batchOverflow

batchOverflow A fix for the batchOverflow bug found by the PeckShield team. a fix The original contract only did a check to ensure the sender has enough whatever to pay the total amount input value x number of addresses. If an overflow ocurred this amount can be zero, which would allow the test o...

New batchOverflow Bug in Multiple ERC20 Smart Contracts (CVE-2018–10299)

Built on our earlier efforts in analyzing EOS tokens, we have developed an automated system to scan and analyze Ethereum-based ERC-20 token transfers. Specifically, our system will automatically send out alerts if any suspicious transactions e.g., involving unreasonably large tokens occur. In...

Integer overflow

An integer overflow in the batchTransfer function of a smart contract implementation for Beauty Ecosystem Coin BEC, the Ethereum ERC20 token used in the Beauty Chain economic system, allows attackers to accomplish an unauthorized increase of digital assets by providing two receivers arguments in...

CVE-2018-10299

An integer overflow in the batchTransfer function of a smart contract implementation for Beauty Ecosystem Coin BEC, the Ethereum ERC20 token used in the Beauty Chain economic system, allows attackers to accomplish an unauthorized increase of digital assets by providing two receivers arguments in...

CVE-2018-10299

The Beauty Ecosystem Coin (BEC) , an Ethereum ERC20 token, is vulnerable to an integer overflow in its batchTransfer function, known as the "batchOverflow" issue. An attacker can provide two _receivers arguments along with an extremely large _value argument to cause the calculated amount to overf...