CVE-2018-14063

The CVE-2018-14063 vulnerability affects the Tracto (TRCT) ERC20 smart contract. The increaseApproval function uses an unsafe addition (allowed[msg.sender][_spender] += _addedValue) that can overflow, as shown in the exploitable code snippet. This indicates a root cause: integer overflow in the s...

CVE-2018-14063: Integer Overflow or Wraparound

The increaseApproval function of a smart contract implementation for Tracto TRCT, an Ethereum ERC20 token, has an integer overflow...