NPM Package Could Allow for Remote Code Execution

Fortify Security Team
Oct 23, 2021

A vulnerability has been discovered in the NPM package ua-parser-js that could allow for remote code execution upon installation of the affected versions. NPM is the default package manager for the Javascript runtime environment Node.js and ua-parser-js is a popular package within NPM that is used for detecting browser, engine, OS, CPU and device type and model information from User-Agent data.

THREAT INTELLIGENCE: There are reports of this vulnerability being actively exploited for malicious purpose.

SYSTEMS AFFECTED:

  • ua-parser-js version 0.7.29, 0.8.0, and 1.0.0

RISK:

Government:

  • Large and medium government entities: Medium
  • Small government entities: Medium

Businesses:

  • Large and medium business entities: Medium
  • Small business entities: Medium

Home users: Low

TECHNICAL SUMMARY:

A vulnerability has been discovered in the NPM package ua-parser-js that could allow for remote code execution upon installation of the affected versions. Malicious actors uploaded a version of ua-parser-js that contains several malicious scripts. The scripts are executed during installation and download additional malicious files that have been reported to run a cryptocurrency miner, steal saved passwords, export OS credentials, and copy the cookies database file from Chrome.

RECOMMENDATIONS:

We recommend the following actions be taken:

  • Apply appropriate patches provided by NPM to vulnerable systems immediately after appropriate testing.
  • All secrets and keys stored on infected machines should be rotated immediately from a different machine.
  • Remind users not to download, accept or execute files from untrusted and unknown sources.
  • Remind users not to visit untrusted websites or follow links provided by untrusted or unknown sources.

REFERENCES:

Github:

https://github.com/advisories/GHSA-pjwm-rvh2-c87w

https://github.com/faisalman/ua-parser-js/issues/536

NPM:

https://www.npmjs.com/package/ua-parser-js

CISA:

https://us-cert.cisa.gov/ncas/current-activity/2021/10/22/malware-discovered-popular-npm-package-ua-parser-js

Recent Posts

Mozilla Products Could Allow for Arbitrary Code Execution

Multiple vulnerabilities have been discovered in Mozilla Firefox and Mozilla Thunderbird, the most severe of which could allow for arbitrary code execution. Mozilla Firefox is a web browser used to access the Internet. Mozilla Firefox ESR is a version of the web...

Apple Products Could Allow for Arbitrary Code Execution

Multiple vulnerabilities have been discovered in Apple Products, the most severe of which could allow for arbitrary code execution. macOS Ventura is the 19th and current major release of macOS iOS is a mobile operating system for mobile devices, including the iPhone,...

Citrix ADC and Gateway Could Allow for Authentication Bypass

Multiple vulnerabilities have been discovered in Citrix ADC and Gateway, the most severe of which could allow for Authentication Bypass. Citrix ADC and Gateway is an Application Delivery Controller and a gateway service to products respectively. Successful...