CVE-2019-9097 : Vulnerability Insights and Analysis

A vulnerability affecting Moxa MGate devices could lead to denial of service due to high transit traffic volume.

Understanding CVE-2019-9097

What is CVE-2019-9097?

CVE-2019-9097 is a vulnerability found in Moxa MGate MB3170, MB3270, MB3280, MB3480, MB3660, and MB3180 devices before specific versions.

The Impact of CVE-2019-9097

The vulnerability can result in a denial of service when a high volume of transit traffic causes a low-memory situation on the affected devices.

Technical Details of CVE-2019-9097

Vulnerability Description

The issue affects Moxa MGate MB3170, MB3270, MB3280, MB3480, MB3660, and MB3180 devices before certain versions, leading to a denial of service under high transit traffic.

Affected Systems and Versions

Moxa MGate MB3170 and MB3270 devices before version 4.1
MB3280 and MB3480 devices before version 3.1
MB3660 devices before version 2.3
MB3180 devices before version 2.1

Exploitation Mechanism

The vulnerability is triggered by a high rate of transit traffic, causing a low-memory condition and subsequently leading to a denial of service.

Mitigation and Prevention

Immediate Steps to Take

Update affected devices to the latest firmware versions provided by Moxa.
Implement network traffic monitoring to detect unusual patterns that may indicate an ongoing attack.

Long-Term Security Practices

Regularly monitor and maintain network devices to ensure they are up to date with security patches.
Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches and updates released by Moxa for the affected MGate devices to mitigate the vulnerability.