What is GHSA-4g77-cvgw-grvw?

GHSA-4g77-cvgw-grvw is a security advisory published by GitHub Security Advisories with High severity. Prototype Pollution in putil-merge

Which CVE IDs does GHSA-4g77-cvgw-grvw cover?

GHSA-4g77-cvgw-grvw covers the following CVE IDs: CVE-2021-23470. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-4g77-cvgw-grvw?

GHSA-4g77-cvgw-grvw has a CVSS v3 base score of 8.2, published by GitHub Security Advisories.

Which products are affected by GHSA-4g77-cvgw-grvw?

GHSA-4g77-cvgw-grvw affects 1 product, including: npm/putil-merge:\u003c 3.8.0.

GHSA-4g77-cvgw-grvwHighCVSS 8.2

Prototype Pollution in putil-merge

Vendor

GitHub Security Advisories

Published

February 5, 2022

Last Modified

February 3, 2023

🔗 CVE IDs covered (1)

CVE-2021-23470 →

📋 Description

This affects the package putil-merge before 3.8.0. The merge() function does not check the values passed into the argument. An attacker can supply a malicious value by adjusting the value to include the constructor property. Note: This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-PUTILMERGE-1317077

🎯 Affected products1

npm/putil-merge:< 3.8.0

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-23470
https://github.com/panates/putil-merge/commit/476d00078dfb2827d7c9ee0f2392c81b864f7bc5
https://snyk.io/vuln/SNYK-JS-PUTILMERGE-2391487
https://github.com/advisories/GHSA-4g77-cvgw-grvw