CVE-2018-18837 : Vulnerability Insights and Analysis

Netdata 1.10.0 has encountered a problem with HTTP Header Injection in the api/v1/data filename parameter. This issue is rooted in web_client_api_request_v1_data in web/api/web_api_v1.c.

Understanding CVE-2018-18837

An issue was discovered in Netdata 1.10.0. HTTP Header Injection exists via the api/v1/data filename parameter because of web_client_api_request_v1_data in web/api/web_api_v1.c.

What is CVE-2018-18837?

CVE-2018-18837 is a vulnerability in Netdata 1.10.0 that allows HTTP Header Injection through the api/v1/data filename parameter.

The Impact of CVE-2018-18837

This vulnerability could be exploited by attackers to inject malicious HTTP headers, potentially leading to various attacks such as cross-site scripting (XSS) or data exfiltration.

Technical Details of CVE-2018-18837

Vulnerability Description

Netdata 1.10.0 is affected by HTTP Header Injection in the api/v1/data filename parameter due to a flaw in web_client_api_request_v1_data in web/api/web_api_v1.c.

Affected Systems and Versions

Product: Netdata 1.10.0
Vendor: Netdata
Version: 1.10.0

Exploitation Mechanism

The vulnerability can be exploited by manipulating the filename parameter in the api/v1/data endpoint, allowing attackers to inject malicious HTTP headers.

Mitigation and Prevention

Immediate Steps to Take

Update Netdata to the latest version to patch the vulnerability.
Monitor network traffic for any suspicious HTTP header injections.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs.
Regularly audit and review web application code for security vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates for Netdata to address known vulnerabilities.