Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Librecad | Libdxfrw | 2.2.0-rc2-19-ge02f3580 |
| Fedoraproject | Fedora | 34 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://lists.debian.org/debian-lts-announce/2021/12/msg00002.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202305-26
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350ExploitThird Party Advisory
- https://www.debian.org/security/2022/dsa-5077Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00002.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202305-26
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350ExploitThird Party Advisory
- https://www.debian.org/security/2022/dsa-5077Third Party Advisory
FAQ
What is CVE-2021-21899?
CVE-2021-21899 is a vulnerability with a CVSS score of 8.8 (HIGH). 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....
How severe is CVE-2021-21899?
CVE-2021-21899 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-21899?
Check the references section above for vendor advisories and patch information. Affected products include: Librecad Libdxfrw, Fedoraproject Fedora, Debian Debian Linux.