CVE-2024-21505

CVSS 3.1 Score 7.5 of 10 (high)

Details

Published Mar 25, 2024
CWE ID 1321

Summary

CVE-2024-21505 is a vulnerability found in versions of the package web3-utils prior to 4.2.1. It is classified as a Prototype Pollution vulnerability, affecting the utility functions format and mergeDeep. This vulnerability arises due to an insecure recursive merge, allowing an attacker to manipulate an object's prototype. By supplying specially crafted input to these functions, the behavior of all objects inheriting from the affected prototype can be altered. The base severity of this vulnerability is rated as HIGH, with a CVSS score of 7.5, indicating a significant potential danger to organizations. To mitigate this vulnerability, users are advised to update their web3-utils package to version 4.2.1 or newer.

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