CVE-2018-11655 : What You Need to Know

A vulnerability in the GetImagePixelCache function of ImageMagick 7.0.7-20 Q16 x86_64 could lead to a memory leak, allowing attackers to cause a denial of service by using a manipulated CALS image file.

Understanding CVE-2018-11655

This CVE involves a memory leak vulnerability in ImageMagick 7.0.7-20 Q16 x86_64, specifically in the GetImagePixelCache function in MagickCore/cache.c.

What is CVE-2018-11655?

The vulnerability in ImageMagick 7.0.7-20 Q16 x86_64 allows attackers to exploit a memory leak in the GetImagePixelCache function, potentially leading to a denial of service through a crafted CALS image file.

The Impact of CVE-2018-11655

The vulnerability could result in a denial of service attack, affecting the availability of systems utilizing ImageMagick 7.0.7-20 Q16 x86_64.

Technical Details of CVE-2018-11655

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability is located in the GetImagePixelCache function of ImageMagick 7.0.7-20 Q16 x86_64, specifically in MagickCore/cache.c, leading to a memory leak.

Affected Systems and Versions

Product: ImageMagick 7.0.7-20 Q16 x86_64
Vendor: N/A
Versions: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by using a manipulated CALS image file, triggering the memory leak and causing a denial of service.

Mitigation and Prevention

To address CVE-2018-11655, consider the following mitigation strategies:

Immediate Steps to Take

Update ImageMagick to a patched version.
Implement proper input validation to prevent crafted image files from causing memory leaks.

Long-Term Security Practices

Regularly monitor for security advisories related to ImageMagick.
Conduct security assessments to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches provided by ImageMagick to fix the memory leak vulnerability.