mediumLogic errorEVM-Solidity
eBTC Protocol: Attacker can utilize function `CdpManager.redeemCollateral()` to break the order of sortedCdps
- Payout
- $0
- Protocol
- eBTC Protocol
- Disclosed
- Feb 13, 2024
- Source
- code4rena
eBTC's CdpManager.redeemCollateral() corrupts the SortedCdps ordering invariant because the redemption loop reinserts a partially-redeemed Cdp into the sorted list (using caller-supplied upper/lower hints) before the fully-redeemed nodes in the same batch are …
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References
- https://github.com/code-423n4/2023-10-badger-findings/issues/173
- https://github.com/code-423n4/2023-10-badger-findings
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