Overview
Versions of lodash
prior to 4.17.19 are vulnerable to Prototype Pollution. The function zipObjectDeep
allows a malicious user to modify the prototype of Object
if the property identifiers are user-supplied. Being affected by this issue requires zipping objects based on user-provided property arrays.
This vulnerability causes the addition or modification of an existing property that will exist on all objects and may lead to Denial of Service or Code Execution under specific circumstances.
Remediation
Upgrade to version 4.17.19 or later.
Resources
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Advisory timeline
published
Advisory PublishedJul 1st, 2020reported
Reported by posixMay 20th, 2020