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TITLE:
FCKEditor PHP File Upload Vulnerability

SECUNIA ADVISORY ID:
SA27123

VERIFY ADVISORY:
http://secunia.com/advisories/27123/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
FCKeditor 2.x
http://secunia.com/product/7973/

DESCRIPTION:
Janek Vind has reported a vulnerability in FCKEditor, which
potentially can be exploited by malicious people to compromise a
vulnerable system.

The vulnerability is caused due to an error in the handling of file
uploads in editor/filemanager/upload/php/upload.php when a filename
has multiple file extensions. This can be exploited to upload
malicious script files (e.g. a PHP script).

Successful exploitation may allow execution of script code depending
on the HTTP server configuration (it requires e.g. an Apache server
with the "mod_mime" module installed).

The vulnerability is reported in version 2.4.3. Prior versions may
also be affected.

SOLUTION:
Fixed in version 2.5 Beta.

PROVIDED AND/OR DISCOVERED BY:
Janek Vind

ORIGINAL ADVISORY:
http://www.waraxe.us/advisory-57.html

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