CVE-2023-37420 : What You Need to Know
Learn about CVE-2023-37420, multiple out-of-bounds write vulnerabilities in GTKWave 3.3.115 enabling arbitrary code execution. Find impact, affected systems, and mitigation steps.
This article provides detailed information about CVE-2023-37420, including the vulnerability description, impact, affected systems, exploitation mechanism, mitigation, and prevention measures.
Understanding CVE-2023-37420
CVE-2023-37420 refers to multiple out-of-bounds write vulnerabilities in GTKWave 3.3.115, allowing arbitrary code execution via a specially crafted .vcd file.
What is CVE-2023-37420?
The vulnerabilities exist in the VCD parse_valuechange portdump functionality of GTKWave 3.3.115. Opening a malicious .vcd file could lead to arbitrary code execution through out-of-bounds writes.
The Impact of CVE-2023-37420
The impact of CVE-2023-37420 is rated as high, with the potential for arbitrary code execution on affected systems, posing a serious risk to confidentiality, integrity, and availability.
Technical Details of CVE-2023-37420
The technical details include vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The out-of-bounds write vulnerabilities in GTKWave 3.3.115 can be triggered via the vcd2lxt conversion utility, allowing attackers to execute arbitrary code.
Affected Systems and Versions
GTKWave version 3.3.115 is affected by these vulnerabilities, putting systems using this version at risk of exploitation.
Exploitation Mechanism
By crafting a malicious .vcd file, threat actors can exploit the vulnerabilities to achieve arbitrary code execution on vulnerable systems.
Mitigation and Prevention
Understanding the immediate steps to take and long-term security practices can help mitigate the risks associated with CVE-2023-37420.
Immediate Steps to Take
Users are advised to update GTKWave to a patched version, avoid opening untrusted .vcd files, and follow best security practices to minimize exposure to the vulnerabilities.
Long-Term Security Practices
Regularly updating software, staying informed about security patches, and implementing robust cybersecurity measures can enhance the overall security posture and reduce the likelihood of successful exploitation.
Patching and Updates
Vendor patches and updates should be promptly applied to ensure that systems are protected against known vulnerabilities and exploit attempts.