Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2021-21900

Published: 19 November 2021

A code execution vulnerability exists in the dxfRW::processLType() functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dxf file can lead to a use-after-free vulnerability. An attacker can provide a malicious file to trigger this vulnerability.

Priority

Medium

Cvss 3 Severity Score

8.8

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)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
kinetic
Released (2.1.3-2)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial
Released (2.0.9-2ubuntu0.1~esm1)
Available with Ubuntu Pro
jammy
Released (2.1.3-2)
mantic Needs triage

lunar Ignored
(end of life, was needs-triage)
Patches:
upstream: https://github.com/LibreCAD/libdxfrw/commit/fcd977cc7f8f6cc7f012e5b72d33cf7d77b3fa69

Severity score breakdown

Parameter Value
Base score 8.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H