CVE-2017-11188 : Security Advisory and Response

A vulnerability has been discovered in the ReadDPXImage function of coders\dpx.c in ImageMagick 7.0.6-0, allowing for CPU exhaustion through a crafted DPX file.

Understanding CVE-2017-11188

This CVE involves a missing EOF check in ImageMagick, potentially leading to CPU exhaustion.

What is CVE-2017-11188?

The vulnerability in the ReadDPXImage function of ImageMagick 7.0.6-0 can be exploited via a specially crafted DPX file, causing unintended extensive loops and CPU exhaustion.

The Impact of CVE-2017-11188

The vulnerability can result in CPU exhaustion due to the unintended extensive loop triggered by a crafted DPX file.

Technical Details of CVE-2017-11188

The technical aspects of this CVE are as follows:

Vulnerability Description

The ReadDPXImage function in coders\dpx.c in ImageMagick 7.0.6-0 has a large loop vulnerability that can exhaust CPU resources through a crafted DPX file due to the lack of an EOF check.

Affected Systems and Versions

Affected Version: ImageMagick 7.0.6-0
Systems: All systems using the affected version

Exploitation Mechanism

The vulnerability can be exploited by utilizing a specifically crafted DPX file to trigger an extensive loop, leading to CPU exhaustion.

Mitigation and Prevention

To address CVE-2017-11188, consider the following mitigation strategies:

Immediate Steps to Take

Update ImageMagick to a patched version that addresses the vulnerability
Avoid opening DPX files from untrusted or unknown sources

Long-Term Security Practices

Regularly update software and apply security patches
Implement file type and content validation mechanisms to prevent malicious file execution

Patching and Updates

Ensure timely patching and updates for ImageMagick to mitigate the vulnerability effectively.