mediumBridge exploitEVM-Solidity
Olas: The `refundAccount` is erroneously set to `msg.sender` instead of `tx.origin` when `refundAccount` specified as `address(0)`
- Payout
- $0
- Protocol
- Olas
- Disclosed
- Aug 6, 2024
- Source
- code4rena
In Olas's cross-chain deposit processor contracts, the fee-refund fallback logic routes excess fees to the wrong address. When a caller leaves the `refundAccount` field as `address(0)`, `_sendMessage` defaults it to `msg.sender`, but for the L1 deposit process …
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References
- https://github.com/code-423n4/2024-05-olas-findings/issues/5
- https://github.com/code-423n4/2024-05-olas-findings
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