CVE-2019-0226 Explained : Impact and Mitigation

Apache Karaf Config service in Apache Karaf prior to 4.2.5 allows traversal to any directory and overwriting of existing files, posing a security risk.

Understanding CVE-2019-0226

This CVE involves a vulnerability in the Apache Karaf Config service that impacts versions prior to 4.2.5.

What is CVE-2019-0226?

The Apache Karaf Config service provides an install function that allows traversal to any directory and overwriting of existing files. The risk is mitigated if the Karaf process user has restricted permissions on the file system.

The Impact of CVE-2019-0226

The vulnerability affects all versions of Apache Karaf prior to 4.2.5.
Users are advised to upgrade to Apache Karaf version 4.2.5 or newer to address this issue.

Technical Details of CVE-2019-0226

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability allows unauthorized traversal and overwriting of files through the Apache Karaf Config service.

Affected Systems and Versions

Product: Karaf
Vendor: Apache
Versions Affected: Prior to 4.2.5

Exploitation Mechanism

The vulnerability can be exploited by utilizing the install function of the Apache Karaf Config service.

Mitigation and Prevention

Protective measures and actions to prevent exploitation.

Immediate Steps to Take

Upgrade to Apache Karaf version 4.2.5 or newer.
Ensure that the Karaf process user has restricted permissions on the file system.

Long-Term Security Practices

Regularly monitor and update permissions on the file system.
Implement least privilege access controls to limit potential risks.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Apache Karaf.