Integer Overflow Vulnerability in Welfare Token Fund (WTF) Smart Contract Sell Function

CVE-2018-13197 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:P/A:N

The sell function of a smart contract implementation for Welfare Token Fund (WTF), an Ethereum token, has an integer overflow in which "amount * sellPrice" can be zero, consequently reducing a seller's assets.

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