CVE-2021-21899

A code execution vulnerability exists in the dwgCompressor::copyCompBytes21 functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.

Affected

LibreCAD

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v3.0 CISCO

8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

2.76% chance of exploitation in the next 30 days, 86th percentile

Published

2021-11-19

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350

Security advisories

• https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html
• https://www.debian.org/security/2022/dsa-5077

References

• CVE Record
• NVD entry