full-disclosure - Re: Putty Proxy login/password discolsure....

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Date: Wed, 25 Oct 2006 15:18:10 -0400
From: Matthew Flaschen <matthew.flaschen@...ech.edu>
To: Paul Schmehl <pauls@...allas.edu>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Putty Proxy login/password discolsure....

Sorry, I shouldn't have implied that was only true of Windows.  However, 
  you CAN'T access encrypted data with physical drive access.

Matt Flaschen

>> Windows offers no security against local users.  It is trivial to boot to
>> a program like ERD Commander and replace admin passwords.  On the other
>> hand, PuTTy is meant to protect against everyone; that's why it doesn't
>> allow saved passwords.  Thus, this seems like a vulnerability to me.
>>
> Unix offers no security against local users either.  If I can sit at the 
> console, I can login in single user mode, mount the drives rw and edit 
> /etc/passwd all day.
> 
> Furthermore, I can take any hard drive, with any file system on it, and 
> with the right tools I can read everything on the drive, even deleted 
> stuff.
> 
> So what's your point?  That when you own the box you own the box?
> 
> If you first have to own the box to get to the information, then it's 
> not a vulnerability.  It's not best practice, but it's not a vulnerability.
> 
> Paul Schmehl (pauls@...allas.edu)
> Senior Information Security Analyst
> The University of Texas at Dallas
> http://www.utdallas.edu/ir/security/
> 
> 
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