mediumLogic errorEVM-Solidity
Biconomy: Doesn't Follow ERC1271 Standard
- Payout
- $0
- Protocol
- Biconomy
- Disclosed
- Mar 3, 2023
- Source
- code4rena
Biconomy's smart account contract implemented an incorrect ERC-1271 interface and magic value, using `isValidSignature(bytes,bytes)` instead of `isValidSignature(bytes32,bytes)`. When external contracts or signature verifiers queried the smart account for off- …
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References
- https://github.com/code-423n4/2023-01-biconomy-findings/issues/288
- https://github.com/code-423n4/2023-01-biconomy-findings
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