highLogic errorEVM-Solidity
DittoETH: A successfully disputed redemption proposal has still increased the redemption fee base rate; exploit to depeg dUSD
- Payout
- $0
- Protocol
- DittoETH
- Disclosed
- Jun 25, 2024
- Source
- code4rena
DittoETH's redemption mechanism raises the redemption-fee base rate when a redemption is proposed but never restores it when the proposal is successfully disputed. Because the fee gates the incentive to redeem dUSD, an attacker who repeatedly proposes and then …
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References
- https://github.com/code-423n4/2024-03-dittoeth-findings/issues/274
- https://github.com/code-423n4/2024-03-dittoeth-findings
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