vulnerability

Red Hat: CVE-2018-3750: Prototype pollution can allow attackers to modify object properties (Multiple Advisories)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Jul 3, 2018
Added
Feb 24, 2021
Modified
Mar 27, 2026

Description

The utilities function in all versions <= 0.5.0 of the deep-extend node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.

Solutions

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Title
Rapid7 Labs

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