TITLE:
Unclassified NewsBoard "ABBC[Config][smileset]" Local File Inclusion

SECUNIA ADVISORY ID:
SA20090

VERIFY ADVISORY:
http://secunia.com/advisories/20090/

CRITICAL:
Highly critical

IMPACT:
Exposure of sensitive information, System access

WHERE:
>From remote

SOFTWARE:
Unclassified NewsBoard 1.x (UNB)
http://secunia.com/product/5672/

DESCRIPTION:
rgod has reported a vulnerability in Unclassified NewsBoard, which
can be exploited by malicious people to disclose sensitive
information and compromise a vulnerable system.

Input passed to the "ABBC[Config][smileset]" parameter in
"unb_lib/abbc.css.php" isn't properly verified, before it is used to
include files. This can be exploited to include arbitrary files from
local resources.

This can further be exploited include arbitrary PHP code injected
into uploaded images.

Successful exploitation requires that "register_globals" is enabled
and that "magic_quotes_gpc" is disabled.

The vulnerability has been reported in version 1.6.1 Patch 1. Prior
versions may also be affected.

SOLUTION:
The vulnerability has been fixed in the development version (snapshot
2006-05-11).

Set "register_globals" to "Off".

PROVIDED AND/OR DISCOVERED BY:
rgod

ORIGINAL ADVISORY:
http://retrogod.altervista.org/unb_161p1_incl_xpl.html
http://newsboard.unclassified.de/forum/post/6499

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