CVE-2020-10646 Explained : Impact and Mitigation

Fuji Electric V-Server Lite all versions prior to 4.0.9.0 contains a heap-based buffer overflow vulnerability when parsing VPR files.

Understanding CVE-2020-10646

This CVE identifies a specific vulnerability in Fuji Electric V-Server Lite software.

What is CVE-2020-10646?

CVE-2020-10646 is a heap-based buffer overflow vulnerability in Fuji Electric V-Server Lite versions prior to 4.0.9.0. The issue arises due to insufficient buffer allocation during the parsing of VPR files.

The Impact of CVE-2020-10646

The vulnerability could allow an attacker to execute arbitrary code or crash the application, potentially leading to a denial of service (DoS) condition.

Technical Details of CVE-2020-10646

This section delves into the technical aspects of the CVE.

Vulnerability Description

The heap-based buffer overflow in Fuji Electric V-Server Lite versions prior to 4.0.9.0 occurs during the processing of VPR files, where the allocated buffer size is inadequate.

Affected Systems and Versions

Affected Product: Fuji Electric V-Server Lite all versions prior to 4.0.9.0

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious VPR files to trigger the buffer overflow, potentially leading to code execution or system crashes.

Mitigation and Prevention

Protecting systems from CVE-2020-10646 requires immediate action and long-term security measures.

Immediate Steps to Take

Apply the vendor-supplied patch or update to version 4.0.9.0 or later.
Monitor network traffic for any signs of exploitation.

Long-Term Security Practices

Regularly update software and firmware to mitigate potential vulnerabilities.
Implement network segmentation and access controls to limit the impact of successful attacks.

Patching and Updates

Ensure timely installation of patches and updates provided by Fuji Electric to address the heap-based buffer overflow vulnerability in V-Server Lite software.