Malicious Package in saync

saync Updated 02 Oct 2025

Summary

02/09/2020
CRITICAL
No i
Critical
9.8

GHSA-pm9v-325f-5g74: Malicious Package in saync. Affected versions are not published. No fix is published. How to fix ↓

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Background

The saync package is an npm package that provides asynchronous control flow for JavaScript. It allows developers to write asynchronous code in a more synchronous style. The package is widely used in Node.js applications for managing asynchronous operations. However, all versions of the saync package were found to contain a malicious package that was typosquatting on a popular package of a similar name. This malicious package tracked users who had installed it and uploaded information to a remote server. The compromised information included the name of the downloaded package, the name of the intended package, the Node version, and whether the process was running as sudo. It is important to remove this package from your dependencies and ensure that package names are typed correctly during installation.

Vulnerability Detail

The vulnerability in the saync package arises from the presence of a malicious package that was intentionally designed to deceive users. By typosquatting on a popular package, the malicious package tricked users into installing it instead of the intended package. Once installed, the malicious package collected sensitive information and sent it to a remote server. This information could potentially be used for malicious purposes. The vulnerability does not involve any code execution or further compromise beyond the data collection. However, it is still critical to address this issue promptly to protect user privacy and prevent potential misuse of the collected information.

How To Fix

No fixed version is published for this vulnerability.

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Conclusion

The saync package contains a malicious package that tracks users who mistakenly install it. This package collects sensitive information and sends it to a remote server. To address this vulnerability, it is crucial to remove the saync package from your project's dependencies and ensure that package names are typed correctly during installation. Taking prompt action will help protect user privacy and prevent potential misuse of the collected information. For further support on vulnerability remediation, you can contact DevNack.com.

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FAQ

The impact of this vulnerability is that the malicious package can collect sensitive information from users who mistakenly install it. This information includes the name of the downloaded package, the name of the intended package, the Node version, and whether the process was running as sudo. While there is no code execution or further compromise reported, the collected information could be used for malicious purposes.

You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. The Vulert Playground allows you to analyze your package-lock.json file and provides real-time monitoring and alerts for open-source vulnerabilities in your software.

No, the only way to mitigate the risk is to remove the saync package from your project's dependencies. Using an alternative package or implementing the required functionality in your code can help you achieve the same results without exposing your application to the risk of the malicious package.

There are no known workarounds for this vulnerability. The recommended solution is to remove the saync package from your project's dependencies and ensure that package names are typed correctly during installation.

For further support on vulnerability remediation, you can contact info@devnack.com. They can provide guidance and assistance in addressing this vulnerability and ensuring the security of your application.

Related vulnerabilities

Recent vulnerabilities recorded for saync.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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