Olle,

On Wed, Mar 11, 2009 at 12:55 PM, olle <o...@nxs.se> wrote:
> Hi all!
>
> I am a security professional working with, among other things, large scale 
> vulnerability assessments.
> While evaluating w3af for use in automated scanning of discovered webservers 
> I found a couple of bugs.
>
> As Andres got fed up with being my personal support-monkey he suggested I 
> join up here and discuss
> any further issues with the community. ;) Thus I have a bug to report in the 
> 1.0-rc1 release.
>
> The webSpider module gets confused by Apache error pages and gets stuck in a 
> loop as the log shows:
>
> New URL found by webSpider plugin: 
> http://10.80.2.1/support/admin/Apache/Apache/1.3.23
> New URL found by webSpider plugin: 
> http://10.80.2.1/support/admin/Apache/Apache/Apache/1.3.23
> New URL found by webSpider plugin: 
> http://10.80.2.1/support/admin/Apache/Apache/Apache/Apache/1.3.23
> New URL found by webSpider plugin: 
> http://10.80.2.1/support/admin/Apache/Apache/Apache/Apache/Apache/1.3.23
>
> Where /support/admin looks like:
>
> HTTP/1.1 403 Forbidden
> date: Mon, 09 Mar 2009 15:54:21 GMT
> transfer-encoding: chunked
> content-type: text/html; charset=iso-8859-1
> server: Apache/1.3.23 (Unix) PHP/4.1.2
>
>
> <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
> <HTML><HEAD>
> <TITLE>403 Forbidden</TITLE>
> </HEAD><BODY>
> <H1>Forbidden</H1>
> You don't have permission to access /support/admin/
> on this server.<P>
> <HR>
> <ADDRESS>Apache/1.3.23 Server at xxx.xxx.xxx.xxx Port 80</ADDRESS>
> </BODY></HTML>

hmmm, I haven't tested it, but I think that if you "svn update" your
"branches/1.0" directory, you'll find a version that fixes this bug. I
simply changed the way that w3af detects 404 pages. The default was
"autodetect", which has proven to suck in practice; now I changed it
to "by Directory And Extension".

If you are interested, this code is in "fingerprint404Page.py"

> I hope I can be of more use to the community in the future when I might 
> actually have time to hunt down this type
> of bug and squash it. Also I have some ideas on how to improve certain 
> modules (localFileInclude etc.) that I'd
> like to discuss in this forum. I'll also be sharing the results of my 
> work-use of w3af with you soon...

We would really enjoy your input, feel free to send an email to this
mailing list any time!

/professional support monkey

> 'Til then,
>
> Cheers!
>
> /olle
>
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-- 
Andrés Riancho
http://www.bonsai-sec.com/
http://w3af.sourceforge.net/

------------------------------------------------------------------------------
Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are
powering Web 2.0 with engaging, cross-platform capabilities. Quickly and
easily build your RIAs with Flex Builder, the Eclipse(TM)based development
software that enables intelligent coding and step-through debugging.
Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com
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