#VU63901 NULL pointer dereference in LibreCAD - CVE-2021-45343
Published: June 1, 2022 / Updated: December 19, 2022
Vulnerability identifier: #VU63901
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-45343
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
LibreCAD
LibreCAD
Software vendor:
LibreCad
LibreCad
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the HATCH handling of libdxfrw. A remote attacker can trick the victim into opening a specially crafted DXF document and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.