highSignature replayEVM-Solidity
Gondi: `refinanceFull`/`addNewTranche` reusing a lender's signature leads to unintended behavior
- Payout
- $0
- Protocol
- Gondi
- Disclosed
- Jul 25, 2024
- Source
- code4rena
Both refinanceFull() and addNewTranche() in Gondi's MultiSourceLoan validate a lender's signature against the identical RenegotiationOffer hash, so a single signature is ambiguous about which operation the lender consented to. A malicious borrower can take an …
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References
- https://github.com/code-423n4/2024-04-gondi-findings/issues/13
- https://github.com/code-423n4/2024-04-gondi-findings
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