Proof of concept
On Wed, 06 Apr 2005 14:53:18 +0800, pokley <[EMAIL PROTECTED]> wrote:
Products: runcms/e-xoops 1.1A (http://www.runcms.org)
Summary: runcms/e-xoops 1.1A and below file upload vulnerability
Description
===========
runcms/e-xoops is an extensible, OO (Object Oriented), easy to use dynamic web content management system
written in PHP. runcms/e-xoops is the ideal tool for developing small to large dynamic community websites,
intra company portals, corporate portals, weblogs and much more.
Details
=======
User may upload any file through file upload function .Example thought avatar upload when "Allow custom
avatar upload" is set to "Yes" in "Custom avatar settings". This setting is not on by default installation.
This is cause of fileupload class will recursively save any file suppied by user in upload function.
-- upload file.php line 240
if ( !empty($HTTP_POST_FILES) ) { foreach ($HTTP_POST_FILES as $filename => $value) {
Fix === Fix available from runcms/e-xoops forum. http://www.runcms.org/public/modules/newbb_plus/viewtopic.php?topic_id=3493&forum=16
Vendor Response
===============
30th March 2005 - Developer contacted through private msg
30th March 2005 - Developer reply for testing result
31st March 2005 - Developer announce to user to disable avatar upload setting
5th April 2005 - Fix Available
-- Using Opera's revolutionary e-mail client: http://www.opera.com/m2/
URL :
valid avatar file:
php script file:
upload dir:
extension:
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