CVE-2021-3283 : Security Advisory and Response
CVE-2021-3283 impacts HashiCorp Nomad and Nomad Enterprise versions up to 0.12.9 allowing unauthorized access to processes on the same node. Learn about the impact, technical details, and mitigation steps.
HashiCorp Nomad and Nomad Enterprise versions up to 0.12.9 are affected by a vulnerability where exec and java task drivers can access processes associated with other tasks on the same node. The issue has been fixed in versions 0.12.10 and 1.0.3.
Understanding CVE-2021-3283
This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-3283.
What is CVE-2021-3283?
The vulnerability in HashiCorp Nomad and Nomad Enterprise versions up to 0.12.9 allows exec and java task drivers to access processes of other tasks on the same node.
The Impact of CVE-2021-3283
This vulnerability could be exploited by malicious actors to gain unauthorized access to processes on the affected node, potentially leading to further system compromise.
Technical Details of CVE-2021-3283
Below are the technical aspects of the CVE including a description of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
HashiCorp Nomad and Nomad Enterprise up to version 0.12.9 are susceptible to a flaw where exec and java task drivers can access processes associated with other tasks on the same node.
Affected Systems and Versions
The vulnerability affects HashiCorp Nomad and Nomad Enterprise versions up to 0.12.9.
Exploitation Mechanism
Malicious actors can exploit this vulnerability to access processes of other tasks on the same node.
Mitigation and Prevention
In this section, you will find steps to mitigate the impact of CVE-2021-3283 and prevent similar vulnerabilities in the future.
Immediate Steps to Take
Users are advised to update their Nomad installations to version 0.12.10 or 1.0.3 to mitigate the vulnerability.
Long-Term Security Practices
Implementing network segmentation and regularly reviewing access controls can help enhance overall system security.
Patching and Updates
Regularly applying security patches and staying up to date with software versions is crucial for safeguarding against known vulnerabilities.