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

CVE-2018-21050

High
9.8/10

Summary

An issue was discovered on Samsung mobile devices with N(7.x) and O(8.X) (Exynos chipsets) software. There is a Buffer overflow in the esecomm Trustlet, leading to arbitrary code execution. The Samsung ID is SVE-2018-12852 (October 2018).

  • 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