---
cve: "CVE-2019-11043"
severity: "HIGH"
cvss: 8.7
epss: "99.4%"
vendor: "PHP"
kev: true
exploited: true
published: "2019-10-28 15:15:13"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-05T17:14:21+02:00"
---

# CVE-2019-11043

> 8.7 HIGH · ⚠️ CISA KEV (1625 Tage) · 🔓 Exploited · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Exploit-Evidenz

- [EDB-48182 — PHP-FPM - Underflow Remote Code Execution (Metasploit)](https://www.exploit-db.com/exploits/48182) ✅
- [EDB-47553 — PHP-FPM + Nginx - Remote Code Execution](https://www.exploit-db.com/exploits/47553)

## Patch verfügbar (OSV)

- 326cd05dae2eb411d5fdacede8a4bfa7a0798182 (Commit)
- d41dd0b518cd831c50d0f441aa5fc561d55bff66 (Commit)

## Referenzen

- <https://github.com/neex/phuip-fpizdam>
- <https://bugs.php.net/bug.php?id=78599>
- <https://usn.ubuntu.com/4166-1/>
- <https://www.debian.org/security/2019/dsa-4552>
- <https://www.debian.org/security/2019/dsa-4553>
- <https://usn.ubuntu.com/4166-2/>
- <https://support.f5.com/csp/article/K75408500?utm_source=f5support&amp%3Butm_medium=RSS>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/>
- <https://security.netapp.com/advisory/ntap-20191031-0003/>
- <https://access.redhat.com/errata/RHSA-2019:3286>
- <https://access.redhat.com/errata/RHSA-2019:3287>
- <https://access.redhat.com/errata/RHSA-2019:3299>
- <https://access.redhat.com/errata/RHSA-2019:3300>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-11043) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_