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Amazon Linux 2023 : libpkgconf, libpkgconf-devel, pkgconf (ALAS2023-2023-159)

medium Nessus Plugin ID 174586

Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-159 advisory.

 - In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes. (CVE-2023-24056)

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

Solution

Run 'dnf update pkgconf --releasever=2023.0.20230419' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2023-159.html

https://alas.aws.amazon.com/cve/html/CVE-2023-24056.html

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

Plugin Details

Severity: Medium

ID: 174586

File Name: al2023_ALAS2023-2023-159.nasl

Version: 1.1

Type: local

Agent: unix

Published: 4/20/2023

Updated: 4/21/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2023-24056

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:libpkgconf, p-cpe:/a:amazon:linux:libpkgconf-debuginfo, p-cpe:/a:amazon:linux:pkgconf-pkg-config, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:libpkgconf-devel, p-cpe:/a:amazon:linux:pkgconf, p-cpe:/a:amazon:linux:pkgconf-debuginfo, p-cpe:/a:amazon:linux:pkgconf-debugsource, p-cpe:/a:amazon:linux:pkgconf-m4

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: 4/13/2023

Vulnerability Publication Date: 1/10/2023

Reference Information

CVE: CVE-2023-24056