CVE-2019-11466 Explained : Impact and Mitigation
Learn about CVE-2019-11466, a vulnerability in Couchbase Server versions 6.0.0 and 5.5.0 where the eventing service exposed the system diagnostic profile without requiring credentials. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Couchbase Server versions 6.0.0 and 5.5.0 had a vulnerability where the eventing service exposed the system diagnostic profile via an HTTP endpoint without requiring credentials. This issue was resolved in version 6.0.1, which now mandates valid credentials for access.
Understanding CVE-2019-11466
This CVE pertains to a security vulnerability in Couchbase Server versions 6.0.0 and 5.5.0 related to unauthorized access to the system diagnostic profile.
What is CVE-2019-11466?
In Couchbase Server 6.0.0 and 5.5.0, the eventing service provided an HTTP endpoint to access the system diagnostic profile without the need for credentials, posing a security risk.
The Impact of CVE-2019-11466
The vulnerability allowed unauthorized users to access sensitive system diagnostic information without proper authentication, potentially leading to data breaches or unauthorized system manipulation.
Technical Details of CVE-2019-11466
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The eventing service in Couchbase Server versions 6.0.0 and 5.5.0 exposed the system diagnostic profile via an HTTP endpoint on an internal traffic-only port without requiring credentials.
Affected Systems and Versions
- Affected Versions: Couchbase Server 6.0.0 and 5.5.0
- Resolved Version: 6.0.1
Exploitation Mechanism
Unauthorized users could exploit this vulnerability by accessing the HTTP endpoint allocated for the system diagnostic profile without the need for valid credentials.
Mitigation and Prevention
Protect your systems from CVE-2019-11466 with the following steps:
Immediate Steps to Take
- Upgrade to the latest version (6.0.1) of Couchbase Server to mitigate the vulnerability.
- Ensure that valid credentials are set up to access the system diagnostic profile.
Long-Term Security Practices
- Regularly monitor and update your systems to address security vulnerabilities promptly.
- Implement access controls and authentication mechanisms to prevent unauthorized access to sensitive information.
Patching and Updates
- Stay informed about security alerts and updates from Couchbase to apply patches and fixes promptly.