mediumLogic errorEVM-Solidity
Taiko: LibProposing:proposeBlock allows blocks with a zero parentMetaHash to be proposed after the genesis block and avoid parent block verification
- Payout
- $0
- Protocol
- Taiko
- Disclosed
- Apr 26, 2024
- Source
- code4rena
Taiko's block-proposal validation in LibProposing.proposeBlock only enforces parentMetaHash consistency when the caller supplies a non-zero value, so a proposer can submit a post-genesis block with a zero parent metadata hash and have it accepted. Because the …
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References
- https://github.com/code-423n4/2024-03-taiko-findings/issues/218
- https://github.com/code-423n4/2024-03-taiko-findings
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