CVE-2017-8765 : What You Need to Know

A vulnerability was discovered in the function ReadICONImage in the file icon.c of the ImageMagick software version 7.0.5-5. This vulnerability allows for a memory leak, which when exploited through a specially crafted ICON file, can lead to memory exhaustion.

Understanding CVE-2017-8765

This CVE entry describes a memory leak vulnerability in ImageMagick version 7.0.5-5 that can result in memory exhaustion when a maliciously crafted ICON file is processed.

What is CVE-2017-8765?

The vulnerability in the ReadICONImage function of ImageMagick 7.0.5-5 allows attackers to trigger a memory leak by using a specifically crafted ICON file, potentially leading to memory exhaustion.

The Impact of CVE-2017-8765

Exploitation of this vulnerability can result in memory exhaustion, potentially causing denial of service or other adverse effects on systems running the affected ImageMagick version.

Technical Details of CVE-2017-8765

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability lies in the ReadICONImage function in coders\icon.c of ImageMagick 7.0.5-5, allowing for a memory leak that can lead to memory exhaustion when processing a manipulated ICON file.

Affected Systems and Versions

Affected Software: ImageMagick version 7.0.5-5
Systems running this specific version are vulnerable to the memory leak issue.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious ICON file that triggers the memory leak in the ReadICONImage function of ImageMagick.

Mitigation and Prevention

Protecting systems from CVE-2017-8765 involves taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Update ImageMagick to a non-vulnerable version if available.
Consider restricting access to potentially malicious ICON files.

Long-Term Security Practices

Regularly update software and apply patches promptly.
Implement file type validation and input sanitization to prevent exploitation through crafted files.

Patching and Updates

Check for patches or updates released by ImageMagick to address the memory leak vulnerability in version 7.0.5-5.