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

CVE-2019-20548

High
9.8/10

Summary

An issue was discovered on Samsung mobile devices with P(9.0) devices (Qualcomm chipsets) software. There is a buffer overflow in the bootloader. The Samsung ID is SVE-2019-15399 (November 2019).

  • 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