CVE-2020-28348 : Security Advisory and Response
Learn about CVE-2020-28348 affecting HashiCorp Nomad and Nomad Enterprise versions 0.9.0 up to 0.12.7. Find out the impact, mitigation steps, and how to prevent exploitation.
HashiCorp Nomad and Nomad Enterprise 0.9.0 up to 0.12.7 client Docker file sandbox feature may be subverted when not explicitly disabled or when using a volume mount type. Fixed in 0.12.8, 0.11.7, and 0.10.8.
Understanding CVE-2020-28348
HashiCorp Nomad and Nomad Enterprise versions 0.9.0 up to 0.12.7 are affected by a vulnerability related to the client Docker file sandbox feature.
What is CVE-2020-28348?
The vulnerability in HashiCorp Nomad and Nomad Enterprise versions 0.9.0 up to 0.12.7 allows for potential subversion of the client Docker file sandbox feature under specific conditions.
The Impact of CVE-2020-28348
This vulnerability could be exploited to bypass security measures and potentially lead to unauthorized access or other malicious activities.
Technical Details of CVE-2020-28348
HashiCorp Nomad and Nomad Enterprise versions 0.9.0 up to 0.12.7 are susceptible to a specific issue.
Vulnerability Description
The client Docker file sandbox feature in the affected versions can be subverted if not explicitly disabled or when using a volume mount type.
Affected Systems and Versions
- HashiCorp Nomad and Nomad Enterprise versions 0.9.0 up to 0.12.7
Exploitation Mechanism
The vulnerability can be exploited when the client Docker file sandbox feature is not explicitly disabled or when a volume mount type is used.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade to fixed versions 0.12.8, 0.11.7, or 0.10.8 to mitigate the vulnerability.
- Disable the client Docker file sandbox feature if not needed.
Long-Term Security Practices
- Regularly update and patch HashiCorp Nomad and Nomad Enterprise to the latest secure versions.
- Implement least privilege access controls and monitor for any suspicious activities.
- Stay informed about security advisories and best practices in container security.
Patching and Updates
Ensure that all systems running HashiCorp Nomad and Nomad Enterprise are updated to versions 0.12.8, 0.11.7, or 0.10.8 to address the vulnerability.