Amazon Linux 2 : spamassassin (ALAS-2021-1642)

critical Nessus Plugin ID 149861

Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of spamassassin installed on the remote host is prior to 3.4.4-3. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2021-1642 advisory.

A flaw was found in spamassassin. Malicious rule configuration (.cf) files can be configured to run system commands without any output or errors allowing exploits to be injected in a number of scenarios. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (CVE-2020-1946)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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

Solution

Run 'yum update spamassassin' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2021-1642.html

https://access.redhat.com/security/cve/CVE-2020-1946

Plugin Details

Severity: Critical

ID: 149861

File Name: al2_ALAS-2021-1642.nasl

Version: 1.3

Type: local

Agent: unix

Published: 5/24/2021

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2020-1946

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:spamassassin, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:spamassassin-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/20/2021

Vulnerability Publication Date: 3/25/2021

Reference Information

CVE: CVE-2020-1946

ALAS: 2021-1642