Amazon Linux AMI : clamav (ALAS-2022-1621)

high Nessus Plugin ID 163861

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

The version of clamav installed on the remote host is prior to 0.103.6-1.49. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2022-1621 advisory.

 - 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. (CVE-2022-20770)

 - 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 the TIFF 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. (CVE-2022-20771)

 - 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 HTML 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. (CVE-2022-20785)

 - 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.
 (CVE-2022-20796)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Run 'yum update clamav' to update your system.

See Also

https://alas.aws.amazon.com/cve/html/CVE-2022-20770.html

https://alas.aws.amazon.com/cve/html/CVE-2022-20771.html

https://alas.aws.amazon.com/cve/html/CVE-2022-20785.html

https://alas.aws.amazon.com/cve/html/CVE-2022-20796.html

https://alas.aws.amazon.com/ALAS-2022-1621.html

Plugin Details

Severity: High

ID: 163861

File Name: ala_ALAS-2022-1621.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/5/2022

Updated: 8/5/2022

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS Score Source: CVE-2022-20785

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:amazon:linux:*:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav-data:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav-db:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav-debuginfo:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav-filesystem:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav-lib:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav-milter:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamav-update:*:*:*:*:*:*:*, p-cpe:2.3:a:amazon:linux:clamd:*:*:*:*:*:*:*

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/28/2022

Vulnerability Publication Date: 5/4/2022

Reference Information

CVE: CVE-2022-20796, CVE-2022-20771, CVE-2022-20785, CVE-2022-20770