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

CVE-2020-19716

Medium
6.5/10

Summary

A buffer overflow vulnerability in the "Databuf" function in 'types.cpp' of Exiv2 prior to v0.27.2-RC1 leads to a denial of service (DOS).

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • REQUIRED
  • 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