CVE-2019-7616 Explained : Impact and Mitigation
Learn about CVE-2019-7616, a SSRF vulnerability in Kibana versions before 6.8.2 and 7.2.1. Understand the impact, affected systems, exploitation, and mitigation steps.
Kibana versions before 6.8.2 and 7.2.1 have a vulnerability related to server-side request forgery (SSRF) in the integration of graphite for Timelion visualizer. An attacker with administrative access to Kibana can manipulate the timelion:graphite.url configuration setting to point to any desired URL, potentially gaining access to external resources via the Kibana process.
Understanding CVE-2019-7616
This CVE identifies a server-side request forgery vulnerability in Kibana versions prior to 6.8.2 and 7.2.1.
What is CVE-2019-7616?
CVE-2019-7616 is a security vulnerability in Kibana that allows an attacker with administrative access to manipulate configuration settings to perform SSRF attacks.
The Impact of CVE-2019-7616
Exploiting this vulnerability could enable an attacker to access external resources through the Kibana process, potentially leading to unauthorized data retrieval or system compromise.
Technical Details of CVE-2019-7616
Kibana versions before 6.8.2 and 7.2.1 are susceptible to SSRF attacks due to the graphite integration for Timelion visualizer.
Vulnerability Description
The flaw allows attackers to set the timelion:graphite.url configuration to a malicious URL, granting unauthorized access to external resources.
Affected Systems and Versions
- Product: Kibana
- Vendor: Elastic
- Vulnerable Versions: before 7.2.1 and 6.8.2
Exploitation Mechanism
Attackers with administrative Kibana access can exploit the SSRF vulnerability by manipulating the graphite integration settings.
Mitigation and Prevention
To address CVE-2019-7616, follow these steps:
Immediate Steps to Take
- Upgrade Kibana to version 6.8.2 or 7.2.1 to mitigate the vulnerability.
- Restrict administrative access to Kibana to trusted users only.
Long-Term Security Practices
- Regularly monitor and audit Kibana configurations for unauthorized changes.
- Educate users on SSRF risks and best practices for secure configuration.
Patching and Updates
- Apply security patches and updates provided by Elastic to address vulnerabilities and enhance system security.