CVE-2019-18842 : Vulnerability Insights and Analysis

This CVE-2019-18842 article provides insights into a cross-site scripting vulnerability in the Jinan USR IOT USR-WIFI232-S/T/G2/H Low Power WiFi Module.

Understanding CVE-2019-18842

This vulnerability allows attackers to obtain sensitive credentials by exploiting the module's web interface.

What is CVE-2019-18842?

The Jinan USR IOT USR-WIFI232-S/T/G2/H Low Power WiFi Module is susceptible to a cross-site scripting (XSS) vulnerability in its configuration web interface, enabling attackers to extract Wi-Fi access point and web interface login credentials.

The Impact of CVE-2019-18842

Exploiting this vulnerability can lead to unauthorized access to sensitive information, compromising the security of the connected Wi-Fi network and the module's web interface.

Technical Details of CVE-2019-18842

This section delves into the specifics of the vulnerability.

Vulnerability Description

The XSS vulnerability in the module's web version 1.2.2 allows attackers to create a malicious SSID on a nearby Wi-Fi access point, facilitating the extraction of credentials.

Affected Systems and Versions

Product: Jinan USR IOT USR-WIFI232-S/T/G2/H Low Power WiFi Module
Version: 1.2.2

Exploitation Mechanism

Attackers exploit the XSS flaw by setting up a rogue Wi-Fi access point with a malicious SSID, enabling them to capture sensitive credentials.

Mitigation and Prevention

Protecting against CVE-2019-18842 requires immediate actions and long-term security measures.

Immediate Steps to Take

Disable the module's web interface if not essential for operations.
Regularly monitor network traffic for suspicious activities.
Implement strong Wi-Fi network security practices.

Long-Term Security Practices

Conduct regular security audits and vulnerability assessments.
Keep the module's firmware up to date to patch known vulnerabilities.

Patching and Updates

Apply security patches provided by the vendor to address the XSS vulnerability and enhance the module's security.