Malicious Code Vulnerability in thin_tiger_z3n Package
Summary
MAL-2025-109609: Malicious code in thin_tiger_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The thin_tiger_z3n package is part of the npm ecosystem, often utilized for various JavaScript projects. It is associated with the tea.xyz token reward campaign, which has been linked to the proliferation of malicious packages designed to inflate developer reputation scores. This package, like others in its category, is vulnerable to exploitation due to its inherent design flaws that allow for the insertion of harmful scripts.
Vulnerability Detail
The vulnerability in the thin_tiger_z3n package stems from its malicious code, which modifies the package.json file to remove private flags and alters version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior not only compromises the integrity of the npm ecosystem but also poses significant risks to developers who may unknowingly use these tainted packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall thin_tiger_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 thin_tiger_z3n package altogether and look for alternative packages that provide similar functionality without the associated risks.
Conclusion
The thin_tiger_z3n package poses a significant risk due to its malicious code that alters project files and repopulates the npm registry with harmful variants. It is crucial for developers to remove this package and monitor their projects for similar vulnerabilities to maintain security.
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FAQ
The thin_tiger_z3n package 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 modification of your package.json file, potentially compromising your project's integrity and security.
You should uninstall the package immediately using 'npm uninstall thin_tiger_z3n' and check for any other affected packages.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without requiring any signup.
