CVE-2022-20770

Published: 4 May 2022

On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in CHM file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. This advisory will be updated as additional information becomes available.

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
clamav Launchpad, Ubuntu, Debian	bionic	Released (0.103.6+dfsg-0ubuntu0.18.04.1)
	focal	Released (0.103.6+dfsg-0ubuntu0.20.04.1)
	impish	Released (0.103.6+dfsg-0ubuntu0.21.10.1)
	jammy	Released (0.103.6+dfsg-0ubuntu0.22.04.1)
	kinetic	Released (0.103.6+dfsg-1ubuntu1)
	trusty	Released (0.103.6+dfsg-0ubuntu0.14.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Released (0.103.6,0.104.3,0.105.0)
	xenial	Released (0.103.6+dfsg-0ubuntu0.16.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)

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

References

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