TITLE:
Xoops "xoopsConfig[language]" Local File Inclusion Vulnerability

SECUNIA ADVISORY ID:
SA17573

VERIFY ADVISORY:
http://secunia.com/advisories/17573/

CRITICAL:
Moderately critical

IMPACT:
Exposure of sensitive information

WHERE:
>From remote

SOFTWARE:
Xoops 2.x
http://secunia.com/product/327/

DESCRIPTION:
rgod has discovered a vulnerability in Xoops, which can be exploited
by malicious people to disclose sensitive information.

Input passed to the "xoopsConfig[language]" parameter in
"class/xoopseditor/textarea/editor_registry.php" isn't properly
verified, before it is used to include files. This can be exploited
to include arbitrary files from local resources.

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

The vulnerability has been confirmed in version 2.2.3. Other versions
may also be affected.

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

Set "register_globals" to "Off".

PROVIDED AND/OR DISCOVERED BY:
rgod

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