CVE-2017-11533 : Security Advisory and Response

ImageMagick 7.0.6-1 has a vulnerability that can lead to a heap-based buffer over-read during the conversion process of a manipulated file.

Understanding CVE-2017-11533

This CVE entry describes a specific vulnerability in ImageMagick 7.0.6-1.

What is CVE-2017-11533?

When processing a crafted file in convert, ImageMagick 7.0.6-1 may encounter a heap-based buffer over-read in the WriteUILImage() function in coders/uil.c.

The Impact of CVE-2017-11533

The vulnerability has the potential to cause a heap-based buffer over-read within the WriteUILImage() function, leading to a security risk for systems using ImageMagick 7.0.6-1.

Technical Details of CVE-2017-11533

This section provides more technical insights into the CVE.

Vulnerability Description

The conversion process of a manipulated file in ImageMagick 7.0.6-1 can trigger a heap-based buffer over-read within the WriteUILImage() function located in the coders/uil.c file.

Affected Systems and Versions

Affected Version: ImageMagick 7.0.6-1
Systems using this specific version are vulnerable to the heap-based buffer over-read issue.

Exploitation Mechanism

The vulnerability can be exploited by manipulating a file processed by ImageMagick 7.0.6-1, causing the heap-based buffer over-read in the WriteUILImage() function.

Mitigation and Prevention

Protecting systems from CVE-2017-11533 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update ImageMagick to a patched version that addresses the heap-based buffer over-read vulnerability.
Avoid processing untrusted or manipulated files with ImageMagick 7.0.6-1.

Long-Term Security Practices

Regularly monitor for security updates and patches for ImageMagick.
Implement file input validation mechanisms to prevent the processing of malicious files.

Patching and Updates

Apply the latest patches provided by ImageMagick to fix the vulnerability and enhance system security.