bugtraq - RE: Microsoft Terminal Services vulnerable to MITM-attacks.

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Date: 03 Apr 2003 17:39:03 -0500
From: Devin Heitmueller <dheitmueller@...illa.com>
To: Larry Seltzer <larry@...ryseltzer.com>
Subject: RE: Microsoft Terminal Services vulnerable to MITM-attacks.

The ICA Protocol is also vulnerable.  They use Diffe-Hellman for key
agreement.  But there is no PKI in the protocol to verify the identity
of the server.

It's harder (because less of ICA has been reversed engineered), but it
is possible.

On Wed, 2003-04-02 at 19:09, Larry Seltzer wrote:
> >>RDP is vulnerable to Man In The Middle attacks (from here on referred to as MITM
> attacks). The attack works as follows:
> 
> Do you know if ICA (Citrix products) is also vulnerable?
> 
> LJS
-- 
Devin Heitmueller
Senior Software Engineer
Netilla Networks Inc