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Integer Overflow to Buffer Overflow

CVE-2020-6099

High
7.8/10

Summary

An exploitable code execution vulnerability exists in the file format parsing functionality of Graphisoft BIMx Desktop Viewer 2019.2.2328. A specially crafted file can cause a heap buffer overflow resulting in a code execution. An attacker can provide a malicious file to trigger this vulnerability.

  • LOW
  • LOCAL
  • HIGH
  • UNCHANGED
  • REQUIRED
  • NONE
  • HIGH
  • HIGH

CWE-680 - Integer Overflow to Buffer Overflow

The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow.

References

Advisory Timeline

  • Published