TITLE:
Nuked-Klan Script Insertion and SQL Injection Vulnerabilities

SECUNIA ADVISORY ID:
SA17304

VERIFY ADVISORY:
http://secunia.com/advisories/17304/

CRITICAL:
Moderately critical

IMPACT:
Cross Site Scripting, Manipulation of data

WHERE:
>From remote

SOFTWARE:
Nuked-Klan 1.x
http://secunia.com/product/1015/

DESCRIPTION:
papipsycho has reported some vulnerabilities in Nuked-Klan, which can
be exploited by malicious people to conduct script insertion and SQL
injection attacks.

1) Certain input passed in the "Search", "Guestbook", "Forum", and
"Textbox" modules isn't properly sanitised before being used. This
can be exploited to inject arbitrary HTML and script code, which will
be executed in a user's browser session in context of an affected site
when the malicious user data is viewed.

2) Input passed to the "forum_id", "thread_id", "link_id", "artid",
and "dl_id" parameters isn't properly sanitised before being used in
a SQL query. This can be exploited to manipulate SQL queries by
injecting arbitrary SQL code.

Successful exploitation requires that "magic_quotes_gpc" is
disabled.

The vulnerabilities have been reported in version 1.7. Prior versions
may also be affected.

SOLUTION:
Apply patch.
http://nk.gamez.solexine.fr/index.php?file=Download&op=description&dl_id=288

NOTE:
The patch does not properly fix the SQL injection vulnerabilities.

Edit the source code to ensure that input is properly sanitised.

PROVIDED AND/OR DISCOVERED BY:
papipsycho

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