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TITLE:
PHP-Nuke Anti-Cross-Site Request Forgery Routine Bypass Vulnerability

SECUNIA ADVISORY ID:
SA24629

VERIFY ADVISORY:
http://secunia.com/advisories/24629/

CRITICAL:
Less critical

IMPACT:
Cross Site Scripting

WHERE:
>From remote

SOFTWARE:
PHP-Nuke 5.x
http://secunia.com/product/689/
PHP-Nuke 6.x
http://secunia.com/product/329/
PHP-Nuke 7.x
http://secunia.com/product/2385/
PHP-Nuke 8.x
http://secunia.com/product/13524/

DESCRIPTION:
A vulnerability has been discovered in PHP-Nuke, which can be
exploited by malicious people to conduct cross-site scripting or
cross-site request forgery attacks.

The vulnerability is caused due to an error within the
anti-cross-site request forgery routine. This can be exploited to
bypass the routine and e.g. execute arbitrary HTML and script code in
a user's browser session in context of an affected site by passing
malicious input to the search function of the downloads module.

Successful exploitation requires that "register_globals" is
disabled.

The vulnerability is confirmed in version 7.9 and reported in version
8. Other versions may also be affected.

SOLUTION:
Edit the source code to ensure that input is properly verified.

PROVIDED AND/OR DISCOVERED BY:
Francesco `ascii` Ongaro and Stefano `wisec` di Paola

ORIGINAL ADVISORY:
http://www.ush.it/2007/03/09/php-nuke-wild-post-xss/

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
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