mediumBridge exploitOther
Chakra: Inconsistency in sender address when creating cross chain messages on Starknet can lead to loss of funds
- Payout
- $0
- Protocol
- Chakra
- Disclosed
- Feb 20, 2025
- Source
- code4rena
In Chakra's Cairo handler_erc20 contract, the cross_chain_erc20_settlement function stores a CreatedCrossChainTx struct whose `from` field records the handler contract's own address (get_contract_address) rather than the token-transferring caller, while the Cr …
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References
- https://github.com/code-423n4/2024-08-chakra-findings/issues/327
- https://github.com/code-423n4/2024-08-chakra-findings
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