CVE-2020-11110 : What You Need to Know
Learn about CVE-2020-11110 affecting Grafana through 6.7.1, allowing stored XSS attacks. Find out the impact, affected systems, exploitation method, and mitigation steps.
Grafana through 6.7.1 allows stored XSS due to insufficient input protection in the originalUrl field, enabling attackers to inject JavaScript code.
Understanding CVE-2020-11110
What is CVE-2020-11110?
Grafana through version 6.7.1 is vulnerable to stored Cross-Site Scripting (XSS) attacks, allowing malicious actors to execute arbitrary JavaScript code.
The Impact of CVE-2020-11110
This vulnerability permits attackers to inject and execute malicious scripts, potentially leading to unauthorized access, data theft, or further exploitation of the affected system.
Technical Details of CVE-2020-11110
Vulnerability Description
Insufficient input validation in the originalUrl field of Grafana versions up to 6.7.1 allows for the storage of malicious scripts, which are executed when a user interacts with specific functionalities.
Affected Systems and Versions
- Product: Grafana
- Vendor: N/A
- Versions: Up to 6.7.1
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting JavaScript code into the originalUrl field and triggering its execution by enticing a user to click on 'Open Original Dashboard' after viewing a snapshot.
Mitigation and Prevention
Immediate Steps to Take
- Update Grafana to the latest version to patch the vulnerability.
- Avoid clicking on suspicious links or interacting with untrusted Grafana dashboards.
Long-Term Security Practices
- Implement input validation mechanisms to sanitize user inputs effectively.
- Regularly monitor and audit the security configurations of Grafana installations.
Patching and Updates
Apply security patches and updates provided by Grafana to address this XSS vulnerability.