highBridge exploitEVM-Solidity
Maia DAO Ecosystem: Incorrectly reading the offset from the received data parameter to get the `depositNonce` in the `BranchBridgeAgent::anyFallback()` function
- Payout
- $0
- Protocol
- Maia DAO Ecosystem
- Disclosed
- Sep 18, 2023
- Source
- code4rena
In Maia DAO's `BranchBridgeAgent`, the `anyFallback()` function fails to account for varying payload offset locations when extracting the `depositNonce` across different cross-chain operation flags. Because `depositNonce` is packed at different byte offsets de …
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References
- https://github.com/code-423n4/2023-05-maia-findings/issues/169
- https://github.com/code-423n4/2023-05-maia-findings
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