CVEs / CVE-2019-11043
CVE-2019-11043: PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability
- Known exploited in the CISA KEV catalog since 25 Mar 2022
- critical 9.8 CVSS 3.1 (NVD)
- EPSS 99.7% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
In some versions of PHP in certain configurations of FPM setup, it is possible to cause FPM module to write past allocated buffers allowing the possibility of remote code execution.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| PHP PHP | from 7.1.x, before 7.1.33 | 7.1.33 |
| PHP PHP | from 7.2.x, before 7.2.24 | 7.2.24 |
| PHP PHP | from 7.3.x, before 7.3.11 | 7.3.11 |
Exploitation
| In CISA KEV since | 25 Mar 2022 |
|---|---|
| Due date for US federal agencies | 15 Apr 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-120, CWE-787 |
References
- CVE-2019-11043 on NVD
- CVE-2019-11043 in the CISA KEV catalog
- CVE-2019-11043 on OSV
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2020/Jan/40 Mailing List, Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3286 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3287 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3299 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3300 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3724 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3735 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2019:3736 Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0322 Third Party Advisory
- https://bugs.php.net/bug.php?id=78599 Exploit, Issue Tracking, Patch, Vendor Advisory
- https://github.com/neex/phuip-fpizdam Exploit, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU/ Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/ Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/ Mailing List, Third Party Advisory
- https://seclists.org/bugtraq/2020/Jan/44 Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20191031-0003/ Third Party Advisory
- https://support.apple.com/kb/HT210919 Third Party Advisory
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.