CVE-2018-1142 : Vulnerability Insights and Analysis

Tenable Appliance versions prior to 4.6.1 have been found to have a Cross-Site Scripting (XSS) vulnerability that can be exploited by authenticated attackers.

Understanding CVE-2018-1142

This CVE involves a specific XSS vulnerability in Tenable Appliance versions prior to 4.6.1, allowing attackers to execute arbitrary JavaScript code.

What is CVE-2018-1142?

CVE-2018-1142 is a Cross-Site Scripting (XSS) vulnerability in Tenable Appliance versions before 4.6.1, enabling attackers to manipulate URL parameters associated with offline plugins to execute malicious JavaScript code.

The Impact of CVE-2018-1142

The vulnerability in Tenable Appliance versions prior to 4.6.1 poses a risk of executing arbitrary JavaScript code by authenticated attackers, potentially leading to unauthorized access and data manipulation.

Technical Details of CVE-2018-1142

This section provides detailed technical insights into the CVE-2018-1142 vulnerability.

Vulnerability Description

Tenable Appliance versions before 4.6.1 contain a single XSS vulnerability that allows authenticated attackers to execute arbitrary JavaScript code by manipulating specific URL parameters related to offline plugins.

Affected Systems and Versions

Product: Tenable Appliance
Vendor: Tenable
Vulnerable Versions: Tenable Appliance versions prior to 4.6.1

Exploitation Mechanism

Attackers need to be authenticated to exploit the vulnerability
By manipulating specific URL parameters associated with offline plugins, attackers can execute arbitrary JavaScript code

Mitigation and Prevention

Protecting systems from CVE-2018-1142 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Tenable Appliance to version 4.6.1 or later
Monitor and restrict access to vulnerable systems
Implement strict input validation to prevent XSS attacks

Long-Term Security Practices

Regularly update and patch Tenable Appliance to address security vulnerabilities
Conduct security training for users to recognize and report suspicious activities

Patching and Updates

Apply security patches provided by Tenable for Tenable Appliance
Stay informed about security advisories and updates from Tenable