Submission Details
Severity:
s_password will be public for anyone to see
Summary
Data stored on the blockchain is visible to anyone. Storing sensitive data such as a password is not advised.
Vulnerability Details
The storage variable s_password stores sensitive data, this leads to sensitive data leak since all storage data is public.
Impact
Sensitive data leak.
cast storage $PASSWORD_STORE_CONTRACT_ADDRESS 1 --rpc-url $RPC_URL
Tools Used
Foundry
Slither
Recommendations
Do not store sensitive data on the blockchain.
If sensitive data needs to be stored on the blockchain, consider encrypting it first.
Updates
Lead Judging Commences
inallhonesty about 2 years ago
Submission Judgement Published Assigned finding tags:
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
Rewards breakdown
nSLOC
20This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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