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ID:

platypus-defi-1668

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Date:

Status:

Incident Count:

July 11, 2023

Verified

2

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REKT

Contributor:

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web3rekt.com

KYC By:

KYC:

None

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50 pts

Audit By:

Audits:

None

Loss Amount:

145,000

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Recovered:

-

Rewards:

Ticker:

USD

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100 pts
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Platform:

Type:

Category:

Method:

Data Sources:

Avalanche

Assets

Stablecoins

Contract Vulnerabilities

Extended Method:

liquidity conversion calculation error

Days in Operation:

680

(1.86 Years)

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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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