criticalSignature replayEVM-Solidity
Cross-chain bridge signature replay allows infinite mint
- Payout
- $2.5M
- Protocol
- Wormhole-style Bridge
- Disclosed
- Feb 24, 2023
- Source
- immunefi
A signature validation vulnerability in a cross-chain bridge protocol allowed valid guardian attestations to be replayed across different destination chains. The signed message digest omitted essential domain parameters like the target chain ID and global emit …
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References
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