Learn about CVE-2020-16232, a buffer overflow vulnerability in Yokogawa WideField3 R1.01 - R4.03. Find out the impact, affected systems, and mitigation steps provided by Yokogawa.
Yokogawa WideField3 Buffer Copy Without Checking Size of Input
Understanding CVE-2020-16232
In Yokogawa WideField3 R1.01 - R4.03, a buffer overflow vulnerability exists due to inadequate input validation.
What is CVE-2020-16232?
This CVE identifies a security flaw in Yokogawa WideField3 versions R1.01 to R4.03 that could lead to a buffer overflow when loading a specially crafted project file.
The Impact of CVE-2020-16232
The vulnerability has a low severity base score of 2.8 (CVSS:3.1) with low impact on availability, confidentiality, and integrity. However, it requires user interaction to be exploited.
Technical Details of CVE-2020-16232
Yokogawa WideField3 Buffer Copy Without Checking Size of Input
Vulnerability Description
A buffer overflow can occur in WideField3 due to a lack of proper input validation, potentially leading to arbitrary code execution.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by enticing a user to load a malicious project file, triggering the buffer overflow.
Mitigation and Prevention
Yokogawa has provided the following solutions:
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Yokogawa recommends users to switch to revision R4.04 to mitigate the vulnerability. Refer to Yokogawa's security advisory report YSAR-20-0002 for detailed mitigation steps.