Malicious Code Vulnerability in mechanical_marlin_z3n Package
Summary
MAL-2025-98810: Malicious code in mechanical_marlin_z3n (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The mechanical_marlin_z3n package is part of the npm ecosystem, designed to facilitate various functionalities within JavaScript applications. However, it has been identified as part of a malicious campaign that floods the npm registry with derivative packages. This package is particularly vulnerable due to its association with scripts that manipulate package metadata for nefarious purposes.
Vulnerability Detail
The vulnerability originates from the mechanical_marlin_z3n package being part of a larger malicious scheme associated with the tea.xyz token reward campaign. It contains scripts that automatically modify the package.json file to remove private flags, alter version numbers, and generate random package names. This leads to the continuous republishing of variants, which can pollute the npm registry and inflate developer reputation scores fraudulently. The ramifications include potential security risks for applications using this package, as well as the degradation of the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mechanical_marlin_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 mechanical_marlin_z3n package from your project by executing the following command: npm uninstall mechanical_marlin_z3n. This will prevent any malicious code from executing until a patched version is available.
Conclusion
The mechanical_marlin_z3n package has been identified as containing malicious code that can compromise the integrity of applications using it. It is crucial to update or remove this package to protect your application from potential security threats. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
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FAQ
The mechanical_marlin_z3n package is an npm package that has been identified as part of a malicious campaign, designed to manipulate package metadata and inflate developer reputation scores.
This vulnerability can lead to security risks, including the potential for malicious code execution and the pollution of the npm registry, which may affect the integrity of your application's dependencies.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. By utilizing the Vulert playground, you can check if your application is affected by this vulnerability without any signup.
If you cannot update the package, consider removing it from your project as a temporary measure to mitigate risks associated with the vulnerability.
More information can be found in the vulnerability report on the official GitHub repository or by consulting security advisories related to npm packages.
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