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CVE-2022-20698

Published: 13 January 2022

A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML 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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
clamav
Launchpad, Ubuntu, Debian
trusty
Released (0.103.5+dfsg-0ubuntu0.14.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (0.103.5+dfsg-1)
xenial
Released (0.103.5+dfsg-0ubuntu0.16.04.1+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
bionic
Released (0.103.5+dfsg-0ubuntu0.18.04.1)
focal
Released (0.103.5+dfsg-1~20.04.1)
hirsute
Released (0.103.5+dfsg-1~21.04.1)
impish
Released (0.103.5+dfsg-1~21.10.1)
jammy Not vulnerable
(0.103.5+dfsg-1)
Patches:
upstream: https://github.com/Cisco-Talos/clamav/commit/9a6bb57f89721db637f4ddb5b233c1c4e23d223a (0.103.5)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H