CVE-2019-14802 : Vulnerability Insights and Analysis
Learn about CVE-2019-14802, a vulnerability in HashiCorp Nomad versions 0.5.0 through 0.9.4 that exposes environment variables during template rendering. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
This CVE record pertains to a vulnerability in HashiCorp Nomad versions 0.5.0 through 0.9.4, which unintentionally exposes environment variables during template rendering.
Understanding CVE-2019-14802
This CVE involves a security issue in HashiCorp Nomad versions 0.5.0 through 0.9.4 that exposes environment variables during template rendering.
What is CVE-2019-14802?
The vulnerability in HashiCorp Nomad versions 0.5.0 through 0.9.4 allows environment variables to be exposed during the rendering of templates, impacting the nomad/client/allocrunner/taskrunner/template module.
The Impact of CVE-2019-14802
This vulnerability can potentially lead to sensitive information leakage and unauthorized access to environment variables, posing a risk to the confidentiality and integrity of the system.
Technical Details of CVE-2019-14802
This section provides technical details of the CVE-2019-14802 vulnerability.
Vulnerability Description
The vulnerability in HashiCorp Nomad versions 0.5.0 through 0.9.4 exposes environment variables during template rendering, which can be exploited by attackers to access sensitive information.
Affected Systems and Versions
- Affected System: HashiCorp Nomad
- Affected Versions: 0.5.0 through 0.9.4
Exploitation Mechanism
Attackers can exploit this vulnerability by manipulating the rendering of templates to gain access to environment variables and potentially sensitive data.
Mitigation and Prevention
To address CVE-2019-14802, follow these mitigation and prevention measures.
Immediate Steps to Take
- Upgrade to HashiCorp Nomad version 0.9.5 or newer to mitigate the vulnerability.
- Implement strict access controls to limit exposure of environment variables.
Long-Term Security Practices
- Regularly review and update security configurations to prevent similar vulnerabilities.
- Conduct security training for personnel to enhance awareness of data protection.
Patching and Updates
- Stay informed about security updates and patches released by HashiCorp.