CVE-2019-11043
Underflow in PHP-FPM can lead to RCE
PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
Required action
Apply updates per vendor instructions.
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2019-11043
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.
Severity
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:NAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| PHP | PHP | 7.1.x to <7.1.33 7.2.x to <7.2.24 7.3.x to <7.3.11 |
References
27 Links- https://github.com/neex/phuip-fpizdam
- https://bugs.php.net/bug.php?id=78599
- https://support.f5.com/csp/article/K75408500?utm_source=f5support&%3Butm_medium=RSS
- https://security.netapp.com/advisory/ntap-20191031-0003/
- https://www.synology.com/security/advisory/Synology_SA_19_36
- https://support.apple.com/kb/HT210919
- http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html
- https://www.tenable.com/security/tns-2021-14
Record Details
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Tool categories that test for or protect against this vulnerability class.
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