CVE-2019-9099 : Exploit Details and Defense Strategies

A vulnerability was found in Moxa MGate devices that could allow remote attackers to cause a denial-of-service condition and potentially execute unauthorized code.

Understanding CVE-2019-9099

This CVE affects Moxa MGate MB3170, MB3270, MB3280, MB3480, MB3660, and MB3180 devices with specific versions.

What is CVE-2019-9099?

The vulnerability exists in the built-in web server of the affected Moxa MGate devices, enabling remote attackers to exploit it for a denial-of-service attack and potential execution of unauthorized code.

The Impact of CVE-2019-9099

The vulnerability has a CVSS base score of 7.5, indicating a high severity level with a significant impact on availability.

Technical Details of CVE-2019-9099

This section provides more technical insights into the vulnerability.

Vulnerability Description

A buffer overflow in the built-in web server of Moxa MGate devices allows remote attackers to trigger a denial-of-service condition and potentially execute arbitrary code.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability can be exploited remotely by attackers over the network without requiring any user interaction, with a low attack complexity.

Mitigation and Prevention

Protecting systems from CVE-2019-9099 is crucial to ensure security.

Immediate Steps to Take

Apply patches provided by Moxa for the affected devices promptly.
Implement network segmentation to limit exposure to potential attacks.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and firmware on network devices.
Conduct security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Stay informed about security advisories from Moxa and apply patches as soon as they are released to mitigate the risk of exploitation.