From: Sahir Hidayatullah (sahirh@mielesecurity.com)
Date: Fri Jun 10 2005 - 02:49:30 EDT
Good question!
Personally, I feel exploit repositories only speed up the time it takes to
identify whether an exploit exists or not. You'll invariably find that the
exploit code itself gives insufficient information about the vulnerability
in the comments, so you'll hit Securityfocus' or similar for more
information. You *could* just get the exploit from there, but when you're in
the middle of a test and you discover something not so standard (for example
some random embedded device) you want to quickly look up whether an exploit
exists.
If you have testers that are just gcc'ing the exploit and firing it at a
target without understanding the source, you're asking for trouble
especially with respect to non-standard systems.
What I have noticed is people relying too much on exploit repositories, they
will identify a system, search the repository, and if they don't find a
match, move on. This totally skips the creative process of approaching the
system manually looking for 'common' problems -- broken authentication,
default passwords etc.
The way I like to work is ID the systems and their services, and make a
table of exploits that I could tentatively use against each service. Then
move to manual testing, if nothing comes out of that, pick an exploit,
understand it, and if it passes the test, give it a shot.
That said, updatable exploit repositories like SecurityForest (CVS based)
are a godsend for managing your collection, and a great start for building
one.
Regards,
Sahir Hidayatullah
Technical Consultant - Information Security
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-----Original Message-----
From: Jeff [mailto:jb@jbware.net]
Sent: Friday, June 10, 2005 6:50 AM
To: pen-test@securityfocus.com
Subject: Exploit Repositories and Due Diligence
I have a question regarding the use of exploit repositories (including
projects like Metaploit, and compliations on bootable distros like Whoppix).
With all of the large exploit repositories used to make pen testing faster
and easier, what methods do you use to ensure you've done your due diligence
in not unleashing something actually harmful on your clients? I have my own
thoughts, such as googling and superficial|deep code reviews, but ultimately
my concern is over the malcious hiding of intentions. Thanks for any
insights and suggestions.
- Jeff
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