CVE-2021-1404

Date: April 7, 2021

A vulnerability in the PDF parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper buffer size tracking that may result in a heap buffer over-read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition. After conducting further research, Mend has determined that versions 0.103.0--0.103.1 of Clam AntiVirus are vulnerable to CVE-2021-1404.

Language: C++