Improper Input Validation Affecting @openzeppelin/contracts-upgradeable package, versions >=4.1.0 <4.3.2
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Test your applications- Snyk ID SNYK-JS-OPENZEPPELINCONTRACTSUPGRADEABLE-1585626
- published 16 Sep 2021
- disclosed 15 Sep 2021
- credit Unknown
How to fix?
Upgrade @openzeppelin/contracts-upgradeable to version 4.3.2 or higher.
Overview
@openzeppelin/contracts-upgradeable is a Secure Smart Contract library for Solidity.
Affected versions of this package are vulnerable to Improper Input Validation. Upgradeable contracts using UUPSUpgradeable may be vulnerable to an attack affecting uninitialized implementation contracts.
Due to this vulnerability, it is recommended that all projects using the UUPS proxy pattern should initialize their implementation contracts, even after upgrading to the fixed version. An example of how to do this is here.