CVE-2021-3815
JavaScript vulnerability analysis and mitigation

Overview

utils.js was found to be vulnerable to Improperly Controlled Modification of Object Prototype Attributes, also known as Prototype Pollution. The vulnerability was assigned CVE-2021-3815 and was discovered in September 2021 (CVE Mitre).

Technical details

The vulnerability exists in the ObjectUtil.js component of the utils.js library where object prototype attributes could be modified improperly. The issue specifically involved the ability to manipulate the 'proto' property, which could lead to prototype pollution attacks (Github Commit).

Impact

The vulnerability could allow an attacker to modify the prototype of JavaScript objects, potentially affecting all objects in the application and leading to security issues across the application (CVE Mitre).

Mitigation and workarounds

The issue was fixed by adding a check for the 'proto' key in the object manipulation logic, preventing prototype pollution attempts. The fix was implemented in a commit that added specific protection against prototype pollution (Github Commit).

Additional resources


SourceThis report was generated using AI

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