CVE-2023-38652 : Vulnerability Insights and Analysis
Learn about CVE-2023-38652 involving integer overflow vulnerabilities in GTKWave 3.3.115, affecting confidentiality, integrity, and availability. Explore mitigation strategies here.
A detailed overview of the integer overflow vulnerabilities in GTKWave 3.3.115, their impact, and mitigation strategies.
Understanding CVE-2023-38652
This section provides insights into the nature of the vulnerability.
What is CVE-2023-38652?
The CVE-2023-38652 involves multiple integer overflow vulnerabilities in the VZT vzt_rd_block_vch_decode dict parsing functionality of GTKWave 3.3.115. These vulnerabilities can lead to memory corruption when a specially crafted .vzt file is opened, triggering the vulnerabilities. The primary concern is with the integer overflow occurring when num_time_ticks is not zero.
The Impact of CVE-2023-38652
The vulnerability has a CVSS base score of 7, indicating a high severity level. It can be exploited locally with a high attack complexity, leading to significant impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2023-38652
In this section, we delve into the specifics of the vulnerability.
Vulnerability Description
The vulnerability stems from integer overflow issues in the VZT vzt_rd_block_vch_decode dict parsing functionality of GTKWave 3.3.115, potentially resulting in memory corruption.
Affected Systems and Versions
GTKWave version 3.3.115 is specifically impacted by these integer overflow vulnerabilities.
Exploitation Mechanism
A specially crafted .vzt file needs to be opened by a victim to trigger the vulnerabilities, primarily related to integer overflow in num_time_ticks.
Mitigation and Prevention
This section outlines the steps to mitigate and prevent exploitation of CVE-2023-38652.
Immediate Steps to Take
Users are advised to update GTKWave to a non-vulnerable version and avoid opening untrusted .vzt files to prevent exploitation.
Long-Term Security Practices
Incorporate secure coding practices, regularly update software, and educate users on safe file handling to enhance long-term security.
Patching and Updates
Stay informed about security patches released by GTKWave and apply updates promptly to address CVE-2023-38652.