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Integer Overflow or Wraparound


Severity High
Score 7.5/10


The sell function of a smart contract implementation for Internet Node Token (INT), a tradable Ethereum ERC20 token, allows a potential trap that could be used to cause financial damage to the seller, because of overflow of the multiplication of its argument amount and a manipulable variable sellPrice, aka the "tradeTrap" issue.

  • LOW
  • HIGH
  • NONE
  • NONE
  • NONE
  • NONE

CWE-190 - Integer Overflow or Wraparound

The software performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control.


Advisory Timeline

  • Published