CVE-2018-3981 Explained : Impact and Mitigation

A vulnerability has been discovered in the TIFF-parsing feature of Canvas Draw version 5.0.0, allowing for an exploitable out-of-bounds write, potentially leading to arbitrary code execution.

Understanding CVE-2018-3981

This CVE involves a critical vulnerability in ACD Systems' Canvas Draw version 5.0.0, identified by Talos.

What is CVE-2018-3981?

An exploitable out-of-bounds write vulnerability in the TIFF-parsing functionality of Canvas Draw version 5.0.0, enabling attackers to execute arbitrary code by delivering a malicious TIFF image.

The Impact of CVE-2018-3981

CVSS Base Score: 8.8 (High)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High

Technical Details of CVE-2018-3981

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to perform an out-of-bounds write, potentially leading to arbitrary code execution.

Affected Systems and Versions

Product: ACD Systems
Vendor: Talos
Affected Version: ACDSystems Canvas Draw 5.0.0

Exploitation Mechanism

Attackers can exploit this vulnerability by delivering a specially crafted malicious TIFF image.

Mitigation and Prevention

Protecting systems from CVE-2018-3981 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Canvas Draw to the latest version.
Implement network security measures to prevent malicious image delivery.
Educate users on safe browsing practices.

Long-Term Security Practices

Regularly update software and security patches.
Conduct security training for employees to recognize phishing attempts.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.