CVE-2021-1405

2021-04-0800:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.004 Low

EPSS

Percentile

73.0%

JSON

A vulnerability in the email parsing module in Clam AntiVirus (ClamAV)
Software version 0.103.1 and all 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 variable
initialization that may result in an NULL pointer read. An attacker could
exploit this vulnerability by sending a crafted email to an affected
device. An exploit could allow the attacker to cause the ClamAV scanning
process crash, resulting in a denial of service condition.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchclamav< 0.103.2+dfsg-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchclamav< 0.103.2+dfsg-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchclamav< 0.103.2+dfsg-0ubuntu0.20.10.1UNKNOWN
ubuntu14.04noarchclamav< 0.103.2+dfsg-0ubuntu0.14.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchclamav< 0.103.2+dfsg-0ubuntu0.16.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	clamav	< 0.103.2+dfsg-0ubuntu0.18.04.1	UNKNOWN
ubuntu	20.04	noarch	clamav	< 0.103.2+dfsg-0ubuntu0.20.04.1	UNKNOWN
ubuntu	20.10	noarch	clamav	< 0.103.2+dfsg-0ubuntu0.20.10.1	UNKNOWN
ubuntu	14.04	noarch	clamav	< 0.103.2+dfsg-0ubuntu0.14.04.1+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	clamav	< 0.103.2+dfsg-0ubuntu0.16.04.1	UNKNOWN