Gold Reward has a flawed logic vulnerability

Gold Reward GRX is an ethereum-based virtual currency.A security vulnerability in the 'sell' function in the smart contract implementation of GRX arises from the ability of an attacker to specify a selling price. The vulnerability can be exploited by an attacker to cause financial loss to the buy...

CVE-2018-11446

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...

Buffer overflow

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...

CVE-2018-11446

CVE-2018-11446 describes a tradeTrap in the Gold Reward (GRX) ERC20 contract where the buy() path multiplies amount by buyPrice without SafeMath, enabling an overflow that can trap funds. The owner can set buyPrice via setPrices(), potentially manipulating prices and enabling arbitrage-like explo...

CVE-2018-11446

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...