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

CVE-2020-8215

Severity High
Score 8.8/10

Summary

A buffer overflow is present in canvas version <= 1.6.9 and version <=canvas-2.0.0-alpha.11, which could lead to a Denial of Service or execution of arbitrary code when it processes a user-provided image.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • REQUIRED
  • 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.

Advisory Timeline

  • Published