CVE-2023-38650 : What You Need to Know
Learn about CVE-2023-38650, an integer overflow vulnerability in GTKWave 3.3.115, with a high CVSS score of 7. Explore the impact, technical details, and mitigation steps for this CVE.
This article provides detailed information about CVE-2023-38650, including its description, impact, technical details, and mitigation steps.
Understanding CVE-2023-38650
CVE-2023-38650 is a vulnerability that exists in the VZT vzt_rd_block_vch_decode times parsing functionality of GTKWave 3.3.115, leading to multiple integer overflow vulnerabilities. A specially crafted .vzt file can trigger memory corruption, posing a risk when a victim opens a malicious file.
What is CVE-2023-38650?
The vulnerability CVE-2023-38650 is classified under CWE-190: Integer Overflow or Wraparound. It allows for memory corruption by exploiting an integer overflow when num_time_ticks is not zero.
The Impact of CVE-2023-38650
The CVSS score for this CVE is 7, indicating a high severity level. It has a local attack vector with high attack complexity, requiring user interaction. The vulnerability can lead to high confidentiality, integrity, and availability impact.
Technical Details of CVE-2023-38650
Vulnerability Description
The integer overflow vulnerabilities in GTKWave 3.3.115 can be exploited through a specially crafted .vzt file, resulting in memory corruption.
Affected Systems and Versions
The specific version affected by this vulnerability is GTKWave 3.3.115.
Exploitation Mechanism
Exploiting this vulnerability requires the victim to open a malicious .vzt file, triggering the memory corruption due to integer overflow.
Mitigation and Prevention
Immediate Steps to Take
To mitigate the risks associated with CVE-2023-38650, consider avoiding opening untrusted .vzt files. Update to a patched version of GTKWave to prevent exploitation of this vulnerability.
Long-Term Security Practices
Practicing secure file handling and regularly updating software can help prevent vulnerabilities like CVE-2023-38650. Educating users on safe file practices is crucial.
Patching and Updates
Keep systems and applications up to date with the latest security patches to address known vulnerabilities. Regularly check for updates from the software vendor to ensure a secure environment.