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.

From the Tenable Blog

CVE-2019-11043: Vulnerability in PHP-FPM Could Lead to Remote Code Execution on nginx

Published: 2019-10-24

Web servers using nginx and PHP-FPM are vulnerable to this flaw under certain conditions. Background On October 22, security researcher Omar Ganiev published a tweet regarding a “freshly patched” remote code execution vulnerability in PHP-FPM, the FastCGI Process Manager (FPM) for PHP. The tweet includes a link to a GitHub repository containing a proof of concept (PoC) for the vulnerability.

References

• Advisories
• Exploits
• Tenable Blogs
• More

Details

Source: Mitre, NVD

Named Vulnerability: Nginx Buffer Overflow in FastCGI ModuleKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

CVSS v3

EPSS