CVE-2021-45343

2022-01-2500:00:00

ubuntu.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

42.3%

JSON

In LibreCAD 2.2.0, a NULL pointer dereference in the HATCH handling of
libdxfrw allows an attacker to crash the application using a crafted DXF
document.

Notes

Author	Note
eslerm	provided PoC still crashes program after applying patch

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibrecad< 2.1.2-1ubuntu0.1UNKNOWN
ubuntu20.04noarchlibrecad< 2.1.3-1.2+deb10u1build0.20.04.1UNKNOWN
ubuntu22.04noarchlibrecad< 2.1.3-3UNKNOWN
ubuntu22.10noarchlibrecad< 2.1.3-3UNKNOWN
ubuntu23.10noarchlibrecad< anyUNKNOWN
ubuntu16.04noarchlibrecad< 2.0.9-2ubuntu0.1~esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	librecad	< 2.1.2-1ubuntu0.1	UNKNOWN
ubuntu	20.04	noarch	librecad	< 2.1.3-1.2+deb10u1build0.20.04.1	UNKNOWN
ubuntu	22.04	noarch	librecad	< 2.1.3-3	UNKNOWN
ubuntu	22.10	noarch	librecad	< 2.1.3-3	UNKNOWN
ubuntu	23.10	noarch	librecad	< any	UNKNOWN
ubuntu	16.04	noarch	librecad	< 2.0.9-2ubuntu0.1~esm1	UNKNOWN