Snort mailing list archives

Re: False positive?


From: Joel Esler <jesler () sourcefire com>
Date: Mon, 11 Apr 2011 21:11:20 -0400

Unfortunately I'm not sure what to tell you, that website exactly matches
the vulnerability description and testing that we have done in house.
 Import of the same exact css time after time after time.

@import url("Home/AM-Home.css");
@import url("Home/AM-Home.css");
@import url("Home/AM-Home.css");

It's not a false positive, as that's the triggering condition for the
vulnerability. Poor web design?  Maybe, but there is a lot of really
interesting code on that page.  Take a look at the source.

J

On Mon, Apr 11, 2011 at 7:17 PM, Jefferson, Shawn <
Shawn.Jefferson () bcferries com> wrote:

 The following site triggered SID 1:18196 WEB-CLIENT Microsoft Internet
Explorer CSS importer use-after-free attempt.

hxxp://www.automagic.com/

It looks to me like a false positive, in that there doesn’t appear to be an
exploit, but just poor web design.  Can someone with more knowledge of how
this vulnerability is exploited take a look and share your thoughts?

Shawn




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-- 
Joel Esler | http://blog.snort.org | http://vrt-blog.snort.org |
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Forrester Wave Report - Recovery time is now measured in hours and minutes
not days. Key insights are discussed in the 2010 Forrester Wave Report as
part of an in-depth evaluation of disaster recovery service providers.
Forrester found the best-in-class provider in terms of services and vision.
Read this report now!  http://p.sf.net/sfu/ibm-webcastpromo
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