Malicious Code Detected in node-calculator-ab44: A Critical Vulnerability
Summary
MAL-2025-192838: Malicious code in node-calculator-ab44 (npm). Affects node-calculator-ab44 versions 2.3.0 – 2.4.0. No fix is published. How to fix ↓
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Background
node-calculator-ab44 is an npm package designed for performing basic arithmetic calculations in Node.js applications. It provides a simple API for developers to integrate mathematical functionalities into their projects. However, this package has been identified as containing malicious code, posing significant security risks to applications that utilize it.
Vulnerability Detail
The vulnerability in node-calculator-ab44 arises from the inclusion of malicious code that can execute harmful operations within the user's environment. This issue was reported by ReversingLabs and affects versions 2.3.0 and 2.4.0. The malicious code can lead to unauthorized access, data breaches, or even complete system compromise, making it imperative for users to address this vulnerability promptly.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall node-calculator-ab44If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users can remove the node-calculator-ab44 package from their project until a secure version is confirmed. This can be done by running the command: npm uninstall node-calculator-ab44.
Conclusion
The discovery of malicious code in the node-calculator-ab44 package poses a serious threat to applications that utilize it. Users are strongly encouraged to update to the latest version or remove the package to safeguard their systems. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
The malicious code can execute harmful operations that may compromise the security of applications using this package.
Versions 2.3.0 and 2.4.0 of node-calculator-ab44 are known to contain the malicious code.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without needing to sign up.
If immediate updates are not possible, consider uninstalling the package as a temporary measure to mitigate risks.
The vulnerability was reported by ReversingLabs, a cybersecurity firm specializing in threat intelligence.
