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Integer Overflow or Wraparound

CVE-2018-13130

High
7.5/10

Summary

Bitotal (TFUND) is a smart contract running on Ethereum. The mintTokens function has an integer overflow that allows minted tokens to be arbitrarily retrieved by the contract owner.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • 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.

References

Advisory Timeline

  • Published