Amazon Linux 2 : icu (ALAS-2023-2171)

medium Nessus Plugin ID 178834

Synopsis

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

Description

The version of icu installed on the remote host is prior to 50.2-4. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2171 advisory.

- International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp. (CVE-2020-21913)

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 icu' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALAS-2023-2171.html

https://alas.aws.amazon.com/cve/html/CVE-2020-21913.html

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

Plugin Details

Severity: Medium

ID: 178834

File Name: al2_ALAS-2023-2171.nasl

Version: 1.1

Type: local

Agent: unix

Published: 7/26/2023

Updated: 7/27/2023

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: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-21913

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:icu, p-cpe:/a:amazon:linux:icu-debuginfo, p-cpe:/a:amazon:linux:libicu, p-cpe:/a:amazon:linux:libicu-devel, p-cpe:/a:amazon:linux:libicu-doc, cpe:/o:amazon:linux:2

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: 7/20/2023

Vulnerability Publication Date: 9/20/2021

Reference Information

CVE: CVE-2020-21913