CVE-2017-17500 : What You Need to Know

GraphicsMagick 1.3.26 is vulnerable to a heap-based buffer over-read due to a crafted file in the ReadRGBImage function of rgb.c. This vulnerability affects version 1.3.26 and involves ImportRGBQuantumType in magick/import.c.

Understanding CVE-2017-17500

This CVE entry highlights a specific vulnerability in GraphicsMagick version 1.3.26.

What is CVE-2017-17500?

The vulnerability in GraphicsMagick 1.3.26 allows a crafted file to trigger a heap-based buffer over-read in the ReadRGBImage function, specifically in the ImportRGBQuantumType code.

The Impact of CVE-2017-17500

This vulnerability could be exploited by an attacker to cause a heap-based buffer over-read, potentially leading to information disclosure or denial of service.

Technical Details of CVE-2017-17500

GraphicsMagick version 1.3.26 is susceptible to a specific type of heap-based buffer over-read.

Vulnerability Description

The vulnerability arises in the ReadRGBImage function of rgb.c due to a crafted file, impacting the ImportRGBQuantumType in magick/import.c.

Affected Systems and Versions

Affected Version: 1.3.26
Systems using GraphicsMagick 1.3.26 are vulnerable to this issue.

Exploitation Mechanism

Crafted files can exploit the vulnerability in the ImportRGBQuantumType code, causing a heap-based buffer over-read.

Mitigation and Prevention

To address CVE-2017-17500, consider the following steps:

Immediate Steps to Take

Update GraphicsMagick to a non-vulnerable version.
Avoid opening files from untrusted sources.

Long-Term Security Practices

Regularly update software and apply security patches.
Implement file input validation to prevent malicious inputs.

Patching and Updates

Check for security advisories from GraphicsMagick and apply patches promptly.