Learn about CVE-2023-35702, multiple stack-based buffer overflow vulnerabilities in GTKWave 3.3.115 allowing arbitrary code execution by opening a malicious file.
A detailed analysis of multiple stack-based buffer overflow vulnerabilities found in GTKWave 3.3.115, leading to arbitrary code execution upon opening a malicious .fst file.
Understanding CVE-2023-35702
This section provides insight into the critical vulnerability affecting GTKWave 3.3.115.
What is CVE-2023-35702?
CVE-2023-35702 highlights the presence of multiple stack-based buffer overflow vulnerabilities in the FST LEB128 varint functionality of GTKWave 3.3.115. These vulnerabilities enable an attacker to execute arbitrary code by exploiting a specially crafted .fst file. To trigger these vulnerabilities, a victim needs to unknowingly open a malicious file, making it crucial to address this issue promptly.
The Impact of CVE-2023-35702
The impact of CVE-2023-35702 is significant, with a base severity rating of 'High' (CVSS score of 7.8). The vulnerability poses a high risk to confidentiality, integrity, and availability.
Technical Details of CVE-2023-35702
Delving into the technical aspects of the CVE-2023-35702 vulnerability.
Vulnerability Description
The vulnerability arises due to the presence of stack-based buffer overflows in GTKWave 3.3.115, particularly in the FST LEB128 varint functionality, allowing threat actors to achieve arbitrary code execution.
Affected Systems and Versions
GTKWave version 3.3.115 is confirmed to be affected by these vulnerabilities.
Exploitation Mechanism
An attacker can exploit this vulnerability by crafting a malicious .fst file, enticing a victim to open it and trigger the buffer overflow, ultimately executing arbitrary code.
Mitigation and Prevention
Guidelines to mitigate the risks associated with CVE-2023-35702.
Immediate Steps to Take
Users are advised to update GTKWave to a patched version, where the identified vulnerabilities are addressed. Additionally, refrain from opening suspicious or untrusted .fst files to prevent exploitation.
Long-Term Security Practices
Implement proactive security measures such as regular software updates, conducting security trainings, and maintaining awareness of potential threats to enhance overall cybersecurity posture.
Patching and Updates
Stay informed about security patches released by GTKWave and promptly apply them to ensure the system is protected against known vulnerabilities.