Buffer overflow in Opendesign Drawings Software Development Kit

CVE-2021-43336

An Out-of-Bounds Write vulnerability exists when reading a DXF or DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF and DWG files. Crafted data in a DXF or DWG file (an invalid number of properties) can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (74.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-43336?
CVE-2021-43336 is a high-severity vulnerability in Opendesign Drawings Software Development Kit, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-11-14.
How severe is CVE-2021-43336?
High severity. CVSS v3 base score is 7.8 out of 10.