CVE-2020-7218 : Security Advisory and Response
Learn about CVE-2020-7218 affecting HashiCorp Nomad and Nonad Enterprise versions up to 0.10.2, allowing unbounded resource usage in HTTP/RPC services, leading to unauthenticated denial of service. Find mitigation steps and prevention measures.
HashiCorp Nomad and Nonad Enterprise up to 0.10.2 allowed unbounded resource usage in HTTP/RPC services, leading to unauthenticated denial of service. Fixed in 0.10.3.
Understanding CVE-2020-7218
This CVE involves a vulnerability in HashiCorp Nomad and Nonad Enterprise versions up to 0.10.2, which could be exploited for unauthenticated denial of service attacks.
What is CVE-2020-7218?
The vulnerability in HashiCorp Nomad and Nonad Enterprise versions up to 0.10.2 allowed unbounded resource usage in HTTP/RPC services, making them susceptible to unauthenticated denial of service attacks. The issue was addressed in version 0.10.3.
The Impact of CVE-2020-7218
The vulnerability could be exploited by malicious actors to cause unauthenticated denial of service, potentially disrupting services and causing downtime for affected systems.
Technical Details of CVE-2020-7218
This section provides more technical insights into the CVE.
Vulnerability Description
HashiCorp Nomad and Nonad Enterprise versions up to 0.10.2 were affected by a vulnerability that allowed unbounded resource usage in HTTP/RPC services, enabling unauthenticated denial of service attacks.
Affected Systems and Versions
- Product: HashiCorp Nomad and Nonad Enterprise
- Versions affected: Up to 0.10.2
Exploitation Mechanism
The vulnerability could be exploited by sending specially crafted requests to the affected HTTP/RPC services, causing unbounded resource consumption and leading to denial of service.
Mitigation and Prevention
To address CVE-2020-7218 and enhance security, follow these mitigation strategies:
Immediate Steps to Take
- Upgrade affected systems to version 0.10.3 or later, where the vulnerability is fixed.
- Monitor network traffic for any unusual patterns that could indicate exploitation attempts.
Long-Term Security Practices
- Regularly update and patch software to ensure the latest security fixes are in place.
- Implement network segmentation and access controls to limit exposure to potential attacks.
Patching and Updates
- Apply patches and updates provided by HashiCorp promptly to mitigate the vulnerability and enhance system security.