mediumLogic errorEVM-Solidity
Coinbase: Balance check during `MagicSpend` validation cannot ensure that `MagicSpend` has enough balance to cover the requested fund
- Payout
- $0
- Protocol
- Coinbase
- Disclosed
- May 1, 2024
- Source
- code4rena
Coinbase's MagicSpend paymaster validated a balance check against address(this).balance during the EntryPoint's validation loop, but since all userOps in a bundle are validated before any are executed, several withdrawals in one bundle can each pass validation …
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References
- https://github.com/code-423n4/2024-03-coinbase-findings/issues/110
- https://github.com/code-423n4/2024-03-coinbase-findings
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