CVE-2023-31416 Explained : Impact and Mitigation
Learn about the CVE-2023-31416 involving a secret token configuration issue in Elastic Cloud on Kubernetes (ECK), its impact, affected systems, and mitigation steps.
A detailed overview of the Elastic Cloud on Kubernetes (ECK) secret token configuration issue CVE-2023-31416.
Understanding CVE-2023-31416
This section provides insights into the vulnerability, impact, and technical details of CVE-2023-31416.
What is CVE-2023-31416?
The CVE-2023-31416 involves a secret token configuration issue in Elastic Cloud on Kubernetes (ECK) versions below 2.8 when used with APM Server version 8.0 or higher. This vulnerability could allow anonymous requests to be accepted by the APM Server, leading to data ingestion into the APM deployment.
The Impact of CVE-2023-31416
The impact of this vulnerability is considered medium with a base score of 5.3. It exposes sensitive information to unauthorized actors, potentially compromising the security of the APM deployment.
Technical Details of CVE-2023-31416
In this section, we delve into the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The issue arises from the failure to apply secret token configuration in ECK versions below 2.8 when used with APM Server 8.0 or higher, allowing for the acceptance of anonymous requests.
Affected Systems and Versions
The vulnerability impacts Elastic Cloud on Kubernetes (ECK) versions below 2.8 when coupled with APM Server 8.0 or higher.
Exploitation Mechanism
The exploitation involves leveraging the lack of secret token configuration in ECK <2.8 when interacting with APM Server >=8.0 to send anonymous requests for unauthorized data ingestion.
Mitigation and Prevention
Learn about the immediate steps to address the CVE-2023-31416 and the long-term security practices and patching measures.
Immediate Steps to Take
Users are advised to update ECK to version 2.8 or higher and ensure the proper configuration of secret tokens to mitigate the vulnerability. Review and restrict access to sensitive data to prevent unauthorized ingestion.
Long-Term Security Practices
Implement robust access controls, regularly monitor for suspicious activities, and keep all software components updated to prevent security gaps.
Patching and Updates
Stay informed about security advisories from Elastic and promptly apply patches and updates to ECK and APM Server to protect against known vulnerabilities.