=========================================================================Ubuntu Security Notice USN-5957-1
March 15, 2023
librecad vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
Summary:
Several security issues were fixed in LibreCAD.
Software Description:
- librecad: Computer-aided design (CAD) system
Details:
Cody Sixteen discovered that LibreCAD incorrectly
handled memory when parsing DXF files. An attacker could
use this issue to cause LibreCAD to crash, leading to a
denial of service. This issue only affected
Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2018-19105)
Lilith of Cisco Talos discovered that LibreCAD incorrectly
handled memory when parsing DWG files. An attacker could
use this issue to cause LibreCAD to crash, leading to a
denial of service, or possibly execute arbitrary code.
(CVE-2021-21898, CVE-2021-21899)
Lilith of Cisco Talos discovered that LibreCAD incorrectly
handled memory when parsing DRW files. An attacker could
use this issue to cause LibreCAD to crash, leading to a
denial of service, or possibly execute arbitrary code.
(CVE-2021-21900)
Albin Eldstål-Ahrens discovered that LibreCAD incorrectly
handled memory when parsing JWW files. An attacker could
use this issue to cause LibreCAD to crash, leading to a
denial of service, or possibly execute arbitrary code.
(CVE-2021-45341, CVE-2021-45342)
Albin Eldstål-Ahrens discovered that LibreCAD incorrectly
handled memory when parsing DXF files. An attacker could
use this issue to cause LibreCAD to crash, leading to a
denial of service. (CVE-2021-45343)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS:
librecad 2.1.3-1.2+deb10u1build0.20.04.1
Ubuntu 18.04 LTS:
librecad 2.1.2-1ubuntu0.1~esm1
Ubuntu 16.04 ESM:
librecad 2.0.9-2ubuntu0.1~esm1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5957-1
CVE-2018-19105, CVE-2021-21898, CVE-2021-21899, CVE-2021-21900,
CVE-2021-45341, CVE-2021-45342, CVE-2021-45343
Package Information:
https://launchpad.net/ubuntu/+source/librecad/2.1.3-1.2+deb10u1build0.20.04.1
