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SUSE SLES15 Security Update : php7 (SUSE-SU-2022:0847-1)

critical Nessus Plugin ID 158963

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2022:0847-1 advisory.

 - In PHP versions 7.4.x below 7.4.28, 8.0.x below 8.0.16, and 8.1.x below 8.1.3, when using filter functions with FILTER_VALIDATE_FLOAT filter and min/max limits, if the filter fails, there is a possibility to trigger use of allocated memory after free, which can result it crashes, and potentially in overwrite of other memory chunks and RCE. This issue affects: code that uses FILTER_VALIDATE_FLOAT with min/max limits.
 (CVE-2021-21708)

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 affected packages.

See Also

https://bugzilla.suse.com/1196252

https://www.suse.com/security/cve/CVE-2021-21708

http://www.nessus.org/u?1306ab93

Plugin Details

Severity: Critical

ID: 158963

File Name: suse_SU-2022-0847-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 3/16/2022

Updated: 7/14/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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: 9.1

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:F/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:php7-devel, p-cpe:/a:novell:suse_linux:php7-iconv, p-cpe:/a:novell:suse_linux:php7-fpm, p-cpe:/a:novell:suse_linux:php7-curl, p-cpe:/a:novell:suse_linux:php7-zlib, p-cpe:/a:novell:suse_linux:php7-tokenizer, p-cpe:/a:novell:suse_linux:php7-xmlreader, p-cpe:/a:novell:suse_linux:php7-ctype, p-cpe:/a:novell:suse_linux:php7-xmlwriter, p-cpe:/a:novell:suse_linux:php7-embed, p-cpe:/a:novell:suse_linux:php7-pcntl, p-cpe:/a:novell:suse_linux:php7-xmlrpc, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:php7-bcmath, p-cpe:/a:novell:suse_linux:php7-gd, p-cpe:/a:novell:suse_linux:php7-sockets, p-cpe:/a:novell:suse_linux:php7, p-cpe:/a:novell:suse_linux:php7-gmp, p-cpe:/a:novell:suse_linux:php7-fastcgi, p-cpe:/a:novell:suse_linux:php7-fileinfo, p-cpe:/a:novell:suse_linux:php7-posix, p-cpe:/a:novell:suse_linux:php7-snmp, p-cpe:/a:novell:suse_linux:php7-sqlite, p-cpe:/a:novell:suse_linux:php7-sysvmsg, p-cpe:/a:novell:suse_linux:php7-xsl, p-cpe:/a:novell:suse_linux:apache2-mod_php7, p-cpe:/a:novell:suse_linux:php7-dba, p-cpe:/a:novell:suse_linux:php7-readline, p-cpe:/a:novell:suse_linux:php7-odbc, p-cpe:/a:novell:suse_linux:php7-exif, p-cpe:/a:novell:suse_linux:php7-mysql, p-cpe:/a:novell:suse_linux:php7-mbstring, p-cpe:/a:novell:suse_linux:php7-enchant, p-cpe:/a:novell:suse_linux:php7-opcache, p-cpe:/a:novell:suse_linux:php7-pdo, p-cpe:/a:novell:suse_linux:php7-shmop, p-cpe:/a:novell:suse_linux:php7-sysvshm, p-cpe:/a:novell:suse_linux:php7-bz2, p-cpe:/a:novell:suse_linux:php7-dom, p-cpe:/a:novell:suse_linux:php7-tidy, p-cpe:/a:novell:suse_linux:php7-sysvsem, p-cpe:/a:novell:suse_linux:php7-gettext, p-cpe:/a:novell:suse_linux:php7-ldap, p-cpe:/a:novell:suse_linux:php7-calendar, p-cpe:/a:novell:suse_linux:php7-intl, p-cpe:/a:novell:suse_linux:php7-json, p-cpe:/a:novell:suse_linux:php7-sodium, p-cpe:/a:novell:suse_linux:php7-phar, p-cpe:/a:novell:suse_linux:php7-pgsql, p-cpe:/a:novell:suse_linux:php7-openssl, p-cpe:/a:novell:suse_linux:php7-zip, p-cpe:/a:novell:suse_linux:php7-soap, p-cpe:/a:novell:suse_linux:php7-ftp

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/15/2022

Vulnerability Publication Date: 2/27/2022

Reference Information

CVE: CVE-2021-21708

SuSE: SUSE-SU-2022:0847-1