CVE-2018-18985 : What You Need to Know

A cross-site scripting vulnerability has been identified in Tridium Niagara Enterprise Security versions 2.3u1, Niagara AX 3.8u4, Niagara 4.4u2, and Niagara 4.6. This vulnerability could allow an external attacker to insert malicious code into specific web pages, potentially compromising system confidentiality.

Understanding CVE-2018-18985

This CVE involves a cross-site scripting vulnerability affecting multiple versions of Tridium Niagara products.

What is CVE-2018-18985?

CVE-2018-18985 is a security vulnerability found in Tridium Niagara Enterprise Security 2.3u1, Niagara AX 3.8u4, Niagara 4.4u2, and Niagara 4.6. It allows remote attackers to inject malicious code into web pages, posing a risk to system confidentiality.

The Impact of CVE-2018-18985

The exploitation of this vulnerability could lead to unauthorized code execution on affected systems, potentially compromising sensitive information and system integrity.

Technical Details of CVE-2018-18985

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability involves improper neutralization of input during web page generation, specifically a cross-site scripting (XSS) flaw.

Affected Systems and Versions

Tridium Niagara Enterprise Security 2.3u1, all versions prior to 2.3.118.6
Niagara AX 3.8u4, all versions prior to 3.8.401.1
Niagara 4.4u2, all versions prior to 4.4.93.40.2
Niagara 4.6, all versions prior to 4.6.96.28.4

Exploitation Mechanism

The vulnerability allows remote attackers to inject and execute malicious scripts within the context of a user's session on the affected web application.

Mitigation and Prevention

Protecting systems from CVE-2018-18985 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Tridium to fix the vulnerability.
Monitor and restrict network traffic to potentially affected systems.
Educate users about the risks of clicking on suspicious links or visiting untrusted websites.

Long-Term Security Practices

Regularly update and patch all software and applications to prevent known vulnerabilities.
Implement web application firewalls and security mechanisms to detect and block malicious scripts.
Conduct regular security assessments and penetration testing to identify and address security weaknesses.

Patching and Updates

Tridium has released patches to address the CVE-2018-18985 vulnerability. It is crucial to promptly apply these patches to secure the affected systems.