CVE-2017-11478 : Security Advisory and Response

ImageMagick software versions 6.9.9-0 and 7.x through 7.0.6-1 are vulnerable to a denial of service attack due to an error in the ReadOneDJVUImage function.

Understanding CVE-2017-11478

This CVE involves a vulnerability in ImageMagick that can be exploited by remote attackers to disrupt services by causing an infinite loop and excessive CPU usage.

What is CVE-2017-11478?

The ReadOneDJVUImage function in coders/djvu.c in ImageMagick through versions 6.9.9-0 and 7.x through 7.0.6-1 allows remote attackers to cause a denial of service by using a malformed DJVU image.

The Impact of CVE-2017-11478

Remote attackers can exploit this vulnerability to disrupt services by causing an infinite loop and excessive CPU consumption.

Technical Details of CVE-2017-11478

ImageMagick software versions 6.9.9-0 and 7.x through 7.0.6-1 are affected by this vulnerability.

Vulnerability Description

An error in the ReadOneDJVUImage function in coders/djvu.c allows remote attackers to trigger a denial of service.

Affected Systems and Versions

ImageMagick versions 6.9.9-0 and 7.x through 7.0.6-1

Exploitation Mechanism

Attackers can exploit this vulnerability by using a DJVU image that is not properly formatted.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Update ImageMagick to the latest patched version.
Implement network security measures to prevent remote attacks.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Conduct security assessments and audits to identify and address potential weaknesses.

Patching and Updates

Apply patches and updates provided by ImageMagick to fix the vulnerability.