CVE-2019-11043

critical

Description

In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.

References

https://www.tenable.com/security/tns-2021-14

https://www.synology.com/security/advisory/Synology_SA_19_36

https://www.debian.org/security/2019/dsa-4553

https://www.debian.org/security/2019/dsa-4552

https://usn.ubuntu.com/4166-2/

https://usn.ubuntu.com/4166-1/

https://support.f5.com/csp/article/K75408500?utm_source=f5support&amp%3Butm_medium=RSS

https://support.apple.com/kb/HT210919

https://security.netapp.com/advisory/ntap-20191031-0003/

https://seclists.org/bugtraq/2020/Jan/44

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU/

https://access.redhat.com/errata/RHSA-2020:0322

https://access.redhat.com/errata/RHSA-2019:3736

https://access.redhat.com/errata/RHSA-2019:3735

https://access.redhat.com/errata/RHSA-2019:3724

https://access.redhat.com/errata/RHSA-2019:3300

https://access.redhat.com/errata/RHSA-2019:3299

https://access.redhat.com/errata/RHSA-2019:3287

https://access.redhat.com/errata/RHSA-2019:3286

http://seclists.org/fulldisclosure/2020/Jan/40

http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html

http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html

https://www.tenable.com/blog/cve-2019-11043-vulnerability-in-php-fpm-could-lead-to-remote-code-execution-on-nginx

https://github.com/neex/phuip-fpizdam

https://bugs.php.net/bug.php?id=78599

http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html

Details

Source: Mitre, NVD

Published: 2019-10-28

Updated: 2025-02-14

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.94105