CVE-2017-7665 : What You Need to Know

Apache NiFi versions prior to 0.7.4 and 1.x versions before 1.3.0 had inadequate protection against cross-site scripting (XSS) vulnerabilities.

Understanding CVE-2017-7665

Apache NiFi had vulnerabilities related to user input components in the user interface that failed to adequately guard against certain types of XSS vulnerabilities.

What is CVE-2017-7665?

CVE-2017-7665 is a vulnerability in Apache NiFi versions before 0.7.4 and 1.x versions prior to 1.3.0 that left user input components in the UI insufficiently protected against XSS issues.

The Impact of CVE-2017-7665

The vulnerability could allow attackers to exploit XSS weaknesses in Apache NiFi, potentially leading to information disclosure.

Technical Details of CVE-2017-7665

Apache NiFi's vulnerability details and affected systems.

Vulnerability Description

Certain user input components in Apache NiFi's UI were meant to prevent XSS vulnerabilities but were found to be inadequate, allowing potential exploitation.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers could exploit the XSS weaknesses in Apache NiFi's user interface to potentially disclose sensitive information.

Mitigation and Prevention

Steps to mitigate and prevent CVE-2017-7665.

Immediate Steps to Take

Upgrade Apache NiFi to version 0.7.4 or higher for 0.x versions and 1.3.0 or newer for 1.x versions.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly update and patch Apache NiFi to the latest versions.
Conduct security audits and assessments to identify and address vulnerabilities.

Patching and Updates

Apply security patches provided by Apache Software Foundation to address the XSS vulnerabilities in Apache NiFi.