CVE-2015-9253

Severity CVSS v4.0:
Pending analysis
Type:
CWE-400 Uncontrolled Resource Consumption ('Resource Exhaustion')
Publication date:
19/02/2018
Last modified:
19/02/2020

Description

An issue was discovered in PHP 7.3.x before 7.3.0alpha3, 7.2.x before 7.2.8, and before 7.1.20. The php-fpm master process restarts a child process in an endless loop when using program execution functions (e.g., passthru, exec, shell_exec, or system) with a non-blocking STDIN stream, causing this master process to consume 100% of the CPU, and consume disk space with a large volume of error logs, as demonstrated by an attack by a customer of a shared-hosting facility.

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* 7.1.20 (excluding)
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* 7.2.0 (including) 7.2.8 (excluding)
cpe:2.3:a:php:php:7.3.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:php:php:7.3.0:alpha2:*:*:*:*:*:*