Malicious Code Injection in agreeable_mastodon_z3n: A Threat to npm Packages
Summary
MAL-2025-93178: Malicious code in agreeable_mastodon_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
agreeable_mastodon_z3n is an npm package that is part of the tea.xyz token reward campaign. This package is designed to interact with the npm ecosystem, potentially offering functionalities related to social media integration or token rewards. However, it has been identified as part of a malicious scheme that floods the npm registry with derivative packages, compromising the integrity of the ecosystem.
Vulnerability Detail
The vulnerability in agreeable_mastodon_z3n stems from its involvement in a malicious campaign that utilizes autopublish scripts to generate and publish numerous derivative packages with randomized names. This behavior is intended to inflate developer reputation scores for token rewards, leading to the modification of package.json files to remove private flags, alter version numbers, and continuously republish variants. The ramifications include pollution of the npm registry, potential security risks for users, and degradation 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 agreeable_mastodon_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 remove the agreeable_mastodon_z3n package from your project by executing: npm uninstall agreeable_mastodon_z3n. This will prevent any malicious code from executing while you seek a secure alternative or wait for a patch.
Conclusion
The agreeable_mastodon_z3n package poses a significant risk due to its malicious code that affects the npm ecosystem. It is essential to take immediate action by updating or removing the package to safeguard your projects. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in real-time.
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FAQ
agreeable_mastodon_z3n is an npm package associated with the tea.xyz token reward campaign, which has been identified as containing malicious code.
The vulnerability can lead to the pollution of the npm registry and may compromise the security of your project by introducing malicious code.
If you have installed agreeable_mastodon_z3n, it is recommended to uninstall it immediately and monitor for any updates or patches.
Yes, you can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without needing to sign up.
To prevent similar vulnerabilities, regularly audit your dependencies, keep them updated, and utilize tools like Vulert for real-time monitoring.
