CVE-2018-18881 Explained : Impact and Mitigation

A vulnerability known as Denial of Service (DOS) has been found in the ControlByWeb X-320M-I Web-Enabled Instrumentation-Grade Data Acquisition module 1.05, running firmware revision v1.05. When an authorized user manipulates network settings inaccurately, it disrupts the TCP communication to the device. To bring the device back to its normal functioning state, a physical factory reset is necessary.

Understanding CVE-2018-18881

This CVE involves a Denial of Service (DOS) issue affecting the ControlByWeb X-320M-I Web-Enabled Instrumentation-Grade Data Acquisition module.

What is CVE-2018-18881?

The vulnerability allows an authenticated user to configure invalid network settings, leading to a disruption in TCP-based communications with the device.

The Impact of CVE-2018-18881

The vulnerability can result in a denial of service condition, rendering the device inaccessible until a physical factory reset is performed.

Technical Details of CVE-2018-18881

This section provides technical details about the vulnerability.

Vulnerability Description

An authenticated user can trigger the vulnerability by configuring incorrect network settings, causing a halt in TCP communication to the device.

Affected Systems and Versions

ControlByWeb X-320M-I Web-Enabled Instrumentation-Grade Data Acquisition module 1.05
Firmware revision v1.05

Exploitation Mechanism

The vulnerability is exploited when an authorized user inputs inaccurate network settings, disrupting TCP communication and causing a denial of service.

Mitigation and Prevention

Protecting systems from CVE-2018-18881 requires immediate actions and long-term security practices.

Immediate Steps to Take

Ensure network settings are accurately configured to prevent triggering the vulnerability.
Regularly monitor network traffic for any unusual patterns that may indicate a DOS attack.

Long-Term Security Practices

Implement network segmentation to isolate critical devices from potentially compromised areas.
Educate users on proper network configuration practices to prevent inadvertent triggering of vulnerabilities.

Patching and Updates

Apply firmware updates provided by the vendor to address the vulnerability and enhance device security.