CVE-2023-37442 : Vulnerability Insights and Analysis

This article provides an overview of CVE-2023-37442, a vulnerability in GTKWave 3.3.115 that could allow an attacker to execute arbitrary code.

Understanding CVE-2023-37442

This section delves into the details of the vulnerability and its potential impact.

What is CVE-2023-37442?

CVE-2023-37442 refers to multiple out-of-bounds read vulnerabilities in the VCD var definition section functionality of GTKWave 3.3.115. An attacker can exploit a specially crafted .vcd file to achieve arbitrary code execution, requiring a victim to open the malicious file to trigger these vulnerabilities.

The Impact of CVE-2023-37442

The vulnerability involves an out-of-bounds read when initiated through the GUI's default VCD parsing code. It poses a high risk, with a CVSS v3.1 base score of 7.8 and high severity due to the potential for unauthorized code execution.

Technical Details of CVE-2023-37442

This section outlines the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper restriction of operations within the bounds of a memory buffer, categorized under CWE-119.

Affected Systems and Versions

Vendor: GTKWave
Product: GTKWave
Version: 3.3.115 (affected)

Exploitation Mechanism

By enticing a user to open a malicious .vcd file, an attacker can trigger the out-of-bounds read vulnerabilities, potentially leading to arbitrary code execution.

Mitigation and Prevention

This section offers guidance on addressing and preventing the CVE-2023-37442 vulnerability.

Immediate Steps to Take

Users and administrators are advised to update GTKWave to a patched version to mitigate the risk of exploitation. Additionally, exercise caution when handling untrusted .vcd files.

Long-Term Security Practices

Incorporate secure coding practices, perform regular security assessments, and stay informed about security advisories to enhance overall system security.

Patching and Updates

Stay vigilant for security updates from GTKWave and promptly apply patches to safeguard systems against potential threats.