIFFImage that leads to a heap-based buffer over-read, potentially allowing attackers to execute a denial of service attack or disclose sensitive information using an RLE packet.

Understanding CVE-2019-11006

This CVE identifies a specific security issue within GraphicsMagick software.

What is CVE-2019-11006?

CVE-2019-11006 is a vulnerability in GraphicsMagick 1.4 snapshot-20190322 Q8 that enables a heap-based buffer over-read through the ReadMIFFImage function in coders/miff.c. This flaw can be exploited by malicious actors to trigger a denial of service or information exposure via an RLE packet.

The Impact of CVE-2019-11006

The vulnerability in GraphicsMagick can have the following consequences:

Denial of service attacks
Information disclosure

Technical Details of CVE-2019-11006

GraphicsMagick 1.4 snapshot-20190322 Q8 is affected by this vulnerability.

Vulnerability Description

The vulnerability allows attackers to perform a heap-based buffer over-read using the ReadMIFFImage function in coders/miff.c.

Affected Systems and Versions

Product: GraphicsMagick
Vendor: N/A
Version: snapshot-20190322 Q8

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing an RLE packet to trigger the heap-based buffer over-read.

Mitigation and Prevention

To address CVE-2019-11006, consider the following steps:

Immediate Steps to Take

Apply security patches provided by GraphicsMagick promptly.
Monitor official security channels for updates and advisories.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement network security measures to detect and prevent potential attacks.

Patching and Updates

Ensure that you regularly update GraphicsMagick to the latest version containing security patches to protect against CVE-2019-11006.