PaulDotCom mailing list archives

Re: SSL vs IPSec VPNs


From: "Baggett, Mark" <mark.baggett () morris com>
Date: Fri, 22 Oct 2010 14:09:34 -0400

Another nice thing about most SSL concentrators is your "client remediation" and/or "login scripts" can turn on tcp 
packet forwarding, disable antivirus, add registry keys, etc.   (With appropriate permission of course)

Credit or blame?   :)   Make checks payable to HFC.

Mark


-----Original Message-----
From: pauldotcom-bounces () mail pauldotcom com [mailto:pauldotcom-bounces () mail pauldotcom com] On Behalf Of Michael 
Douglas
Sent: Thursday, October 21, 2010 11:31 PM
To: PaulDotCom Security Weekly Mailing List
Cc: pauldotcom () pdc-mail pauldotcom com
Subject: Re: [Pauldotcom] SSL vs IPSec VPNs

Mark, that's straight up evil... I love it.  Just let me know what sorts of credit you want for that little trick.

It's every bit as good as me sending them status reports with a few extra payloads attached.

Customer: this file's encrypted
Me: Of course, you don't want a mail admin to be able to see this kind of sensitive data... here's how you open the file
Customer: Oh you need macros?  Why?
Me: Formatting.  And if you see any popups just click yes.


Sad thing is it *works*...


I *love* what I do for a living!  What a fun and amazing field.
- Mick

On Wed, Oct 20, 2010 at 9:58 AM, Baggett, Mark <mark.baggett () morris com> wrote:
This probably wont affect your purchasing decision, but I think it is 
interesting that most network admins don't really think twice about 
allowing their employees to use SSL VPN to connect to a third party 
network.   They don't think about the fact that some other admin (the 
one who owns the SSL VPN Concentrator) controls the split tunneling 
policy on the clients and decides whether or not your internal 
workstations can be used to pivot mercilessly through your environment.


Dear Pen test customer,
In order to provide you with instant, up to date access to the results 
of our ongoing penetration we have established a project status portal.
Obviously this data is sensitive and most be protected.  Please use 
the following username and password to login to our SSL VPN to access 
the status page.

Moooohahhahaa



-----Original Message-----
From: pauldotcom-bounces () mail pauldotcom com
[mailto:pauldotcom-bounces () mail pauldotcom com] On Behalf Of Michael 
Douglas
Sent: Tuesday, October 19, 2010 9:41 AM
To: pauldotcom () pdc-mail pauldotcom com
Subject: [Pauldotcom] SSL vs IPSec VPNs

Hey all,

I'm trying to determine what protocols should be permitted on a new 
VPN concentrator.

I'd like to stick with IPSec, it's tried and true, and to quote Garth:
"We fear change".  However, it seems that all the vendors are going 
down the SSL route.  Now I know SSL is 'safe', but it seems like it's 
more open to attacks like SSLStrip (thanks again Moxie for making us 
aware of the problems!)  I get that SSL is easier for administrators 
and end users alike, but is that convenience at too high a cost?

So what are your thoughts?  Am I being too paranoid?  If there are 
articles or places where I should RTFM, that's cool... I just need to 
know what FM to read!!  Please send the links/info  ;-)


Thanks for your input, and have a nice day!
- Mick
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