CVE-2021-21898

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-21898
A code execution vulnerability exists in the dwgCompressor::decompress18() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to an out-of-bounds write. An attacker can provide a malicious file to trigger this vulnerability.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html Third Party Advisory
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://security.gentoo.org/glsa/202305-26
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349 Exploit Third Party Advisory
https://www.debian.org/security/2022/dsa-5077 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:librecad:libdxfrw:2.2.0-rc2-19-ge02f3580:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
History

21 May 2023, 22:15

Type Values Removed Values Added
CWE CWE-787 CWE-119
References
  • (GENTOO) https://security.gentoo.org/glsa/202305-26 -

22 Feb 2022, 14:39

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
References (DEBIAN) https://www.debian.org/security/2022/dsa-5077 - (DEBIAN) https://www.debian.org/security/2022/dsa-5077 - Third Party Advisory

16 Feb 2022, 16:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2022/dsa-5077 -

06 Dec 2021, 21:47

Type Values Removed Values Added
CPE cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/ - Mailing List, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html - Third Party Advisory
References (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/ - (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/ - Mailing List, Third Party Advisory

03 Dec 2021, 15:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html -

02 Dec 2021, 04:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/ -

01 Dec 2021, 07:15

Type Values Removed Values Added
References
  • (FEDORA) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/ -

23 Nov 2021, 18:54

Type Values Removed Values Added
CPE cpe:2.3:a:librecad:libdxfrw:2.2.0-rc2-19-ge02f3580:*:*:*:*:*:*:*
References (MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349 - (MISC) https://talosintelligence.com/vulnerability_reports/TALOS-2021-1349 - Exploit, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 6.8
v3 : 8.8
CWE CWE-787

19 Nov 2021, 20:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-11-19 20:15

Updated : 2024-02-04 22:08

NVD link : CVE-2021-21898

Mitre link : CVE-2021-21898

CVE.ORG link : CVE-2021-21898

JSON object : View

Products Affected

librecad

  • libdxfrw

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-787

Out-of-bounds Write