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

CVE-2021-40029

High
7.5/10

Summary

There is a Buffer overflow vulnerability due to a boundary error with the Samba server in the file management module in smartphones. Successful exploitation of this vulnerability may affect function stability.

  • 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