CVE-2017-6405 : What You Need to Know

A vulnerability has been identified in Veritas NetBackup versions 8.0 and earlier, as well as NetBackup Appliance versions 3.0 and earlier, exposing hostname-based authentication to possible DNS spoofing.

Understanding CVE-2017-6405

This CVE involves a security issue in Veritas NetBackup and NetBackup Appliance versions.

What is CVE-2017-6405?

This CVE refers to a vulnerability in Veritas NetBackup 8.0 and earlier, and NetBackup Appliance 3.0 and earlier, where hostname-based authentication is susceptible to DNS spoofing.

The Impact of CVE-2017-6405

The vulnerability could allow malicious actors to spoof DNS responses, potentially leading to unauthorized access or interception of sensitive data.

Technical Details of CVE-2017-6405

This section provides technical details of the CVE.

Vulnerability Description

The security flaw in Veritas NetBackup and NetBackup Appliance versions exposes hostname-based authentication to DNS spoofing attacks.

Affected Systems and Versions

Veritas NetBackup versions 8.0 and earlier
NetBackup Appliance versions 3.0 and earlier

Exploitation Mechanism

The vulnerability can be exploited through DNS spoofing, where attackers manipulate DNS responses to redirect authentication requests.

Mitigation and Prevention

Protecting systems from CVE-2017-6405 is crucial to prevent potential security breaches.

Immediate Steps to Take

Update Veritas NetBackup and NetBackup Appliance to the latest patched versions.
Implement network monitoring to detect suspicious DNS activities.
Enforce multi-factor authentication to enhance security.

Long-Term Security Practices

Regularly review and update security configurations.
Conduct security training for employees on recognizing phishing attempts.
Perform periodic vulnerability assessments and penetration testing.

Patching and Updates

Apply security patches provided by Veritas for NetBackup and NetBackup Appliance.
Stay informed about security advisories and updates from the vendor.