Malicious Code Vulnerability in abstract_ostrich_z3n Package
Summary
MAL-2025-99049: Malicious code in abstract_ostrich_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The abstract_ostrich_z3n package is part of the npm ecosystem and appears to be associated with the tea.xyz token reward campaign. This package is designed to facilitate the automatic generation and publication of derivative packages, which can inflate developer reputation scores for token rewards. However, it has been identified as containing malicious code that compromises its integrity and the integrity of the npm registry.
Vulnerability Detail
The vulnerability originates 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 harming developers' reputations and the overall ecosystem. The malicious scripts included in the package are designed to execute these actions automatically, making it a significant threat.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall abstract_ostrich_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 abstract_ostrich_z3n package from your project by executing the following command: npm uninstall abstract_ostrich_z3n. This will prevent any malicious code from executing while you seek a more permanent solution.
Conclusion
The abstract_ostrich_z3n package has been identified as containing malicious code that poses a significant threat to developers and the npm ecosystem. It is crucial to take immediate action by updating or removing the package to safeguard your projects and maintain the integrity of your development environment.
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FAQ
The abstract_ostrich_z3n package is an npm package associated with the tea.xyz token reward campaign, designed to automate the generation and publication of derivative packages.
The vulnerability can lead to the pollution of the npm registry and compromise the integrity of your project by allowing malicious code to execute, potentially harming your reputation as a developer.
If you have installed the abstract_ostrich_z3n package, you should uninstall it immediately and monitor your project for any unusual behavior.
Yes, you can use Vulert, which monitors and alerts in real-time for open-source vulnerabilities in your software using just package-lock.json. You can check if your application is affected by this vulnerability using the Vulert playground without any signup.
Regularly update your dependencies, monitor for vulnerabilities using tools like Vulert, and review the packages you include in your project for any known issues.
