jszip Vulnerable to Prototype Pollution

Description

This affects the package jszip before 3.7.0. Crafting a new zip file with filenames set to Object prototype values (e.g __proto__, toString, etc) results in a returned object with a modified prototype instance.

Recommendation

Update the jszip package to the latest compatible version. Followings are version details:

• Affected version(s): **< 2.7.0

  >= 3.0.0, < 3.7.0**

• Patched version(s): **2.7.0

  3.7.0**

References

• GHSA-jg8v-48h5-wgxg
• snyk.io
• CVE-2021-23413
• CWE-1321
• CAPEC-310
• OWASP 2021-A6

Related Issues

• merge vulnerable to Prototype Pollution - CVE-2021-3645
• npm package rfc6902 vulnerable to Prototype Pollution - CVE-2021-4245
• MrSwitch hello.js vulnerable to prototype pollution - CVE-2021-26505
• dustjs-linkedin vulnerable to Prototype Pollution - CVE-2021-4264

You might also like:

How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

Tags:

npm

jszip