USN-5957-1: LibreCAD vulnerabilities

15 March 2023

Several security issues were fixed in LibreCAD.

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Releases

Packages

  • 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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.