Vulnerabilities > CVE-2021-21899
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH 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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| OS | 2 | |
| OS | 3 |
References
- https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/
- https://security.gentoo.org/glsa/202305-26
- https://security.gentoo.org/glsa/202305-26
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350
- https://www.debian.org/security/2022/dsa-5077
- https://www.debian.org/security/2022/dsa-5077