CVE-2023-32650 : What You Need to Know

This article provides detailed information about CVE-2023-32650, including its description, impact, technical details, and mitigation strategies.

Understanding CVE-2023-32650

CVE-2023-32650 is an integer overflow vulnerability found in GTKWave version 3.3.115. The vulnerability occurs in the FST_BL_GEOM parsing maxhandle functionality of GTKWave 3.3.115 when compiled as a 32-bit binary.

What is CVE-2023-32650?

A specially crafted .fst file can trigger an integer overflow leading to memory corruption in GTKWave 3.3.115. Opening a malicious file by a victim is required to exploit this vulnerability.

The Impact of CVE-2023-32650

The vulnerability has a CVSSv3.1 score of 7.0, indicating a high severity issue with local attack vector, high attack complexity, and significant impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2023-32650

Vulnerability Description

An integer overflow vulnerability in the FST_BL_GEOM parsing maxhandle functionality of GTKWave 3.3.115, when compiled as a 32-bit binary, allows a specially crafted .fst file to cause memory corruption.

Affected Systems and Versions

GTKWave version 3.3.115 is affected by this vulnerability.

Exploitation Mechanism

Exploiting this vulnerability requires the victim to open a malicious .fst file.

Mitigation and Prevention

Immediate Steps to Take

Users are advised to update GTKWave to a non-vulnerable version and avoid opening untrusted .fst files to mitigate the risk of exploitation.

Long-Term Security Practices

Implement secure coding practices, regularly update software, and educate users on the importance of file validation to prevent similar vulnerabilities.

Patching and Updates

Follow official vendor updates and security advisories to apply patches promptly and protect systems from known vulnerabilities.