The tradeTrap Vulnerability: Exploiting the Buy Function in Gold Reward (GRX) Smart Contract

The tradeTrap Vulnerability: Exploiting the Buy Function in Gold Reward (GRX) Smart Contract

CVE-2018-11446 · MEDIUM Severity

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

The buy function of a smart contract implementation for Gold Reward (GRX), an Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the buyer because of overflow of the multiplication of its argument amount and a manipulable variable buyPrice, aka the "tradeTrap" issue.

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