CVE-2021-1252

Published: 08 April 2021

A vulnerability in the Excel XLM macro 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 error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
clamav
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 21.04 (Hirsute Hippo) Not vulnerable
(0.103.2+dfsg-1)
Ubuntu 20.04 LTS (Focal Fossa)
Released (0.103.2+dfsg-0ubuntu0.20.04.1)
Ubuntu 18.04 LTS (Bionic Beaver)
Released (0.103.2+dfsg-0ubuntu0.18.04.1)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (0.103.2+dfsg-0ubuntu0.16.04.1)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (0.103.2+dfsg-0ubuntu0.14.04.1+esm1)