SUSE update for php74

1) Use-after-free

EUVDB-ID: #VU60707

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2021-21708

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the "php_filter_float()" function. A remote attacker can pass specially crafted input to the application that uses the affected PHP function, trigger a use-after-free error and crash the php-fpm process.

Mitigation

Update the affected package php74 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications: 12-SP3 - 12-SP5

SUSE Linux Enterprise High Performance Computing: 12

SUSE Linux Enterprise Server: 12-SP2-LTSS-ERICSSON - 12-SP5

SUSE Linux Enterprise Module for Web Scripting: 12

SUSE Linux Enterprise Software Development Kit: 12-SP5

php74-zlib-debuginfo: before 7.4.6-1.36.1

php74-zlib: before 7.4.6-1.36.1

php74-zip-debuginfo: before 7.4.6-1.36.1

php74-zip: before 7.4.6-1.36.1

php74-xsl-debuginfo: before 7.4.6-1.36.1

php74-xsl: before 7.4.6-1.36.1

php74-xmlwriter-debuginfo: before 7.4.6-1.36.1

php74-xmlwriter: before 7.4.6-1.36.1

php74-xmlrpc-debuginfo: before 7.4.6-1.36.1

php74-xmlrpc: before 7.4.6-1.36.1

php74-xmlreader-debuginfo: before 7.4.6-1.36.1

php74-xmlreader: before 7.4.6-1.36.1

php74-tokenizer-debuginfo: before 7.4.6-1.36.1

php74-tokenizer: before 7.4.6-1.36.1

php74-tidy-debuginfo: before 7.4.6-1.36.1

php74-tidy: before 7.4.6-1.36.1

php74-sysvshm-debuginfo: before 7.4.6-1.36.1

php74-sysvshm: before 7.4.6-1.36.1

php74-sysvsem-debuginfo: before 7.4.6-1.36.1

php74-sysvsem: before 7.4.6-1.36.1

php74-sysvmsg-debuginfo: before 7.4.6-1.36.1

php74-sysvmsg: before 7.4.6-1.36.1

php74-sqlite-debuginfo: before 7.4.6-1.36.1

php74-sqlite: before 7.4.6-1.36.1

php74-sodium-debuginfo: before 7.4.6-1.36.1

php74-sodium: before 7.4.6-1.36.1

php74-sockets-debuginfo: before 7.4.6-1.36.1

php74-sockets: before 7.4.6-1.36.1

php74-soap-debuginfo: before 7.4.6-1.36.1

php74-soap: before 7.4.6-1.36.1

php74-snmp-debuginfo: before 7.4.6-1.36.1

php74-snmp: before 7.4.6-1.36.1

php74-shmop-debuginfo: before 7.4.6-1.36.1

php74-shmop: before 7.4.6-1.36.1

php74-readline-debuginfo: before 7.4.6-1.36.1

php74-readline: before 7.4.6-1.36.1

php74-posix-debuginfo: before 7.4.6-1.36.1

php74-posix: before 7.4.6-1.36.1

php74-phar-debuginfo: before 7.4.6-1.36.1

php74-phar: before 7.4.6-1.36.1

php74-pgsql-debuginfo: before 7.4.6-1.36.1

php74-pgsql: before 7.4.6-1.36.1

php74-pdo-debuginfo: before 7.4.6-1.36.1

php74-pdo: before 7.4.6-1.36.1

php74-pcntl-debuginfo: before 7.4.6-1.36.1

php74-pcntl: before 7.4.6-1.36.1

php74-openssl-debuginfo: before 7.4.6-1.36.1

php74-openssl: before 7.4.6-1.36.1

php74-opcache-debuginfo: before 7.4.6-1.36.1

php74-opcache: before 7.4.6-1.36.1

php74-odbc-debuginfo: before 7.4.6-1.36.1

php74-odbc: before 7.4.6-1.36.1

php74-mysql-debuginfo: before 7.4.6-1.36.1

php74-mysql: before 7.4.6-1.36.1

php74-mbstring-debuginfo: before 7.4.6-1.36.1

php74-mbstring: before 7.4.6-1.36.1

php74-ldap-debuginfo: before 7.4.6-1.36.1

php74-ldap: before 7.4.6-1.36.1

php74-json-debuginfo: before 7.4.6-1.36.1

php74-json: before 7.4.6-1.36.1

php74-intl-debuginfo: before 7.4.6-1.36.1

php74-intl: before 7.4.6-1.36.1

php74-iconv-debuginfo: before 7.4.6-1.36.1

php74-iconv: before 7.4.6-1.36.1

php74-gmp-debuginfo: before 7.4.6-1.36.1

php74-gmp: before 7.4.6-1.36.1

php74-gettext-debuginfo: before 7.4.6-1.36.1

php74-gettext: before 7.4.6-1.36.1

php74-gd-debuginfo: before 7.4.6-1.36.1

php74-gd: before 7.4.6-1.36.1

php74-ftp-debuginfo: before 7.4.6-1.36.1

php74-ftp: before 7.4.6-1.36.1

php74-fpm-debuginfo: before 7.4.6-1.36.1

php74-fpm: before 7.4.6-1.36.1

php74-fileinfo-debuginfo: before 7.4.6-1.36.1

php74-fileinfo: before 7.4.6-1.36.1

php74-fastcgi-debuginfo: before 7.4.6-1.36.1

php74-fastcgi: before 7.4.6-1.36.1

php74-exif-debuginfo: before 7.4.6-1.36.1

php74-exif: before 7.4.6-1.36.1

php74-enchant-debuginfo: before 7.4.6-1.36.1

php74-enchant: before 7.4.6-1.36.1

php74-dom-debuginfo: before 7.4.6-1.36.1

php74-dom: before 7.4.6-1.36.1

php74-dba-debuginfo: before 7.4.6-1.36.1

php74-dba: before 7.4.6-1.36.1

php74-curl-debuginfo: before 7.4.6-1.36.1

php74-curl: before 7.4.6-1.36.1

php74-ctype-debuginfo: before 7.4.6-1.36.1

php74-ctype: before 7.4.6-1.36.1

php74-calendar-debuginfo: before 7.4.6-1.36.1

php74-calendar: before 7.4.6-1.36.1

php74-bz2-debuginfo: before 7.4.6-1.36.1

php74-bz2: before 7.4.6-1.36.1

php74-bcmath-debuginfo: before 7.4.6-1.36.1

php74-bcmath: before 7.4.6-1.36.1

php74: before 7.4.6-1.36.1

apache2-mod_php74-debuginfo: before 7.4.6-1.36.1

apache2-mod_php74: before 7.4.6-1.36.1

php74-devel: before 7.4.6-1.36.1

php74-debugsource: before 7.4.6-1.36.1

php74-debuginfo: before 7.4.6-1.36.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:12:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP2-LTSS-ERICSSON:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:12-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_web_scripting:12:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit:12-SP5:*:*:*:*:*:*:*
