#VU63892 Out-of-bounds write in libdxfrw - CVE-2021-21898
Published: June 1, 2022 / Updated: December 19, 2022
Vulnerability identifier: #VU63892
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-21898
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libdxfrw
libdxfrw
Software vendor:
LibreCad
LibreCad
Description
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to a boundary error in the dwgCompressor::decompress18() function. A remote attacker can trick the victim into opening a specially crafted .dwg file, trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.