Prototype Pollution in async merge-object
Critical severity
GitHub Reviewed
Published
Sep 18, 2018
to the GitHub Advisory Database
•
Updated Jan 9, 2023
Description
Published to the GitHub Advisory Database
Sep 18, 2018
Reviewed
Jun 16, 2020
Last updated
Jan 9, 2023
The utilities function in all versions of the merge-object 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.
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