CVE-2023-35004 : Exploit Details and Defense Strategies

This article provides insights into CVE-2023-35004, an integer overflow vulnerability in GTKWave 3.3.115 that can lead to arbitrary code execution when a specially crafted .vzt file is opened.

Understanding CVE-2023-35004

This section delves into the impact, technical details, and mitigation strategies related to CVE-2023-35004.

What is CVE-2023-35004?

CVE-2023-35004 is an integer overflow vulnerability in GTKWave 3.3.115, specifically in the VZT longest_len value allocation functionality. Exploiting this vulnerability requires a victim to open a malicious .vzt file, resulting in arbitrary code execution.

The Impact of CVE-2023-35004

The CVSS base score of 7.8 indicates a high severity level for this vulnerability. This flaw can significantly impact the confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2023-35004

This section provides detailed insights into the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from an integer overflow in the VZT longest_len value allocation function of GTKWave 3.3.115, allowing attackers to execute arbitrary code through a specially crafted .vzt file.

Affected Systems and Versions

The vulnerability affects GTKWave version 3.3.115.

Exploitation Mechanism

To exploit CVE-2023-35004, attackers need to entice a victim to open a malicious .vzt file, triggering the integer overflow and enabling arbitrary code execution.

Mitigation and Prevention

In this section, you'll find immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2023-35004.

Immediate Steps to Take

Users are advised to refrain from opening untrusted .vzt files and to apply security patches promptly to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implementing secure coding practices, regularly updating software, and staying informed about security advisories can enhance the overall security posture.

Patching and Updates

Vendor patches addressing CVE-2023-35004 vulnerabilities should be applied as soon as they are available to safeguard systems from potential threats.