CVE-2019-3982 : Vulnerability Insights and Analysis

A security issue has been identified in Nessus versions 8.6.0 and prior, potentially leading to a Denial of Service situation when certain imported scan types are not properly validated.

Understanding CVE-2019-3982

This CVE involves a vulnerability in Tenable Nessus versions 8.6.0 and earlier that could be exploited by an authenticated, remote attacker to cause temporary unresponsiveness in a Nessus scanner.

What is CVE-2019-3982?

The vulnerability in Nessus versions 8.6.0 and earlier stems from improper validation of specific imported scan types.

The Impact of CVE-2019-3982

Successful exploitation by an attacker could result in the temporary unresponsiveness of a Nessus scanner, potentially leading to a Denial of Service situation.

Technical Details of CVE-2019-3982

This section provides more technical insights into the vulnerability.

Vulnerability Description

A flaw in the validation process of certain imported scan types in Nessus versions 8.6.0 and earlier.

Affected Systems and Versions

Tenable Nessus, all versions prior to 8.6.0.

Exploitation Mechanism

An authenticated, remote attacker could exploit the vulnerability to cause a Nessus scanner to become temporarily unresponsive.

Mitigation and Prevention

Steps to address and prevent the CVE-2019-3982 vulnerability.

Immediate Steps to Take

Update Nessus to version 8.6.0 or later to mitigate the vulnerability.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch all software and systems to prevent vulnerabilities.
Implement strong authentication mechanisms to prevent unauthorized access.

Patching and Updates

Apply patches and updates provided by Tenable to ensure the security of Nessus.