Malicious Code Injection in warm_chipmunk_z3n: A Threat to npm Packages
Summary
MAL-2025-97312: Malicious code in warm_chipmunk_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package warm_chipmunk_z3n is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This campaign has been known to flood the npm registry with packages that contain scripts designed to manipulate package metadata. The primary function of these packages is to inflate developer reputation scores for token rewards, which can lead to a polluted npm registry and potential security risks for users.
Vulnerability Detail
The vulnerability in warm_chipmunk_z3n stems from its malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, which can lead to the continuous republishing of these variants. The origin of this vulnerability is linked to the tea.xyz token reward campaign, which employs autopublish scripts to automate the creation of derivative packages. The ramifications include the potential for developers to unknowingly install compromised packages, leading to security breaches and loss of trust in the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall warm_chipmunk_z3nIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using the warm_chipmunk_z3n package altogether and monitor your dependencies for any malicious activity. Additionally, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities in real-time.
Conclusion
The warm_chipmunk_z3n package poses a significant risk due to its malicious code that alters package metadata and repopulates the npm registry with compromised packages. It is crucial to remove this package from your projects and utilize tools like Vulert for ongoing monitoring to safeguard your applications.
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FAQ
warm_chipmunk_z3n is an npm package that is part of a malicious campaign to inflate developer reputation scores through the creation of derivative packages.
The vulnerability can lead to the installation of compromised packages, which may introduce security risks and affect the integrity of your project.
If you have installed warm_chipmunk_z3n, it is recommended to uninstall it immediately and monitor your project for any unusual activity.
Yes, you can prevent such vulnerabilities by regularly auditing your dependencies, using tools like Vulert to monitor for vulnerabilities, and being cautious when adding new packages.
Vulert is a tool that monitors your package-lock.json for open-source vulnerabilities in real-time. You can use the Vulert playground to check if your application is affected by this vulnerability without needing to sign up.
