openEuler update for php
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-21708 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software |
openEuler Operating systems & Components / Operating system php-intl Operating systems & Components / Operating system package or component php-soap Operating systems & Components / Operating system package or component php-opcache Operating systems & Components / Operating system package or component php-pdo Operating systems & Components / Operating system package or component php-tidy Operating systems & Components / Operating system package or component php-process Operating systems & Components / Operating system package or component php-odbc Operating systems & Components / Operating system package or component php-dba Operating systems & Components / Operating system package or component php-mysqlnd Operating systems & Components / Operating system package or component php-cli Operating systems & Components / Operating system package or component php-snmp Operating systems & Components / Operating system package or component php-dbg Operating systems & Components / Operating system package or component php-mbstring Operating systems & Components / Operating system package or component php-enchant Operating systems & Components / Operating system package or component php-xml Operating systems & Components / Operating system package or component php-debuginfo Operating systems & Components / Operating system package or component php-fpm Operating systems & Components / Operating system package or component php-devel Operating systems & Components / Operating system package or component php-pgsql Operating systems & Components / Operating system package or component php-gd Operating systems & Components / Operating system package or component php-ldap Operating systems & Components / Operating system package or component php-help Operating systems & Components / Operating system package or component php-debugsource Operating systems & Components / Operating system package or component php-common Operating systems & Components / Operating system package or component php-ffi Operating systems & Components / Operating system package or component php-embedded Operating systems & Components / Operating system package or component php-bcmath Operating systems & Components / Operating system package or component php-gmp Operating systems & Components / Operating system package or component php Operating systems & Components / Operating system package or component |
| Vendor | openEuler |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
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
DescriptionThe 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.
Install updates from vendor's repository.
Vulnerable software versionsopenEuler: 20.03 LTS SP2 - 20.03 LTS SP3
php-intl: before 8.0.0-7
php-soap: before 8.0.0-7
php-opcache: before 8.0.0-7
php-pdo: before 8.0.0-7
php-tidy: before 8.0.0-7
php-process: before 8.0.0-7
php-odbc: before 8.0.0-7
php-dba: before 8.0.0-7
php-mysqlnd: before 8.0.0-7
php-cli: before 8.0.0-7
php-snmp: before 8.0.0-7
php-dbg: before 8.0.0-7
php-mbstring: before 8.0.0-7
php-enchant: before 8.0.0-7
php-xml: before 8.0.0-7
php-debuginfo: before 8.0.0-7
php-fpm: before 8.0.0-7
php-devel: before 8.0.0-7
php-pgsql: before 8.0.0-7
php-gd: before 8.0.0-7
php-ldap: before 8.0.0-7
php-help: before 8.0.0-7
php-debugsource: before 8.0.0-7
php-common: before 8.0.0-7
php-ffi: before 8.0.0-7
php-embedded: before 8.0.0-7
php-bcmath: before 8.0.0-7
php-gmp: before 8.0.0-7
php: before 8.0.0-7
CPE2.3- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP2:*:*:*:*:*:*
- cpe:2.3:o:openeuler:openeuler:20.03:LTS SP3:*:*:*:*:*:*
- cpe:2.3:a:openeuler:php-intl:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-soap:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-opcache:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-pdo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-tidy:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-process:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-odbc:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-dba:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-mysqlnd:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-cli:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-snmp:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-dbg:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-mbstring:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-enchant:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-xml:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-debuginfo:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-fpm:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-devel:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-pgsql:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-gd:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-ldap:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-help:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-debugsource:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-common:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-ffi:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-embedded:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-bcmath:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php-gmp:*:*:*:*:*:openeuler:*:*
- cpe:2.3:a:openeuler:php:*:*:*:*:*:openeuler:*:*
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2022-1581
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.
