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

CVE-2020-20657

High
7.5/10

Summary

Buffer overflow vulnerability in fcovatti libiec_iccp_mod v1.5, allows attackers to cause a denial of service via an unexpected packet while trying to connect.

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