highBridge exploitEVM-Solidity
Maia DAO Ecosystem: Due to inadequate checks, an adversary can call `BranchBridgeAgent#retrieveDeposit` with an invalid `_depositNonce`, which would lead to a loss of other users' deposits.
- Payout
- $0
- Protocol
- Maia DAO Ecosystem
- Disclosed
- Sep 18, 2023
- Source
- code4rena
In Maia DAO's omnichain bridge architecture, `BranchBridgeAgent.retrieveDeposit` failed to validate whether the caller was the legitimate owner of the specified deposit nonce or if the deposit even existed. An attacker could invoke `retrieveDeposit` using futu …
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References
- https://github.com/code-423n4/2023-05-maia-findings/issues/688
- https://github.com/code-423n4/2023-05-maia-findings
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