Re: Vulnerability in all versions of DCForum from dcscripts.com

From: David Choi (dcscriptsat_private)
Date: Fri Feb 01 2002 - 10:39:54 PST

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    Let me add that this doesn't affect older versions of
    DCForum (DCF99, 98, 97) as those features do not
    include retrieving password feature.
    
    Thanks.
    
    David S. Choi
    DCScripts.com
    
    
    --- shimi <shimiat_private> wrote:
    > 
    > When a user requests a new password for his account,
    > a new password is
    > generated and sent to the requester (anyone that
    > knows the username+email
    > information, which is usually available in "user
    > profile").
    > 
    > The problem is that the password is simply the first
    > 6 characters of the
    > user's SessionID, which is, of course, known to
    > anybody who knows how to
    > see a value in a cookie.
    > 
    > Hence every user in the world can come to the board,
    > request a new
    > password for someone, and then login with that
    > username + 6 first
    > characters of the SessionID from the cookie.
    > 
    > The author has been notified (by me), and even
    > released a patch, but, as
    > it appears, didn't bother saying that here, where
    > most of the world will
    > be reading it, so I decided to do it myself.
    > 
    > Here's my post:
    >
    http://www.dcscripts.com/cgi-bin/dcforum/dcboard.cgi?az=read_count&om=1198&forum=dcfBug
    > 
    > And here's the patch:
    > http://www.dcscripts.com/bugtrac/DCForumID7/3.html
    > 
    >   Best regards,
    >      Shimi
    > 
    > 
    > ----
    > 
    >    "Outlook is a massive flaming horrid blatant
    > security violation, which
    >     also happens to be a mail reader."
    > 
    >    "Sure UNIX is user friendly; it's just picky
    > about who its friends are."
    > 
    >     Sign that you downloaded Linux from a bad
    > source:
    >     "My compiler keeps hanging on NSABackdoor.h !!!"
    > 
    
    
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