liquidity conversion calculation error
Days in Operation:
100 pts each
Platypus was exploited for ~$51k. The root cause is an issue with the liquidity conversion calculation for LP-USDC. The call to asset.addLiability() in the _deposit function causes the asset.liability() parameter in withdrawFrom to increase, and thus the hacker withdraws more USDC.e than the amount of USDC previously deposited.
Within a few minutes after the original exploit TX, a second exploit using the same method was observed with a loss of $94k.
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