CVE-2023-39275 : What You Need to Know

Understanding CVE-2023-39275

Multiple integer overflow vulnerabilities exist in the LXT2 facgeometry parsing functionality of GTKWave 3.3.115, which could lead to arbitrary code execution.

What is CVE-2023-39275?

CVE-2023-39275 points to integer overflow vulnerabilities in GTKWave 3.3.115, where a specially crafted .lxt2 file can trigger these vulnerabilities, potentially allowing an attacker to execute arbitrary code.

The Impact of CVE-2023-39275

The impact of CVE-2023-39275 is rated as HIGH, with a CVSS base score of 7.8. These vulnerabilities can result in high confidentiality, integrity, and availability impact when exploited.

Technical Details of CVE-2023-39275

The vulnerability stems from integer overflow when allocating the

value

array in the LXT2 facgeometry parsing of GTKWave 3.3.115.

Vulnerability Description

The vulnerability arises due to multiple integer overflow issues, allowing a malicious .lxt2 file to exploit the parsing functionality and execute arbitrary code.

Affected Systems and Versions

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

Exploitation Mechanism

An attacker can exploit this vulnerability by coercing a victim into opening a malicious .lxt2 file, triggering the integer overflow and subsequent code execution.

Mitigation and Prevention

To mitigate the risks posed by CVE-2023-39275, immediate action and long-term security practices are essential.

Immediate Steps to Take

Users and organizations should apply security patches provided by GTKWave promptly. Additionally, exercise caution when opening files from unknown or untrusted sources.

Long-Term Security Practices

Regularly update software and follow secure coding practices to minimize the risk of similar vulnerabilities in the future.

Patching and Updates

Ensure that the affected version (3.3.115) of GTKWave is updated to a secure version to protect systems from exploitation.