Amazon Linux 2 : keepalived (ALAS-2023-2168)

medium Nessus Plugin ID 178836

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Synopsis

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

Description

The version of keepalived installed on the remote host is prior to 1.3.5-16. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2168 advisory.

A flaw was found in keepalived, where an improper authentication vulnerability allows an unprivileged user to change properties that could lead to an access-control bypass. (CVE-2021-44225)

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 keepalived' to update your system.

Plugin Details

Severity: Medium

ID: 178836

File Name: al2_ALAS-2023-2168.nasl

Version: 1.1

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 7/26/2023

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2021-44225

CVSS v3

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.7

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:keepalived-debuginfo, p-cpe:/a:amazon:linux:keepalived, 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: 7/20/2023

Vulnerability Publication Date: 11/26/2021

Reference Information

CVE: CVE-2021-44225

Detections

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