CVE-2021-37378 : Security Advisory and Response

This article provides insights into CVE-2021-37378, a Cross Site Scripting (XSS) vulnerability found in Teradek Cube and Cube Pro firmware.

Understanding CVE-2021-37378

This section delves into the details of the CVE-2021-37378 vulnerability.

What is CVE-2021-37378?

CVE-2021-37378 is a Cross Site Scripting (XSS) vulnerability in Teradek Cube and Cube Pro firmware version 7.3.x and earlier. It allows remote attackers to execute arbitrary code by exploiting the Friendly Name field in System Information Settings.

The Impact of CVE-2021-37378

The vulnerability poses a significant risk as attackers can run malicious code on affected systems, potentially leading to unauthorized access and data breaches.

Technical Details of CVE-2021-37378

This section uncovers the technical aspects of CVE-2021-37378.

Vulnerability Description

The XSS vulnerability in Teradek Cube and Cube Pro firmware arises from insufficient input validation in the Friendly Name field, enabling attackers to inject and execute malicious scripts remotely.

Affected Systems and Versions

The vulnerability impacts Teradek Cube and Cube Pro firmware versions 7.3.x and prior. Systems running these versions are vulnerable to exploitation.

Exploitation Mechanism

Attackers can exploit CVE-2021-37378 by inputting malicious code into the Friendly Name field of System Information Settings, triggering the execution of unauthorized scripts on the target system.

Mitigation and Prevention

This section outlines the steps to mitigate and prevent exploitation of CVE-2021-37378.

Immediate Steps to Take

To mitigate the risk, users should refrain from inputting untrusted data into the Friendly Name field. It is crucial to avoid interacting with potentially malicious inputs to prevent exploitation.

Long-Term Security Practices

Implementing robust input validation mechanisms and regularly updating firmware can enhance the overall security posture of Teradek Cube and Cube Pro devices. Additionally, educating users on safe data entry practices is essential.

Patching and Updates

Although the affected product has reached End of Life and will not receive firmware updates, users should consider alternative security measures or product replacements to safeguard against CVE-2021-37378 exploitation.