CVE-2023-39271 Explained : Impact and Mitigation

This article provides detailed information about CVE-2023-39271, including its description, impact, technical details, and mitigation strategies.

Understanding CVE-2023-39271

CVE-2023-39271 is a vulnerability identified in GTKWave version 3.3.115, involving multiple integer overflow issues in the LXT2 facgeometry parsing functionality.

What is CVE-2023-39271?

The vulnerability allows a specially crafted .lxt2 file to trigger arbitrary code execution, posing a risk when opening malicious files.

The Impact of CVE-2023-39271

With a CVSS base score of 7.8 (High), this vulnerability can result in high confidentiality, integrity, and availability impact when exploited locally with low complexity.

Technical Details of CVE-2023-39271

The following details outline the vulnerability technically:

Vulnerability Description

The integer overflow occurs during the allocation of the

msb

array in GTKWave 3.3.115.

Affected Systems and Versions

Vendor: GTKWave
Product: GTKWave
Version: 3.3.115
Status: Affected

Exploitation Mechanism

Crafting a malicious .lxt2 file to exploit the integer overflow vulnerability and trigger arbitrary code execution.

Mitigation and Prevention

Understanding the steps to mitigate and prevent CVE-2023-39271:

Immediate Steps to Take

Avoid opening untrusted .lxt2 files.
Apply vendor patches and updates promptly.

Long-Term Security Practices

Keep software up to date with the latest security fixes.
Implement file validation checks to detect malicious files.

Patching and Updates

Stay informed about security advisories from GTKWave and promptly apply patches to address CVE-2023-39271.