mediumBridge exploitEVM-Solidity
Maia DAO: `BaseBranchRouter._transferAndApproveToken` may revert in some cases
- Payout
- $0
- Protocol
- Maia DAO
- Disclosed
- Nov 29, 2023
- Source
- code4rena
In Maia DAO's BaseBranchRouter, `_transferAndApproveToken` directly invokes standard Solmate `ERC20(_token).approve()` rather than using a safe transfer wrapper. For non-standard ERC-20 tokens such as USDT that do not return a boolean value upon approval, the …
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References
- https://github.com/code-423n4/2023-09-maia-findings/issues/520
- https://github.com/code-423n4/2023-09-maia-findings
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