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

CVE-2020-24020

Severity High
Score 8.8/10

Summary

Buffer Overflow vulnerability in FFMpeg before 4.4 in dnn_execute_layer_pad in "libavfilter/dnn/dnn_backend_native_layer_pad.c" due to a call to memcpy without length checks, which could let a remote malicious user execute arbitrary code.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • 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.

Advisory Timeline

  • Published