CVE-2017-7296 Explained : Impact and Mitigation

A vulnerability has been found in version 3.0 of the Contiki Operating System, specifically in the MQTT/IBM Cloud Config page of the cc26xx-web-demo, leading to a Persistent XSS issue.

Understanding CVE-2017-7296

This CVE identifies a Persistent XSS vulnerability in the Contiki Operating System version 3.0.

What is CVE-2017-7296?

The vulnerability exists in the MQTT/IBM Cloud Config page (mqtt.html) of the cc26xx-web-demo in Contiki OS.
The issue allows for JavaScript code injection due to inadequate sanitization of text fields on the mentioned page.

The Impact of CVE-2017-7296

Attackers can exploit this vulnerability to inject malicious JavaScript code, potentially compromising the device's operation and data.

Technical Details of CVE-2017-7296

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability is a Persistent XSS flaw in the MQTT/IBM Cloud Config page of the cc26xx-web-demo in Contiki OS.

Affected Systems and Versions

Contiki Operating System version 3.0

Exploitation Mechanism

Attackers can inject JavaScript code through the text fields on the MQTT/IBM Cloud Config page, exploiting the lack of proper input sanitization.

Mitigation and Prevention

Protecting systems from CVE-2017-7296 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or restrict access to the vulnerable MQTT/IBM Cloud Config page.
Implement input validation and sanitization to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch the Contiki OS to address security vulnerabilities.
Conduct security assessments and code reviews to identify and mitigate similar issues.

Patching and Updates

Apply patches provided by Contiki OS to fix the XSS vulnerability.