CVE-2021-45341

Gentoo Linux Security Advisory 202305-26

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una vulnerabilidad de desbordamiento de búfer en CDataMoji del componente jwwlib de LibreCAD versiones 2.2.0-rc3 y anteriores, permite a un atacante lograr la Ejecución de Código Remota usando un documento JWW diseñado

Cody Sixteen discovered that LibreCAD incorrectly handled memory when parsing DXF files. An attacker could use this issue to cause LibreCAD to crash, leading to a denial of service. This issue only affected Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Lilith of Cisco Talos discovered that LibreCAD incorrectly handled memory when parsing DWG files. An attacker could use this issue to cause LibreCAD to crash, leading to a denial of service, or possibly execute arbitrary code.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-12-20 CVE Reserved
2022-01-25 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC
https://github.com/LibreCAD/LibreCAD/issues/1462	2024-08-04

URL	Date	SRC

URL	Date	SRC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FCC2FZ6HZOIK3775K4MTCOUHX6PLGPEL	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VUMH3CWGVSMR2UIZEA35Q5UB7PDVVVYS	2023-11-07
https://security.gentoo.org/glsa/202305-26	2023-11-07
https://www.debian.org/security/2022/dsa-5077	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Librecad Search vendor "Librecad"		Librecad Search vendor "Librecad" for product "Librecad"				< 2.2.0 Search vendor "Librecad" for product "Librecad" and version " < 2.2.0"		-		Affected
Librecad Search vendor "Librecad"		Librecad Search vendor "Librecad" for product "Librecad"				2.2.0 Search vendor "Librecad" for product "Librecad" and version "2.2.0"		rc1		Affected
Librecad Search vendor "Librecad"		Librecad Search vendor "Librecad" for product "Librecad"				2.2.0 Search vendor "Librecad" for product "Librecad" and version "2.2.0"		rc2		Affected
Librecad Search vendor "Librecad"		Librecad Search vendor "Librecad" for product "Librecad"				2.2.0 Search vendor "Librecad" for product "Librecad" and version "2.2.0"		rc3		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				34 Search vendor "Fedoraproject" for product "Fedora" and version "34"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				35 Search vendor "Fedoraproject" for product "Fedora" and version "35"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0"		-		Affected