Sensitive data isnt Private onchain
Summary
Sensitive data isnt safe / private on-chain.
Vulnerability Details
Data can be extracted via ethers.js rpc method getstorageAt(). This returns the hex value which is then converted to ASCII. password retrieved.
Impact
Anyone can extract the password. This is a sensitive data and shouldn't be stored on-chain.
Tools Used
Manual Review
Recommendations
Sensitive data shouldn't be stored on-chain. If it must be stored, then consider hashing off-chain and storing the hash.
Lead Judging Commences
finding-anyone-can-read-storage
Private functions and state variables are only visible for the contract they are defined in and not in derived contracts. In this case private doesn't mean secret/confidential
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