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Amazon Linux 2 : (ALAS-2023-1920)

medium Nessus Plugin ID 171051

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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 ALAS2-2023-1920 advisory.

 - ** DISPUTED ** An integer overflow in util-linux through 2.37.1 can potentially cause a buffer overflow if an attacker were able to use system resources in a way that leads to a large number in the /proc/sysvipc/sem file. NOTE: this is unexploitable in GNU C Library environments, and possibly in all realistic environments. (CVE-2021-37600)

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

Solution

pkg_manager = 'yum'Run ' update util-linux' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2023-1920.html

https://alas.aws.amazon.com/cve/html/CVE-2021-37600.html

Plugin Details

Severity: Medium

ID: 171051

File Name: al2_ALAS-2023-1920.nasl

Version: 1.1

Type: local

Agent: unix

Published: 2/6/2023

Updated: 9/5/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Low

Base Score: 1.2

Temporal Score: 0.9

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

CVSS Score Source: CVE-2021-37600

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:util-linux, p-cpe:/a:amazon:linux:util-linux-debuginfo, p-cpe:/a:amazon:linux:util-linux-user, p-cpe:/a:amazon:linux:uuidd, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:libblkid, p-cpe:/a:amazon:linux:libblkid-devel, p-cpe:/a:amazon:linux:libfdisk, p-cpe:/a:amazon:linux:libfdisk-devel, p-cpe:/a:amazon:linux:libmount, p-cpe:/a:amazon:linux:libmount-devel, p-cpe:/a:amazon:linux:libsmartcols, p-cpe:/a:amazon:linux:libsmartcols-devel, p-cpe:/a:amazon:linux:libuuid, p-cpe:/a:amazon:linux:libuuid-devel, p-cpe:/a:amazon:linux:python-libmount

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/30/2023

Vulnerability Publication Date: 7/30/2021

Reference Information

CVE: CVE-2021-37600