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.
References
Link | Resource |
---|---|
https://bugs.php.net/bug.php?id=70185 | Exploit Issue Tracking Vendor Advisory |
https://bugs.php.net/bug.php?id=73342https://github.com/php/php-src/pull/3287 | Exploit Issue Tracking Vendor Advisory |
https://bugs.php.net/bug.php?id=75968 | Exploit Issue Tracking Vendor Advisory |
https://github.com/php/php-src/blob/PHP-7.1.20/NEWS#L20-L22 | Third Party Advisory |
https://github.com/php/php-src/commit/69dee5c732fe982c82edb17d0dbc3e79a47748d8 | Patch Third Party Advisory |
https://usn.ubuntu.com/3766-1/ | Third Party Advisory |
https://usn.ubuntu.com/4279-1/ | |
https://www.futureweb.at/security/CVE-2015-9253/ | Exploit Third Party Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2018-02-19T19:00:00
Updated: 2020-02-18T23:06:08
Reserved: 2018-02-19T00:00:00
Link: CVE-2015-9253
JSON object: View
NVD Information
Status : Modified
Published: 2018-02-19T19:29:00.483
Modified: 2020-02-19T00:15:10.490
Link: CVE-2015-9253
JSON object: View
Redhat Information
No data.
CWE