CVE-2017-7667 : Vulnerability Insights and Analysis

Apache NiFi versions prior to 0.7.4 and 1.x versions prior to 1.3.0 are required to set the response header, which instructs browsers to allow framing only from the same origin.

Understanding CVE-2017-7667

Apache NiFi before version 0.7.4 and 1.x before 1.3.0 need to establish the response header telling browsers to only allow framing with the same origin.

What is CVE-2017-7667?

CVE-2017-7667 is a vulnerability in Apache NiFi that affects versions before 0.7.4 and 1.x before 1.3.0. It requires setting the response header to restrict framing to the same origin.

The Impact of CVE-2017-7667

This vulnerability could lead to information disclosure, potentially allowing attackers to access sensitive data.

Technical Details of CVE-2017-7667

Vulnerability Description

The issue in Apache NiFi versions prior to 0.7.4 and 1.x versions prior to 1.3.0 requires the response header to limit framing to the same origin.

Affected Systems and Versions

Product: Apache NiFi
Vendor: Apache Software Foundation
Affected Versions: 0.0.1 to 0.7.3, 1.0.0 to 1.2.0

Exploitation Mechanism

Attackers could exploit this vulnerability to gain unauthorized access to sensitive information by bypassing the framing restrictions.

Mitigation and Prevention

Immediate Steps to Take

Upgrade Apache NiFi to version 0.7.4 or higher for 0.x versions and 1.3.0 or higher for 1.x versions.
Implement proper security configurations to restrict framing to the same origin.

Long-Term Security Practices

Regularly update and patch Apache NiFi to the latest versions to address security vulnerabilities.
Monitor and restrict network access to prevent unauthorized exploitation of vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by Apache Software Foundation to mitigate CVE-2017-7667.