Overview
Versions of lodash
before 4.17.5 are vulnerable to prototype pollution.
The vulnerable functions are 'defaultsDeep', 'merge', and 'mergeWith' which allow a malicious user to modify the prototype of Object
via __proto__
causing the addition or modification of an existing property that will exist on all objects.
Remediation
Update to version 4.17.5 or later.
Resources
Have content suggestions? Visit npmjs.com/support.
Advisory timeline
published
Advisory publishedApr 24th, 2018reported
Initial report by Olivier Arteau (HoLyVieR)Apr 24th, 2018