Malicious Code Injection in teagood-yakuza84: A Threat to npm Packages
Summary
MAL-2025-168046: Malicious code in teagood-yakuza84 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
teagood-yakuza84 is an npm package that is part of a broader campaign involving the tea.xyz token reward system. This package, like others in the campaign, is designed to manipulate the npm registry by automatically generating and publishing derivative packages with randomized names. Its primary function is to inflate developer reputation scores for rewards associated with the tea protocol, but it has been compromised to include malicious code.
Vulnerability Detail
The vulnerability stems from the package's malicious payload, which modifies the package.json file to remove private flags, alters version numbers, and generates random package names. This behavior leads to the continuous republishing of variants, polluting the npm registry and potentially compromising other packages. The origin of this issue is linked to the tea.xyz token reward campaign, which has flooded npm with similar malicious packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall teagood-yakuza84If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the affected package and monitor your project for any dependencies that may indirectly rely on it. Additionally, consider using tools like Vulert to monitor your package-lock.json for vulnerabilities.
Conclusion
The teagood-yakuza84 package poses a significant risk due to its malicious code that alters package metadata and pollutes the npm registry. It is crucial for developers to take immediate action by removing the package and monitoring their projects for vulnerabilities. Utilizing tools like Vulert can aid in maintaining the security of your applications.
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FAQ
teagood-yakuza84 is an npm package involved in a token reward campaign that has been compromised to include malicious code.
The malicious code modifies your package.json, removes private flags, and generates random package names, which can lead to pollution of the npm registry and potential security risks.
You should uninstall the package immediately using 'npm uninstall teagood-yakuza84' and monitor your project for any other affected dependencies.
Regularly update your dependencies, use tools like Vulert to monitor for vulnerabilities, and review your package-lock.json for any suspicious packages.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
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Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
