Educause Security Discussion mailing list archives

Re: Evaluating Rapid7's Nexpose


From: Steve Brukbacher <sab2 () UWM EDU>
Date: Thu, 12 Apr 2007 14:13:53 -0500

UW Milwaukee is also using this. We've been researching some potential
false positives on an Ubuntu box but in our experience we haven't see an
unreasonable number of false positives. In this case it looks like an
issue of the numbers used to identify patch levels that are creating
some false positives.  We are basing a scanning service on the product
but it's only a part of our overall strategy.

On the upside I love the reporting features and the fact that they
reference you to fixes for some problems.

I'd say the biggest problem is that sometimes it can't find the device
even though the address is on our net and publicly routable.   This then
returns a null set report.  We haven't been able to identify how to
allow for this on the assets themselves.  It does have a capability to
cache admin credentials which I've had some difficulty getting to work.

In general though scanning is only part of the picture in ensuring our
systems are meeting security requirements.  In that context I think it's
a good product.

--
Steve Brukbacher, CISSP
University of Wisconsin Milwaukee
Information Security Coordinator
UWM Computer Security Web Site
www.security.uwm.edu
Phone: 414.229.2224



Stelfox, Samuel G @ VTC wrote:
        Vermont Technical College uses NeXpose as well and we have had
mediocre experiences with it. It seems to miss some very serious
security holes, does not list all the services that are running (or even
make mention that the ports are open), and has a large number of false
positives. It claims to have "verified" most of these false positives.
        On the other hand it did provide reasonable solutions most of
the time that it detected a problem. I still highly recommend checking
the solution with other people online as some of the solutions were
excessive for a problem that it says may theoretically cause a problem
as long as it was used with an additional exploit. For example the ICMP
timestamp response.

                                - Sam Stelfox
-----Original Message-----
From: Michael Bayne [mailto:baynema () JMU EDU]
Sent: Wednesday, April 11, 2007 11:28 AM
To: SECURITY () LISTSERV EDUCAUSE EDU
Subject: [SECURITY] Evaluating Rapid7's Nexpose

We're currently evaluating Rapid7's Nexpose vulnerability scanner.  They
claim to have a large install base in education, so I thought I'd see if
any of you were using it and what your experience with it have been.

I'm particularly interested in your estimates of false positives/false
negatives, how you handle false positives in reporting, scalability,
experiences with Rapid7's technical support, how well its database and
web services scans work.

The marketing guy was pushing the fact that all the vulnerability checks
are stored in text files and custom vulnerability checks can be written.

  The scripting language for the checks seems to be proprietary,
however, which makes writing custom checks a tad bit hard without
documentation.  Has anyone tried to write custom checks?  Have you had
custom checks written for you by Rapid7?  Have you been able to get
documentation about scripting from Rapid7?

Any other thoughts you might want to share would be appreciated.

Thanks.


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