CVE-2020-26943 : Security Advisory and Response
Discover the impact of CVE-2020-26943 in OpenStack blazar-dashboard. Learn about the vulnerability allowing unauthorized access to the Horizon host and how to mitigate it.
OpenStack blazar-dashboard before versions 1.3.1, 2.0.0, and 3.0.0 is vulnerable to remote code execution, allowing unauthorized access to the Horizon host.
Understanding CVE-2020-26943
An issue in OpenStack blazar-dashboard plugin can lead to code execution on the Horizon host, potentially compromising the Horizon service.
What is CVE-2020-26943?
The vulnerability in OpenStack blazar-dashboard allows a user to execute code on the Horizon host, exploiting the Python eval function.
The Impact of CVE-2020-26943
- Unauthorized access to the Horizon host
- Potential compromise of the Horizon service
Technical Details of CVE-2020-26943
The technical aspects of the vulnerability are crucial to understanding its implications.
Vulnerability Description
- OpenStack blazar-dashboard before versions 1.3.1, 2.0.0, and 3.0.0
- Allows a user to trigger code execution on the Horizon host
Affected Systems and Versions
- All setups using the Horizon dashboard with the blazar-dashboard plugin
Exploitation Mechanism
- User access to the Blazar dashboard in Horizon
- Utilization of the Python eval function
Mitigation and Prevention
Protecting systems from CVE-2020-26943 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update blazar-dashboard to versions 1.3.1, 2.0.0, or 3.0.0
- Restrict access to the Horizon dashboard
- Monitor for unauthorized code execution
Long-Term Security Practices
- Regular security audits and code reviews
- Implement least privilege access controls
Patching and Updates
- Apply patches provided by OpenStack
- Stay informed about security advisories and updates