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RHEL 8 : php:7.4 (RHSA-2025:3076)

critical Nessus Plugin ID 233239

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Synopsis

The remote Red Hat host is missing a security update for php:7.4.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2025:3076 advisory.

 PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.

 Security Fix(es):

 * php: Use after free due to php_filter_float() failing for ints (CVE-2021-21708)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

Update the RHEL php:7.4 package based on the guidance in RHSA-2025:3076.

See Also

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2055879

http://www.nessus.org/u?206eac78

https://access.redhat.com/errata/RHSA-2025:3076

Plugin Details

Severity: Critical

ID: 233239

File Name: redhat-RHSA-2025-3076.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/22/2025

Updated: 3/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-21708

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:php-pecl-apcu-devel, p-cpe:/a:redhat:enterprise_linux:php-json, p-cpe:/a:redhat:enterprise_linux:php-embedded, p-cpe:/a:redhat:enterprise_linux:php-fpm, p-cpe:/a:redhat:enterprise_linux:php-pecl-apcu, p-cpe:/a:redhat:enterprise_linux:php-xml, p-cpe:/a:redhat:enterprise_linux:php-opcache, p-cpe:/a:redhat:enterprise_linux:php-bcmath, p-cpe:/a:redhat:enterprise_linux:php-cli, p-cpe:/a:redhat:enterprise_linux:php-pecl-zip, p-cpe:/a:redhat:enterprise_linux:php-devel, p-cpe:/a:redhat:enterprise_linux:php-enchant, p-cpe:/a:redhat:enterprise_linux:php-gmp, p-cpe:/a:redhat:enterprise_linux:php-pear, p-cpe:/a:redhat:enterprise_linux:php, p-cpe:/a:redhat:enterprise_linux:libzip-devel, p-cpe:/a:redhat:enterprise_linux:php-ffi, p-cpe:/a:redhat:enterprise_linux:php-pecl-rrd, p-cpe:/a:redhat:enterprise_linux:php-gd, p-cpe:/a:redhat:enterprise_linux:php-mysqlnd, p-cpe:/a:redhat:enterprise_linux:php-ldap, p-cpe:/a:redhat:enterprise_linux:php-snmp, p-cpe:/a:redhat:enterprise_linux:php-dbg, p-cpe:/a:redhat:enterprise_linux:libzip-tools, p-cpe:/a:redhat:enterprise_linux:php-odbc, p-cpe:/a:redhat:enterprise_linux:php-xmlrpc, p-cpe:/a:redhat:enterprise_linux:apcu-panel, cpe:/o:redhat:rhel_e4s:8.4, p-cpe:/a:redhat:enterprise_linux:php-mbstring, cpe:/o:redhat:rhel_tus:8.4, p-cpe:/a:redhat:enterprise_linux:php-common, p-cpe:/a:redhat:enterprise_linux:libzip, cpe:/o:redhat:rhel_aus:8.4, p-cpe:/a:redhat:enterprise_linux:php-intl, p-cpe:/a:redhat:enterprise_linux:php-soap, p-cpe:/a:redhat:enterprise_linux:php-pecl-xdebug, p-cpe:/a:redhat:enterprise_linux:php-pdo, p-cpe:/a:redhat:enterprise_linux:php-dba, p-cpe:/a:redhat:enterprise_linux:php-pgsql, p-cpe:/a:redhat:enterprise_linux:php-process

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/20/2025

Vulnerability Publication Date: 2/14/2022

Reference Information

CVE: CVE-2021-21708

CWE: 416

RHSA: 2025:3076