highGovernance attackEVM-Solidity
Tapioca DAO: Attacker can block LayerZero channel due to variable gas cost of saving payload
- Payout
- $0
- Protocol
- Tapioca DAO
- Disclosed
- Nov 16, 2023
- Source
- code4rena
A critical vulnerability in Tapioca DAO's LayerZero integration allows attackers to permanently block cross-chain message channels at minimal cost. The protocol's NonblockingLzApp implementation attempts to catch execution failures and store failed message pay …
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References
- https://github.com/code-423n4/2023-07-tapioca-findings/issues/1220
- https://github.com/code-423n4/2023-07-tapioca-findings
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