Amazon Linux AMI : exim (ALAS-2023-1860)

high Nessus Plugin ID 183852

Synopsis

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

Description

The version of exim installed on the remote host is prior to 4.92-1.39. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS-2023-1860 advisory.

- Exim SMTP Challenge Stack-based Buffer Overflow Remote Code Execution Vulnerability (CVE-2023-42116, CVE-2023-42117)

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 exim' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2023-1860.html

https://alas.aws.amazon.com/cve/html/CVE-2023-42116.html

https://alas.aws.amazon.com/cve/html/CVE-2023-42117.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 183852

File Name: ala_ALAS-2023-1860.nasl

Version: 1.2

Type: local

Agent: unix

Published: 10/25/2023

Updated: 5/3/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2023-42116

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

CVSS Score Source: CVE-2023-42117

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:exim-mon, p-cpe:/a:amazon:linux:exim-greylist, p-cpe:/a:amazon:linux:exim-debuginfo, p-cpe:/a:amazon:linux:exim-pgsql, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:exim, p-cpe:/a:amazon:linux:exim-mysql

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

Exploit Ease: No known exploits are available

Patch Publication Date: 10/12/2023

Vulnerability Publication Date: 10/2/2023

Reference Information

CVE: CVE-2023-42116, CVE-2023-42117

IAVA: 2023-A-0521-S