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

CVE-2017-16342

High
9.9/10

Summary

An attacker could send an authenticated HTTP request to trigger this vulnerability in Insteon Hub running firmware version 1012. At 0x9d01c254 the value for the s_vol_dim_delta key is copied using strcpy to the buffer at 0xa0000514. This buffer is 4 bytes large, sending anything longer will cause a buffer overflow.

  • LOW
  • NETWORK
  • HIGH
  • CHANGED
  • NONE
  • LOW
  • 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