CVE-2018-18836 Explained : Impact and Mitigation

A vulnerability was found in Netdata 1.10.0 that allows JSON injection through the tqx parameter in api/v1/data due to a specific function in web/api/web_api_v1.c.

Understanding CVE-2018-18836

This CVE identifies a security issue in Netdata version 1.10.0 that can lead to JSON injection.

What is CVE-2018-18836?

CVE-2018-18836 is a vulnerability in Netdata 1.10.0 that enables JSON injection via the tqx parameter in the api/v1/data endpoint.

The Impact of CVE-2018-18836

The vulnerability can be exploited to inject malicious JSON data, potentially leading to unauthorized access or data manipulation.

Technical Details of CVE-2018-18836

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The issue exists in the web_client_api_request_v1_data function in web/api/web_api_v1.c, allowing for JSON injection through the tqx parameter.

Affected Systems and Versions

Affected Version: Netdata 1.10.0
Systems running this version are vulnerable to JSON injection.

Exploitation Mechanism

Exploitation occurs through the manipulation of the tqx parameter in the api/v1/data endpoint.

Mitigation and Prevention

Protecting systems from CVE-2018-18836 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Netdata to a patched version that addresses the JSON injection vulnerability.
Monitor and restrict access to the affected api/v1/data endpoint.

Long-Term Security Practices

Regularly audit and review code for security vulnerabilities.
Implement input validation mechanisms to prevent injection attacks.

Patching and Updates

Apply security patches provided by Netdata promptly to mitigate the JSON injection vulnerability.