CVE-2023-49145 : What You Need to Know
Learn about CVE-2023-49145 affecting Apache NiFi versions 0.7.0 to 1.23.2. Upgrade to 1.24.0 or 2.0.0-M1 to prevent DOM-based cross-site scripting attacks.
Apache NiFi 0.7.0 through 1.23.2 includes the JoltTransformJSON Processor, which is susceptible to DOM-based cross-site scripting.
Understanding CVE-2023-49145
This CVE affects Apache NiFi, particularly versions 0.7.0 through 1.23.2, due to a vulnerability in the JoltTransformJSON Processor's user interface.
What is CVE-2023-49145?
The vulnerability exposes authenticated users, authorized to configure the JoltTransformJSON Processor, to arbitrary JavaScript code execution through a manipulated URL.
The Impact of CVE-2023-49145
An attacker can exploit this flaw to execute malicious scripts in the context of authenticated users, potentially leading to sensitive data exposure or unauthorized access.
Technical Details of CVE-2023-49145
The vulnerability is classified with a base score of 7.9, indicating a high-severity issue with significant implications for confidentiality, integrity, and availability of the affected system.
Vulnerability Description
Apache NiFi versions 0.7.0 through 1.23.2 are exposed to DOM-based cross-site scripting attacks, allowing an attacker to execute JavaScript within the authenticated user's session.
Affected Systems and Versions
- Package: org.apache.nifi:nifi-jolt-transform-json-ui
- Product: Apache NiFi
- Vendor: Apache Software Foundation
- Versions: 0.7.0 to 1.23.2
Exploitation Mechanism
An authenticated user, with authorization to configure a JoltTransformJSON Processor, can be tricked into accessing a crafted URL that triggers the execution of malicious JavaScript code.
Mitigation and Prevention
To address CVE-2023-49145, it is crucial to implement immediate steps and establish long-term security practices to safeguard systems and data.
Immediate Steps to Take
Upgrading to Apache NiFi versions 1.24.0 or 2.0.0-M1 is highly recommended to mitigate the vulnerability effectively.
Long-Term Security Practices
Regular security assessments, user training on phishing awareness, and monitoring of system activities can help prevent similar exploits in the future.
Patching and Updates
Stay informed about security advisories and promptly apply patches released by Apache NiFi to address known vulnerabilities.