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php -- vulnerability in RFC 1867 file upload processing

Description:

Stefano Di Paola discovered an issue with PHP that could allow someone to upload a file to any directory writeable by the httpd process. Any sanitizing performed on the prepended directory path is ignored. This bug can only be triggered if the $_FILES element name contains an underscore.

References:

Affects:

portaudit: php -- vulnerability in RFC 1867 file upload processing

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Oliver Eikemeier <eik@FreeBSD.org>