CVE-2018-18838 : Security Advisory and Response

A vulnerability was found in Netdata 1.10.0 that allows for Log Injection (or Log Forgery) to occur through a specific sequence in the url parameter to api/v1/registry.

Understanding CVE-2018-18838

This CVE identifies a security issue in Netdata 1.10.0 that can be exploited for Log Injection.

What is CVE-2018-18838?

CVE-2018-18838 is a vulnerability in Netdata 1.10.0 that enables Log Injection by utilizing a particular sequence in the url parameter to api/v1/registry.

The Impact of CVE-2018-18838

The presence of this vulnerability can lead to Log Injection (or Log Forgery) within the affected system, potentially compromising the integrity of logs and data.

Technical Details of CVE-2018-18838

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Netdata 1.10.0 allows for Log Injection through a specific sequence in the url parameter to api/v1/registry.

Affected Systems and Versions

Affected Version: Netdata 1.10.0
Systems: Not specified

Exploitation Mechanism

The exploitation of this vulnerability involves injecting a %0a sequence in the url parameter to api/v1/registry, enabling Log Injection.

Mitigation and Prevention

Protecting systems from CVE-2018-18838 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Netdata to a patched version that addresses the Log Injection vulnerability.
Monitor logs for any suspicious activities that may indicate exploitation.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement proper input validation mechanisms to sanitize user inputs and prevent injection attacks.

Patching and Updates

Ensure that Netdata is regularly updated to the latest version to mitigate the Log Injection vulnerability.