TITLE:
FlatNuke PHP Script Creation Vulnerability

SECUNIA ADVISORY ID:
SA13709

VERIFY ADVISORY:
http://secunia.com/advisories/13709/

CRITICAL:
Highly critical

IMPACT:
Manipulation of data, System access

WHERE:
>From remote

SOFTWARE:
FlatNuke 2.x
http://secunia.com/product/4477/

DESCRIPTION:
Pierquinto "Mantra" Manco has reported a vulnerability in FlatNuke,
which can be exploited by malicious people to compromise a vulnerable
system.

Input passed to various parameters in "forum/index.php" is not
properly sanitised before being used to create a PHP script. This can
be exploited to execute arbitrary PHP script code by adding a new line
to the beginning of e.g. the "url_avatar" parameter.

The vulnerability has been reported in version 2.5.1. Other versions
may also be affected.

SOLUTION:
Update to version 2.5.2.
http://sourceforge.net/project/showfiles.php?group_id=93076

PROVIDED AND/OR DISCOVERED BY:
Pierquinto "Mantra" Manco

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