Skip to main content

Integer Overflow or Wraparound

CVE-2018-10973

High
7.5/10

Summary

An integer overflow in the transferMulti function of a smart contract implementation for KoreaShow, an Ethereum ERC20 token, allows attackers to accomplish an unauthorized increase of digital assets via crafted _value parameters.

  • 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