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CVE-2023-39443

7.8 · HIGH

Multiple out-of-bounds write vulnerabilities exist in the LXT2 parsing functionality of GTKWave 3.3.115.

Published Jan 8, 2024CWE-119EPSS 0.43%

Overview

CVE-2023-39443 is a high-severity vulnerability. It was published on January 8, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Multiple out-of-bounds write vulnerabilities exist in the LXT2 parsing functionality of GTKWave 3.3.115. A specially-crafted .lxt2 file can lead to arbitrary code execution. A victim would need to open a malicious file to trigger these vulnerabilities.This vulnerability concerns the out-of-bounds write perfomed by the prefix copy loop.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reflists.debian.org/debian-lts-announce/2024/04/msg00007.htmlReftalosintelligence.com/vulnerability_reports/TALOS-2023-1826Reflists.debian.org/debian-lts-announce/2024/04/msg00007.htmlReftalosintelligence.com/vulnerability_reports/TALOS-2023-1826Refwww.talosintelligence.com/vulnerability_reports/TALOS-2023-1826

How CyberStrike helps

Frequently asked questions

What is CVE-2023-39443?

CVE-2023-39443 is a high-severity vulnerability. It was published on January 8, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-39443?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-39443?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-39443?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-39443 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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