CVE-2021-45341: Buffer Overflow
First published: Tue Jan 25 2022(Updated: )
A buffer overflow vulnerability in CDataMoji of the jwwlib component of LibreCAD 2.2.0-rc3 and older allows an attacker to achieve Remote Code Execution using a crafted JWW document.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/librecad | <=2.1.3-2<=2.1.3-1.3<=2.1.3-1.2 | |
| Librecad Librecad | <2.2.0 | |
| Librecad Librecad | =2.2.0-rc1 | |
| Librecad Librecad | =2.2.0-rc2 | |
| Librecad Librecad | =2.2.0-rc3 | |
| Fedoraproject Fedora | =34 | |
| Fedoraproject Fedora | =35 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| debian/librecad | 2.1.3-1.2+deb10u1 2.1.3-1.3+deb11u1 2.2.0-1 |
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Reference Links
- https://github.com/LibreCAD/LibreCAD/issues/1462
- https://github.com/LibreCAD/LibreCAD/pull/1463
- https://github.com/LibreCAD/LibreCAD/commit/f3502963eaf379a429bc9da73c1224c5db649997
- https://security-tracker.debian.org/tracker/CVE-2021-45341
- https://security-tracker.debian.org/tracker/CVE-2021-45342
- https://security-tracker.debian.org/tracker/CVE-2021-45343
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45341
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45342
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45343
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1004518
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/
- https://security.gentoo.org/glsa/202305-26
- https://www.debian.org/security/2022/dsa-5077
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL/
Frequently Asked Questions
What is CVE-2021-45341?
CVE-2021-45341 is a buffer overflow vulnerability in the CDataMoji of the jwwlib component of LibreCAD 2.2.0-rc3 and older.
What is the severity of CVE-2021-45341?
The severity of CVE-2021-45341 is critical with a CVSS score of 8.8.
How can an attacker exploit CVE-2021-45341?
An attacker can exploit CVE-2021-45341 by using a crafted JWW document to achieve Remote Code Execution.
Which versions of LibreCAD are affected by CVE-2021-45341?
LibreCAD 2.2.0-rc3 and older versions are affected by CVE-2021-45341.
How can I mitigate CVE-2021-45341?
To mitigate CVE-2021-45341, update to version 2.2.0-rc4 or newer of LibreCAD.
- collector/security-tracker-debian
- collector/debian-bugs
- alias/CVE-2021-45341
- collector/nvd-index
- agent/author
- agent/severity
- agent/description
- agent/type
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/tags
- agent/weakness
- agent/softwarecombine
- agent/references
- collector/mitre-cve
- source/MITRE
- package-manager/debian
- vendor/librecad
- canonical/librecad librecad
- version/librecad librecad/2.2.0-rc1
- version/librecad librecad/2.2.0-rc2
- version/librecad librecad/2.2.0-rc3
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/34
- version/fedoraproject fedora/35
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- version/debian debian linux/11.0