CVE-2019-11043

critical KEV

Published 2022-03-25 · Modified 2022-03-25

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CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

10.0

Description

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.

CISA KEV

Vendor: PHP
Product: FastCGI Process Manager (FPM)
Due date: 2022-04-15

Predictions

Exploit likelihood

99%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-48182 remote php verified

Metasploit · 2020-03-09

PHP-FPM - Underflow Remote Code Execution (Metasploit)

Source code queued for fetch — refresh in a moment.

EDB-47553 webapps php

Emil Lerner · 2019-10-28

PHP-FPM + Nginx - Remote Code Execution

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_multi/http/php_fpm_rce rank 300

PHP-FPM Underflow RCE

Source fetch failed: fetch_error — view the original via the link above.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Arch Fixed 1 release

Version	Status	Fixed in
—	Fixed	`7.3.11-1`

Red Hat Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

Rocky Linux Fixed 1 release

Version	Status	Fixed in
8	Fixed	—

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.