CVE-2021-21899
Published: 19 November 2021
A code execution vulnerability exists in the dwgCompressor::copyCompBytes21 functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Priority
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)
|
|
| jammy |
Released
(2.1.3-2)
|
|
| kinetic |
Not vulnerable
(2.1.3-2)
|
|
| lunar |
Needs triage
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(2.0.9-2ubuntu0.1~esm1)
Available with Ubuntu Pro |
|
|
Patches: upstream: https://github.com/LibreCAD/libdxfrw/commit/6417118874333309aa10c4e59f954c3905a6e8b5 |
||
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 |