mediumLogic errorSolana-Rust
ZetaChain Cross-Chain: Missing Nonce Reset During TSS Address Update Allowing Signature Replay
- Payout
- $0
- Protocol
- ZetaChain Cross-Chain
- Disclosed
- May 12, 2025
- Source
- sherlock
ZetaChain's Solana gateway program has an admin instruction, update_tss, that swaps the TSS verification address on its PDA but does not reset the transaction nonce used for replay protection. Because the nonce sequence carries across the signing-authority tra …
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References
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