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Amazon Linux 2 : pki-core (ALAS-2023-2304)

medium Nessus Plugin ID 183474

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Synopsis

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

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2304 advisory.

 - A flaw was found in pki-core, which could allow a user to get a certificate for another user identity when directory-based authentication is enabled. This flaw allows an authenticated attacker on the adjacent network to impersonate another user within the scope of the domain, but they would not be able to decrypt message content. (CVE-2022-2393)

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 pki-core' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2023-2304.html

https://alas.aws.amazon.com/cve/html/CVE-2022-2393.html

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

Plugin Details

Severity: Medium

ID: 183474

File Name: al2_ALAS-2023-2304.nasl

Version: 1.0

Type: local

Agent: unix

Published: 10/20/2023

Updated: 10/20/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2022-2393

CVSS v3

Risk Factor: Medium

Base Score: 5.7

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:pki-base, p-cpe:/a:amazon:linux:pki-base-java, p-cpe:/a:amazon:linux:pki-ca, p-cpe:/a:amazon:linux:pki-core-debuginfo, p-cpe:/a:amazon:linux:pki-javadoc, p-cpe:/a:amazon:linux:pki-kra, p-cpe:/a:amazon:linux:pki-server, p-cpe:/a:amazon:linux:pki-symkey, p-cpe:/a:amazon:linux:pki-tools, cpe:/o:amazon:linux:2

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: 7/14/2022

Reference Information

CVE: CVE-2022-2393