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
| Author | Note |
|---|---|
| eslerm | provided PoC still crashes program after applying patch |
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)
|
|
| impish |
Ignored
(reached end-of-life)
|
|
| jammy |
Released
(2.1.3-3)
|
|
| kinetic |
Released
(2.1.3-3)
|
|
| lunar |
Needs triage
|
|
| trusty |
Ignored
(out of standard support)
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(2.0.9-2ubuntu0.1~esm1)
|
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 |