CVE-2009-3558
Description
From CVE.org
The posix_mkfifo function in ext/posix/posix.c in PHP before 5.2.12 and 5.3.x before 5.3.1 allows context-dependent attackers to bypass open_basedir restrictions, and create FIFO files, via the pathname and mode arguments, as demonstrated by creating a .htaccess file.
Statement
We do not consider safe_mode / open_basedir restriction bypass issues being security sensitive. For more details see https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=169857#c1 and https://www.php.net/security-note.php
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