CVE-2018-3859 : Exploit Details and Defense Strategies

Canvas Draw version 4.0.0 by ACD Systems is vulnerable to an out-of-bounds write issue in handling TIFF images, allowing attackers to execute arbitrary code.

Understanding CVE-2018-3859

This CVE involves a critical vulnerability in Canvas Draw version 4.0.0 that can lead to code execution through specially crafted TIFF images.

What is CVE-2018-3859?

The vulnerability in Canvas Draw version 4.0.0 allows for an out-of-bounds write when processing TIFF images, enabling attackers to overwrite data and potentially execute malicious code.

The Impact of CVE-2018-3859

The vulnerability has a CVSS base score of 8.8 (High) with significant impacts on confidentiality, integrity, and availability. Attackers can exploit this flaw remotely without requiring privileges.

Technical Details of CVE-2018-3859

Canvas Draw version 4.0.0 vulnerability details:

Vulnerability Description

An out-of-bounds write issue in TIFF parsing
Allows overwriting of arbitrary data
Attackers can achieve code execution through crafted TIFF images

Affected Systems and Versions

Product: Canvas Draw
Vendor: ACD Systems
Vulnerable Version: ACD Systems Canvas Draw 4.0

Exploitation Mechanism

Attackers can deliver a specially crafted TIFF image to trigger the vulnerability
Successful exploitation can lead to arbitrary code execution

Mitigation and Prevention

Protect your systems from CVE-2018-3859:

Immediate Steps to Take

Update Canvas Draw to a patched version
Avoid opening TIFF images from untrusted sources
Implement network security measures to prevent remote attacks

Long-Term Security Practices

Regularly update software and security patches
Conduct security training to raise awareness of image-based vulnerabilities

Patching and Updates

Check for security updates from ACD Systems
Apply patches promptly to mitigate the risk of exploitation