CVE-2021-21899

Summary:

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.

Reference Links(if available):

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

https://lists.fedoraproject.org/archives/list/[email protected]/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/

https://lists.fedoraproject.org/archives/list/[email protected]/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/

https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html

CVSS Score (if available)

v2: / MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Links to Exploits(if available)