Malicious Code Injection in lentengpasar-tool: npm Package Vulnerability
Summary
MAL-2025-105080: Malicious code in lentengpasar-tool (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The lentengpasar-tool is an npm package that is part of the tea.xyz token reward campaign. It is designed to facilitate various functionalities related to token rewards. However, this package has been identified as malicious, containing scripts that automatically generate and publish derivative packages with randomized names, aimed at inflating developer reputation scores for token rewards.
Vulnerability Detail
The vulnerability originates from the malicious code embedded within the lentengpasar-tool package. This code modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which leads to the continuous republishing of these variants. This behavior pollutes the npm registry and can compromise the integrity of the software supply chain, potentially affecting developers and users relying on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall lentengpasar-toolIf 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 lentengpasar-tool package from your project by executing the following command: npm uninstall lentengpasar-tool. This will prevent any malicious code from executing until a secure version is available.
Conclusion
The lentengpasar-tool package has been identified as containing malicious code that can compromise the integrity of your project. It is essential to take immediate action by updating or uninstalling the package to protect your application from potential threats. Utilizing tools like Vulert can further enhance your security posture by providing real-time vulnerability alerts.
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FAQ
The lentengpasar-tool is an npm package associated with the tea.xyz token reward campaign, designed to facilitate token-related functionalities.
The malicious code modifies your package.json file, removes private flags, and generates random package names, which can lead to the pollution of the npm registry and compromise your project's integrity.
You can use Vulert, a tool that monitors and alerts for open-source vulnerabilities in your software. By analyzing your package-lock.json file, Vulert can help you identify if your application is affected by this vulnerability.
To prevent similar vulnerabilities, regularly audit your dependencies, keep your packages updated, and utilize tools like Vulert to monitor for vulnerabilities in real-time.
If an immediate update is not possible, consider uninstalling the package as a temporary measure to mitigate risks until a secure version is available.
