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Resource Exhaustion Affecting php7-xmlreader package, versions <7.2.5-4.89.4

Severity

 Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.58% (78th percentile)

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  • Snyk IDSNYK-SLES151-PHP7XMLREADER-2642130
  • published14 Apr 2022
  • disclosed2 Mar 2022
Report a new vulnerability Found a mistake?

Introduced: 2 Mar 2022

CVE-2015-9253  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 php7-xmlreader to version 7.2.5-4.89.4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php7-xmlreader package and not the php7-xmlreader package as distributed by SLES. See How to fix? for SLES:15.1 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.