CVE-2021-4247 : Vulnerability Insights and Analysis

A vulnerability has been discovered in OWASP NodeGoat that can lead to denial of service when manipulating the Query Parameter research.js file. It is classified as problematic, and immediate action is recommended to mitigate the potential impact.

Understanding CVE-2021-4247

This section dives deeper into the details of the CVE-2021-4247 vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2021-4247?

The vulnerability affects the unknown code within the file app/routes/research.js of the OWASP NodeGoat component, specifically the Query Parameter Handler. Exploiting this vulnerability can result in a denial of service attack that can be triggered remotely. Applying the provided patch is crucial to address this security issue.

The Impact of CVE-2021-4247

The exploitation of CVE-2021-4247 can lead to a denial of service, impacting the availability of the OWASP NodeGoat application. Attackers can remotely initiate this attack, causing disruption to the service and potentially affecting users accessing the application.

Technical Details of CVE-2021-4247

Explore the technical aspects of the CVE-2021-4247 vulnerability, including its description, affected systems and versions, and how the exploitation mechanism works.

Vulnerability Description

The vulnerability in OWASP NodeGoat resides in the Query Parameter research.js file, allowing attackers to manipulate the code and trigger a denial of service condition. The issue is classified under CWE-404 Denial of Service.

Affected Systems and Versions

Vendor: OWASP Product: NodeGoat Affected Version: n/a Status: Affected

Exploitation Mechanism

Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality Impact: None Integrity Impact: None Availability Impact: Low Base Score: 4.3 (Medium Severity)

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-4247 and prevent potential security breaches by taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Apply the provided patch to address the vulnerability in OWASP NodeGoat's research.js file.
Monitor network traffic for any suspicious activity that could indicate an ongoing attack.

Long-Term Security Practices

Regularly update and patch all software components to prevent similar vulnerabilities.
Conduct security assessments and audits to identify and address any potential security gaps.

Patching and Updates

Stay informed about security updates and patches released by OWASP for NodeGoat to ensure the protection of your systems and data.