Amazon Linux 2 : php (ALASPHP8.0-2023-001)

medium Nessus Plugin ID 181381

Synopsis

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

Description

The version of php installed on the remote host is prior to 8.0.13-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2PHP8.0-2023-001 advisory.

A flaw was found in php. The main cause of this vulnerability is improper input validation while parsing an Extensible Markup Language(XML) entity. A special character could allow an attacker to traverse directories. The highest threat from this vulnerability is confidentiality. (CVE-2021-21707)

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 php' to update your system.

See Also

https://alas.aws.amazon.com/AL2/ALASPHP8.0-2023-001.html

https://alas.aws.amazon.com/cve/html/CVE-2021-21707.html

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

Plugin Details

Severity: Medium

ID: 181381

File Name: al2_ALASPHP8_0-2023-001.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/13/2023

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: 2.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2021-21707

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:php-snmp, p-cpe:/a:amazon:linux:php-embedded, p-cpe:/a:amazon:linux:php-pspell, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:php-ldap, p-cpe:/a:amazon:linux:php-mysqlnd, p-cpe:/a:amazon:linux:php-debuginfo, p-cpe:/a:amazon:linux:php-xml, p-cpe:/a:amazon:linux:php-cli, p-cpe:/a:amazon:linux:php-odbc, p-cpe:/a:amazon:linux:php-enchant, p-cpe:/a:amazon:linux:php-bcmath, p-cpe:/a:amazon:linux:php-fpm, p-cpe:/a:amazon:linux:php-pgsql, p-cpe:/a:amazon:linux:php-devel, p-cpe:/a:amazon:linux:php-dba, p-cpe:/a:amazon:linux:php-mbstring, p-cpe:/a:amazon:linux:php-process, p-cpe:/a:amazon:linux:php-common, p-cpe:/a:amazon:linux:php, p-cpe:/a:amazon:linux:php-dbg, p-cpe:/a:amazon:linux:php-opcache, p-cpe:/a:amazon:linux:php-soap, p-cpe:/a:amazon:linux:php-intl, p-cpe:/a:amazon:linux:php-sodium, p-cpe:/a:amazon:linux:php-gmp, p-cpe:/a:amazon:linux:php-pdo, p-cpe:/a:amazon:linux:php-gd

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: 8/4/2023

Vulnerability Publication Date: 11/29/2021

Reference Information

CVE: CVE-2021-21707

IAVA: 2021-A-0566-S