mediumLogic errorEVM-Solidity
Biconomy: `SmartAccount.sol` is intended to be upgradable but inherits from contracts that contain storage and no gaps
- Payout
- $0
- Protocol
- Biconomy
- Disclosed
- Mar 3, 2023
- Source
- code4rena
Biconomy's SmartAccount contract inherits from base contracts such as ModuleManager that hold state variables but omit storage gaps. In an upgradeable smart contract architecture, modifying state variables in base contracts without reserved storage gaps causes …
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References
- https://github.com/code-423n4/2023-01-biconomy-findings/issues/261
- https://github.com/code-423n4/2023-01-biconomy-findings
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