Critical Malicious Code Vulnerability in ec2-github-runner Package
Summary
MAL-2025-5775: Malicious code in ec2-github-runner (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The ec2-github-runner package is designed to facilitate the deployment of GitHub Actions runners on Amazon EC2 instances. It streamlines the process of setting up and managing these runners, making it easier for developers to automate workflows. However, this package has been identified to contain malicious code that compromises the security of systems where it is installed.
Vulnerability Detail
The vulnerability originates from the inclusion of embedded malicious code within the ec2-github-runner package. This code can lead to a complete compromise of any computer that has the package installed. Attackers may gain unauthorized access to sensitive information, including secrets and keys stored on the affected system. The malicious nature of this code poses significant risks, as it can allow external entities to control the compromised computer, potentially leading to data breaches and further exploitation.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall ec2-github-runnerIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
There are no effective workarounds for this vulnerability other than removing the package entirely. It is recommended to monitor your systems for any signs of compromise and take necessary precautions.
Conclusion
The ec2-github-runner package contains a critical vulnerability due to embedded malicious code, which can lead to severe security risks. Immediate action is required to remove the package and secure any compromised systems. Utilizing tools like Vulert can help in monitoring and preventing future vulnerabilities.
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FAQ
You should immediately remove the ec2-github-runner package and rotate all secrets and keys stored on the affected system.
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Failing to address this vulnerability can lead to unauthorized access to sensitive data, potential data breaches, and loss of control over your systems.
Regularly monitor your dependencies for vulnerabilities using tools like Vulert and keep your packages updated to the latest secure versions.
The vulnerability information is sourced from the GitHub Security Advisory database and is documented in the malicious packages repository.
