Submission Details
Severity:
Weak Randomness
Summary
The randomness to select Ram can be gamed and an attacker can increase its values to become Ram.
Vulnerability Details
Weak PRNG due to a modulo on block.timestamp, now or blockhash. These can be influenced by miners to some extent so they should be avoided.
Impact
Critical
Tools Used
Foundry
Recommendations
Use Chainlink's VRF to generate a random number to select the winner.
Updates
Lead Judging Commences
bube over 1 year ago
Submission Judgement Published Reason: Too generic
Assigned finding tags:
Weak randomness in `ChoosingRam::increaseValuesOfParticipants`
Rewards breakdown
nSLOC
218This contest has a flat reward structure with the following payouts:
100 EXP
20 EXP
2 EXP
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