CVE-2021-43415 : What You Need to Know
Learn about CVE-2021-43415 affecting HashiCorp Nomad and Nomad Enterprise versions. Find out the impact, exploitation, and mitigation steps for this vulnerability.
HashiCorp Nomad and Nomad Enterprise up to versions 1.0.13, 1.1.7, and 1.2.0, with the QEMU task driver enabled, allowed authenticated users to bypass configured allowed image paths. Fixed in versions 1.0.14, 1.1.8, and 1.2.1.
Understanding CVE-2021-43415
HashiCorp Nomad and Nomad Enterprise vulnerability with bypassing allowed image paths.
What is CVE-2021-43415?
This CVE pertains to HashiCorp Nomad and Nomad Enterprise software versions that, with the QEMU task driver enabled, permitted authenticated users with job submission capabilities to bypass the specified allowed image paths.
The Impact of CVE-2021-43415
- Authenticated users could circumvent configured image path restrictions
Technical Details of CVE-2021-43415
Details of the vulnerability in HashiCorp Nomad and Nomad Enterprise.
Vulnerability Description
The vulnerability allowed authorized users to evade the constraints on allowed image paths.
Affected Systems and Versions
- HashiCorp Nomad and Nomad Enterprise versions up to 1.0.13, 1.1.7, and 1.2.0
Exploitation Mechanism
- Authenticated users with job submission capabilities could exploit this vulnerability
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2021-43415 issue.
Immediate Steps to Take
- Update HashiCorp Nomad and Nomad Enterprise to versions 1.0.14, 1.1.8, or 1.2.1
Long-Term Security Practices
- Regularly review and update access controls
- Monitor and audit user activities
Patching and Updates
- Apply the security patches provided in versions 1.0.14, 1.1.8, and 1.2.1