Malicious Code Injection in mursai-nuttr-sssda: A Threat to npm Packages
Summary
MAL-2025-160999: Malicious code in mursai-nuttr-sssda (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'mursai-nuttr-sssda' is part of the npm ecosystem, which is widely used for JavaScript package management. This package has been identified as part of a malicious campaign aimed at exploiting npm's publishing capabilities. It is designed to automatically generate and publish derivative packages, which can lead to reputation inflation for the associated token reward campaign.
Vulnerability Detail
The vulnerability in 'mursai-nuttr-sssda' originates from its association with the tea.xyz token reward campaign. The package contains scripts that modify the package.json file to remove private flags, alter version numbers, and generate random package names. This behavior allows the package to continuously republish variants, polluting the npm registry and potentially compromising the integrity of other packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall mursai-nuttr-sssdaIf 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 'mursai-nuttr-sssda' package from your project by executing the command: 'npm uninstall mursai-nuttr-sssda'. This will prevent any malicious scripts from executing in your environment.
Conclusion
The 'mursai-nuttr-sssda' package poses a significant threat due to its malicious code that modifies package attributes and republish variants. It is crucial to take immediate action by updating or uninstalling the package to safeguard your application from potential exploitation.
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FAQ
The main threat is the automatic generation and publication of malicious packages that can pollute the npm registry and compromise other packages.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
If you cannot update the package, it is advisable to uninstall it as a temporary measure to prevent potential exploitation.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities using just your package-lock.json file.
Ignoring this vulnerability can lead to your application being compromised, as malicious packages may introduce security risks and affect the integrity of your project.
