Re: [Full-disclosure] Remote Desktop Command Fixation Attacks

2007-10-15 Thread pdp (architect)
CQ, maybe I am making a huge mistake for responding to your message, but let see. this is what I think about security in depth in a bit more detail. let say that we have a wireless network which is guarded by "security in depth" network administrators. the first thing they will do is to secure t

Re: Remote Desktop Command Fixation Attacks

2007-10-15 Thread pdp (architect)
ok, I am not questioning whether it is needed or not... anyway, instead of mailing a huge chunk of text again and clogging everyones email account, I decided to post my thoughts on the blog where they should be anyway, here is the link: http://www.gnucitizen.org/blog/clear On 10/12/07, Thor (Hamm

RE: [Full-disclosure] Remote Desktop Command Fixation Attacks

2007-10-15 Thread Alex Everett
:[EMAIL PROTECTED] Sent: Thursday, October 11, 2007 8:28 AM To: pdp (architect); Thor (Hammer of God) Cc: [EMAIL PROTECTED]; bugtraq@securityfocus.com Subject: Re: [Full-disclosure] Remote Desktop Command Fixation Attacks Not to step in to the middle of this, but I once worked for an employer with

RE: Remote Desktop Command Fixation Attacks

2007-10-12 Thread Thor (Hammer of God)
CIL: > Thor, with no disrespect but you are wrong. Security in depth does not > work and I am not planning to support my argument in any way. This is > just my personal humble opinion. I've seen only failure of the > principles you mentioned. Security in depth works only in a perfect > world. The

RE: [Full-disclosure] Remote Desktop Command Fixation Attacks

2007-10-12 Thread Pete Simpson
Defence in depth is in question? After more than 20 years in compsec, the fallacy of the argument that defence in depth is dead is ironic. D.I.D. means that if defence A fails, B comes in. If B fails C comes in then D. etc. Though pdp is a very inventive youngster, it takes a few grey hairs to mast

Re: Remote Desktop Command Fixation Attacks

2007-10-12 Thread hvdkooij
pdp (architect) wrote: > Thor, with no disrespect but you are wrong. Security in depth does not > work and I am not planning to support my argument in any way. This is > just my personal humble opinion. I've seen only failure of the > principles you mentioned. Security in depth works only in a perf

RE: Remote Desktop Command Fixation Attacks

2007-10-11 Thread Jim Harrison
age- From: pdp (architect) [mailto:[EMAIL PROTECTED] Sent: Wednesday, October 10, 2007 5:17 PM To: Thor (Hammer of God) Cc: [EMAIL PROTECTED]; bugtraq@securityfocus.com Subject: Re: Remote Desktop Command Fixation Attacks Thor, with no disrespect but you are wrong. Security in depth does not work an

Re: Remote Desktop Command Fixation Attacks

2007-10-11 Thread pdp (architect)
in any way, > degrade the value of security in depth. In fact, it is a perfect > example *for* security in depth in that regard: if this "attack" > succeeds against anyone, it is not because security in depth does not > exist, it is because security in depth was not prac

Re: Remote Desktop Command Fixation Attacks

2007-10-11 Thread pdp (architect)
Steve, try to email someone from your company a batch file. i am sure that that will fail, mainly because you realize that it is a security risk. right? now try to email a .rdp or .ica file. it works 99% of all the time. second, please read the article. :) no offense, but you are completely missi

Re: [Full-disclosure] Remote Desktop Command Fixation Attacks

2007-10-11 Thread gjgowey
ED]> Cc:[EMAIL PROTECTED], bugtraq@securityfocus.com Subject: Re: [Full-disclosure] Remote Desktop Command Fixation Attacks Thor, with no disrespect but you are wrong. Security in depth does not work and I am not planning to support my argument in any way. This is just my personal humble o

RE: [Full-disclosure] Remote Desktop Command Fixation Attacks

2007-10-11 Thread Paul Melson
> Not to step in to the middle of this, but I once worked for an employer with what I > considered the best way of stopping attacks cold: a proxy server that prompted you for your > credentials when you went to an external web site and gp settings that disabled the ability > to save your usernam

Re: [Full-disclosure] Remote Desktop Command Fixation Attacks

2007-10-11 Thread pdp (architect)
gboyce, cheers... nice example! although I had something else in mind. maybe I shouldn't have used the term "security in depth" since your version differs a bit from mine. I guess different semantics. but yes, i agree that systems, processes, data, etc needs to be separated and blended into a balan

Re: [Full-disclosure] Remote Desktop Command Fixation Attacks

2007-10-11 Thread gboyce
On Thu, 11 Oct 2007, pdp (architect) wrote: Thor, with no disrespect but you are wrong. Security in depth does not work and I am not planning to support my argument in any way. This is just my personal humble opinion. I've seen only failure of the principles you mentioned. Security in depth work

RE: Remote Desktop Command Fixation Attacks

2007-10-11 Thread M. Burnett
mailto:[EMAIL PROTECTED] > Sent: Wednesday, October 10, 2007 4:11 PM > To: pdp (architect); [EMAIL PROTECTED]; > bugtraq@securityfocus.com > Subject: RE: Remote Desktop Command Fixation Attacks > > Security in depth is alive and well, thank you. In fact, it is > secu

RE: Remote Desktop Command Fixation Attacks

2007-10-10 Thread Thor (Hammer of God)
anyone, it is not because security in depth does not exist, it is because security in depth was not practiced. t -Original Message- From: pdp (architect) [mailto:[EMAIL PROTECTED] Sent: Wednesday, October 10, 2007 4:15 AM To: [EMAIL PROTECTED]; bugtraq@securityfocus.com Subject: Rem

Re: Remote Desktop Command Fixation Attacks

2007-10-10 Thread Steve Shockley
pdp (architect) wrote: The attack is rather simple. All the bad guys have to do is to compose a malicious RDP (for Windows Terminal Services) or ICA (for CITRIX) file and send it to the victim. The victim is persuaded to open the file by double clicking on it. When the connection is established,

Remote Desktop Command Fixation Attacks

2007-10-10 Thread pdp (architect)
http://www.gnucitizen.org/blog/remote-desktop-command-fixation-attacks Security in depth does not exist! No matter what you do, dedicated attackers will always be able to penetrate your network. Seriously! Information security is mostly about risk assessment and crisis management. When it comes