CVE-2019-18233 : Security Advisory and Response

Advantech Spectre RT Industrial Routers ERT351 versions 5.1.3 and earlier are vulnerable to a reflected cross-site scripting (XSS) attack due to improper input sanitization in error responses.

Understanding CVE-2019-18233

This CVE identifies a security vulnerability in Advantech Spectre RT Industrial Routers ERT351.

What is CVE-2019-18233?

The vulnerability in Advantech Spectre RT Industrial Routers ERT351 versions 5.1.3 and prior allows attackers to execute a reflected XSS attack by exploiting the product's failure to sanitize special characters in error responses.

The Impact of CVE-2019-18233

The vulnerability could lead to unauthorized access, data theft, and potential compromise of sensitive information on affected systems.

Technical Details of CVE-2019-18233

Advantech Spectre RT Industrial Routers ERT351 versions 5.1.3 and earlier are susceptible to this security flaw.

Vulnerability Description

The issue arises from the product's inability to properly neutralize special characters in error responses, enabling malicious actors to launch reflected XSS attacks.

Affected Systems and Versions

Product: Advantech Spectre RT Industrial Routers ERT351
Versions Affected: 5.1.3 and prior

Exploitation Mechanism

Attackers can exploit the lack of input sanitization in error responses to inject and execute malicious scripts, potentially compromising user data and system integrity.

Mitigation and Prevention

Taking immediate action and implementing long-term security measures are crucial to mitigate the risks associated with CVE-2019-18233.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Monitor network traffic for any suspicious activities.
Educate users about phishing and social engineering tactics.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security assessments and penetration testing regularly.
Implement web application firewalls and input validation mechanisms.

Patching and Updates

Ensure that the affected Advantech Spectre RT Industrial Routers ERT351 are updated with the latest firmware versions to address the XSS vulnerability.