Resource Exhaustion Affecting php7-wddx package, versions <7.2.5-4.89.4
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Test your applications- Snyk ID SNYK-SLES150-PHP7WDDX-2642657
- published 14 Apr 2022
- disclosed 2 Mar 2022
Introduced: 2 Mar 2022
CVE-2015-9253 Open this link in a new tabHow to fix?
Upgrade SLES:15.0 php7-wddx to version 7.2.5-4.89.4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php7-wddx package and not the php7-wddx package as distributed by SLES.
See How to fix? for SLES:15.0 relevant fixed versions and status.
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
- https://www.suse.com/security/cve/CVE-2015-9253.html
- https://bugzilla.suse.com/1081790
- https://bugs.php.net/bug.php?id=75968
- https://bugs.php.net/bug.php?id=70185
- https://www.futureweb.at/security/CVE-2015-9253/
- https://github.com/php/php-src/commit/69dee5c732fe982c82edb17d0dbc3e79a47748d8
- https://bugs.php.net/bug.php?id=73342https://github.com/php/php-src/pull/3287
- https://github.com/php/php-src/blob/PHP-7.1.20/NEWS#L20-L22
- https://usn.ubuntu.com/3766-1/
- https://usn.ubuntu.com/4279-1/