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CVE-2021-45343

Published: 25 January 2022

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

AuthorNote
eslerm
provided PoC still crashes program after applying patch

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
librecad
Launchpad, Ubuntu, Debian
bionic
Released (2.1.2-1ubuntu0.1)
focal
Released (2.1.3-1.2+deb10u1build0.20.04.1)
impish Ignored
(end of life)
jammy
Released (2.1.3-3)
kinetic
Released (2.1.3-3)
lunar Ignored
(end of life, was needs-triage)
mantic Ignored
(end of life, was needs-triage)
noble Needs triage

trusty Ignored
(end of standard support)
upstream Needs triage

xenial
Released (2.0.9-2ubuntu0.1~esm1)
Available with Ubuntu Pro

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H