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Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CVE-2019-20893

High
9.8/10

Summary

An issue was discovered in Activision Infinity Ward Call of Duty Modern Warfare 2 through 2019-12-11. PartyHost_HandleJoinPartyRequest has a buffer overflow vulnerability and can be exploited by using a crafted joinParty packet. This can be utilized to conduct arbitrary code execution on a victim's machine.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The program copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References

Advisory Timeline

  • Published