• cpe:2.3:a:suse:php74-zlib-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-zlib:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-zip-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-zip:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-xsl-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-xsl:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-xmlwriter-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-xmlwriter:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-xmlrpc-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-xmlrpc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-xmlreader-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-xmlreader:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-tokenizer-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-tokenizer:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-tidy-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-tidy:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sysvshm-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sysvshm:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sysvsem-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sysvsem:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sysvmsg-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sysvmsg:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sqlite-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sqlite:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sodium-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sodium:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sockets-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-sockets:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-soap-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-soap:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-snmp-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-snmp:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-shmop-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-shmop:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-readline-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-readline:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-posix-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-posix:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-phar-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-phar:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-pgsql-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-pgsql:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-pdo-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-pdo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-pcntl-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-pcntl:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-openssl-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-openssl:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-opcache-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-opcache:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-odbc-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-odbc:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-mysql-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-mysql:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-mbstring-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-mbstring:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-ldap-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-ldap:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-json-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-json:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-intl-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-intl:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-iconv-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-iconv:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-gmp-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-gmp:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-gettext-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-gettext:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-gd-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-gd:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-ftp-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-ftp:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-fpm-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-fpm:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-fileinfo-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-fileinfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-fastcgi-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-fastcgi:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-exif-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-exif:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-enchant-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-enchant:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-dom-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-dom:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-dba-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-dba:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-curl-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-curl:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-ctype-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-ctype:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-calendar-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-calendar:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-bz2-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-bz2:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-bcmath-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-bcmath:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:apache2-mod_php74-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:apache2-mod_php74:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:php74-debuginfo:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20220654-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.