mediumBridge exploitMove
Chakra: Permanent loss of user tokens on both chains if `BurnUnlock` mode fails because of flawed burning pattern
- Payout
- $0
- Protocol
- Chakra
- Disclosed
- Feb 20, 2025
- Source
- code4rena
Chakra's cross-chain settlement handler implements two bridging modes with asymmetric token handling. In MintBurn mode tokens are locked on the source chain and only burned on the destination-chain callback, but BurnUnlock mode burns the user's tokens on the s …
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References
- https://github.com/code-423n4/2024-08-chakra-findings/issues/140
- https://github.com/code-423n4/2024-08-chakra-findings
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