RE: MIT Magic cookie vulnerability automated checking?

From: Martin Jr., Wally G. (WALLY.G.MARTIN.JRat_private)
Date: Wed Oct 31 2001 - 09:46:44 PST

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    Randy,
    
    Perhaps what they were referring to is dsniff
    (http://www.monkey.org/~dugsong/dsniff/)? Check out the readme at:
    http://www.monkey.org/~dugsong/dsniff/CHANGES
    
    Best,
    Wally
    
    -----Original Message-----
    From: Graham, Randy (RAW) [mailto:RAWat_private]
    Sent: Wednesday, October 31, 2001 9:55 AM
    To: PEN-TESTat_private
    Subject: MIT Magic cookie vulnerability automated checking?
    
    
    We've just gone through an audit here at work.  One of the results of the
    audit is we are now required to expand out scanning scope (we use ISS for
    our scanning).  Of course, because of this we are seeing a lot of potential
    vulnerabilities without an easy way to see if we are actually vulnerable or
    not.  The latest one we are dealing with is the X MIT-Magic-cookie problem
    (CIAC published the information on this on November 20, 1995, so it is an
    old one).  Any system using xauth for authentication shows this as a
    potential vulnerability, and ISS says to check we have to look for various
    patches by vendor, or certain releases of X.  Well, now management tells us
    we have to go ahead and check every one of these systems.  CIAC says there
    are tools for exploiting this, but I can't find one anywhere on
    SecurityFocus, PacketStorm, or through google searches.  We have been told
    to find a tool to actually check if a system is vulnerable or not (even
    though we don't have permission to run the tool on our network yet...) and
    run it against every machine on the network (you know, in case our scanner
    missed one).
    
    Is anyone familiar with such a tool?  I don't even care if it allows us to
    actually exploit the system, but I have to show management something that we
    can point at a system and get a yes/no to the question "Is this machine
    vulnerable to the MIT-Magic-cookie vulnerability?"
    
    Randy Graham
    -- 
    
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