Malicious Package in asinc

asinc Updated 02 Oct 2025

Summary

02/09/2020
CRITICAL
No i
Critical
9.8

GHSA-87qw-7v97-w34r: Malicious Package in asinc. Affected versions are not published. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored Devnack Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

The asinc package is an npm package that provides asynchronous functions for JavaScript. It is commonly used in Node.js applications to handle asynchronous operations. The package has been found to contain a malicious version that was uploaded by a typosquatter. This malicious package tracked users who installed it and uploaded information to a remote server. The package was designed to look similar to the legitimate asinc package, leading users to mistakenly install it.

Vulnerability Detail

The malicious version of the asinc package tracked users who installed it and uploaded information to a remote server. The uploaded 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. The package did not compromise any further systems or data. This vulnerability poses a significant risk to users as it allows unauthorized tracking and potential exposure of sensitive information.

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 →

Conclusion

The asinc package has been found to contain a malicious version that tracked users who installed it. To mitigate this vulnerability, it is recommended to remove the package from your dependencies and ensure correct package names are used during installation. For further support on vulnerability remediation, you can contact DevNack.com.

See every vulnerability recorded for asinc →

Share this vulnerability

FAQ

This vulnerability allows unauthorized tracking of users who install the malicious asinc package. It can potentially expose sensitive information such as the name of the intended package, the Node version, and whether the process is running as sudo.

You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your package-lock.json file to the playground, and it will alert you in real-time if any open-source vulnerabilities, including this one, are detected.

There is no specific workaround for this vulnerability. The best course of action is to remove the asinc package from your dependencies and ensure correct package names are used during installation.

No, there is no evidence of further compromise resulting from this vulnerability. The malicious package only tracked users who installed it and uploaded information to a remote server.

The severity of this vulnerability is rated as CRITICAL with a CVSS score of 9.8. It poses a significant risk to users due to unauthorized tracking and potential exposure of sensitive information.

Related vulnerabilities

Recent vulnerabilities recorded for asinc.

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback