highBridge exploitOther
Chakra: Forcing Starknet handlers to be whitelisted on the same chain allows exploit of `BurnUnlock` mode to drain handler funds
- Payout
- $0
- Protocol
- Chakra
- Disclosed
- Feb 20, 2025
- Source
- code4rena
Chakra's Starknet handler validates cross-chain messages by requiring in receive_cross_chain_msg and receive_cross_chain_callback that both the source handler and the destination handler are registered in support_handler. Because a Starknet handler must regist …
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References
- https://github.com/code-423n4/2024-08-chakra-findings/issues/162
- https://github.com/code-423n4/2024-08-chakra-findings
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