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Integer Overflow or Wraparound

CVE-2018-13327

High
7.5/10

Summary

The transfer and transferFrom functions of a smart contract implementation for ChuCunLingAIGO (CCLAG), an Ethereum token, have an integer overflow. NOTE: this has been disputed by a third party.

  • 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