Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2022-20796

Severity CVSS v4.0:
Pending analysis
Type:
CWE-476 NULL Pointer Dereference
Publication date:
04/05/2022
Last modified:
07/11/2023

Description

On May 4, 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 Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could allow an authenticated, local attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
4.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:clamav:clamav:0.103.4:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.103.5:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.104.1:*:*:*:*:*:*:*
cpe:2.3:a:clamav:clamav:0.104.2:*:*:*:*:*:*:*
cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* 1.16.3 (excluding)
cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* 1.17.2 (excluding)
cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:* 7.5.5 (excluding)
cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* 1.18.0 (including) 1.18.2 (excluding)
cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* 1.18.0 (including) 1.18.2 (excluding)
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools