[Full-disclosure] Denial of Service vulnerability in Megapolis.Portal Manager

["MustLive" <mustlive@xxxxxxxxxxxxxxxxxx>]

Hello list!

I want to warn you about Denial of Service vulnerability in Megapolis.Portal
Manager. It's commercial CMS from Softline, which in particularly widespread
among Ukrainian government sites (including ministry, parliament, two
special services and many other web sites). In 2006-2007 I already wrote
about multiple vulnerabilities at gov.ua sites on Megapolis.Portal Manager.

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Affected products:
-------------------------

Vulnerable are all versions of Megapolis.Portal Manager.

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Details:
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Denial of Service (WASC-10):

http://site/path/cewolf?img=1&width=10000&height=10000

By using large values in parameter width, height or in both parameters it's
possible to consume the whole memory of the server.

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Timeline:
------------

2010.12.24 - announced at my site.
2010.12.25 - informed developers.
2011.02.19 - disclosed at my site.

I mentioned about this vulnerability at my site
(http://websecurity.com.ua/4788/).

Best wishes & regards,
MustLive
Administrator of Websecurity web site
http://websecurity.com.ua 


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