blockchainmedium

Magic Vault

hackthebox

Task: Unlock a Solidity vault with contradictory require() conditions and claim content. Solution: Read private passphrase from storage, exploit uint128/uint64 truncation bypass, replicate blockhash-based randomness in attacker contract for atomic unlock.

$ ls tags/ techniques/
storage_slot_readingattacker_contract_deploymentatomic_transaction_exploitsolidity_type_casting_bypassblockhash_replication

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