CVE-2023-37573 : Security Advisory and Response
Learn about CVE-2023-37573 involving multiple use-after-free vulnerabilities in GTKWave 3.3.115, leading to arbitrary code execution. Discover impact, technical details, and mitigation steps.
Multiple use-after-free vulnerabilities exist in the VCD get_vartoken realloc functionality of GTKWave 3.3.115. A specially crafted .vcd file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities. This vulnerability concerns the use-after-free when triggered via the GUI's recoder (default) VCD parsing code.
Understanding CVE-2023-37573
This section provides an overview of the CVE-2023-37573 vulnerability.
What is CVE-2023-37573?
CVE-2023-37573 involves multiple use-after-free vulnerabilities in GTKWave 3.3.115, allowing for arbitrary code execution by opening a malicious .vcd file.
The Impact of CVE-2023-37573
The impact of this CVE is significant, as it can result in arbitrary code execution, posing a serious threat to system security.
Technical Details of CVE-2023-37573
In this section, we delve into the technical aspects of CVE-2023-37573.
Vulnerability Description
The vulnerability arises from use-after-free issues in the VCD get_vartoken realloc functionality of GTKWave 3.3.115, enabling attackers to execute arbitrary code.
Affected Systems and Versions
GTKWave version 3.3.115 is affected by this vulnerability.
Exploitation Mechanism
By exploiting the use-after-free vulnerabilities in the VCD get_vartoken realloc functionality, attackers can achieve arbitrary code execution by tricking victims into opening a malicious .vcd file.
Mitigation and Prevention
To address CVE-2023-37573, it is crucial to implement appropriate mitigation strategies and security measures.
Immediate Steps to Take
Users should refrain from opening untrusted or suspicious .vcd files to prevent potential exploitation of this vulnerability.
Long-Term Security Practices
Regularly updating software and security patches can help mitigate the risk of such vulnerabilities in the long term.
Patching and Updates
Ensuring that GTKWave is updated to a secure version that addresses the use-after-free vulnerabilities is essential for preventing exploitation.