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CVE-2019-11043

HIGH
Published 2019-10-28T14:19:04.252Z
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Expert Analysis

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CVSS Score

V3.1
8.7
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.941
probability
of exploitation in the wild

There is a 94.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.999
Higher than 99.9% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

PHP

PHP

Affected Versions:

7.1.x 7.2.x 7.3.x

Known Exploited Vulnerability

This vulnerability is actively being exploited in the wild

View KEV Details

Remediation Status

Overdue

Due Date

April 15, 2022

Added to KEV

March 25, 2022

Required Action

Apply updates per vendor instructions.

Affected Product

Vendor/Project: PHP
Product: FastCGI Process Manager (FPM)

Ransomware Risk

Known Ransomware Use
KEV Catalog Version: 2025.01.24 Released: January 24, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-6qjm-m8fp-j2mm

Advisory Details

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 Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2019-11043
WEB https://www.tenable.com/security/tns-2021-14
WEB https://www.synology.com/security/advisory/Synology_SA_19_36
WEB https://www.debian.org/security/2019/dsa-4553
WEB https://www.debian.org/security/2019/dsa-4552
WEB https://usn.ubuntu.com/4166-2
WEB https://usn.ubuntu.com/4166-1
WEB https://support.f5.com/csp/article/K75408500?utm_source=f5support&utm_medium=RSS
WEB https://support.f5.com/csp/article/K75408500?utm_source=f5support&amp%3Butm_medium=RSS
WEB https://support.apple.com/kb/HT210919
WEB https://security.netapp.com/advisory/ntap-20191031-0003
WEB https://seclists.org/bugtraq/2020/Jan/44
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M
WEB https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU
WEB https://github.com/neex/phuip-fpizdam
WEB https://bugs.php.net/bug.php?id=78599
WEB https://access.redhat.com/errata/RHSA-2020:0322
WEB https://access.redhat.com/errata/RHSA-2019:3736
WEB https://access.redhat.com/errata/RHSA-2019:3735
WEB https://access.redhat.com/errata/RHSA-2019:3724
WEB https://access.redhat.com/errata/RHSA-2019:3300
WEB https://access.redhat.com/errata/RHSA-2019:3299
WEB https://access.redhat.com/errata/RHSA-2019:3287
WEB https://access.redhat.com/errata/RHSA-2019:3286
WEB http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html
WEB http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html
WEB http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html
WEB http://seclists.org/fulldisclosure/2020/Jan/40

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: July 16, 2024

References

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/
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html
https://access.redhat.com/errata/RHSA-2019:3724
https://access.redhat.com/errata/RHSA-2019:3735
https://access.redhat.com/errata/RHSA-2019:3736
https://www.synology.com/security/advisory/Synology_SA_19_36
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html
https://support.apple.com/kb/HT210919
https://seclists.org/bugtraq/2020/Jan/44
http://seclists.org/fulldisclosure/2020/Jan/40
https://access.redhat.com/errata/RHSA-2020:0322
http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html
https://www.tenable.com/security/tns-2021-14

HackerOne Reports

CVE-2019-11043: a buffer underflow in fpm_main.c can lead to RCE in php-fpm Critical
neex
Internet Bug Bounty
$1500.00
Buffer Underflow
View Report
Docker image with FPM is vulnerable to CVE-2019-11043 Critical
beched
Nextcloud
Code Injection
View Report
Published: 2019-10-28T14:19:04.252Z
Last Modified: 2025-02-07T13:17:23.329Z
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