Re: Remote crashes in Yahoo messenger

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I would also like to point out that messenger sends
the password in clear text.  I don't know if that has
been said before and if it has i'm sorry


--- Scott Woodward <scott@phoenixtechie.com> wrote:
>  All versions of Yahoo messenger version 5. Listens
> on port 5101 on client
> machine.  (obviously to
>  offload server traffic for IMs)
> 
>  problems:
>  (for all of the problems listed below, the traffic
> is sent to the yahoo
> messenger opened port, 5101)
> 
>  1.  One can crash yahoo messenger by overflowing
> the message field in the
>  yahoo protocol.
>  2.  One can crash yahoo messenger by overflowing
> the IMvironment field in
>  the yahoo protocol.
>  3.  One can send a message as a spoofed name.
>  4.  One can send many many messages from different
> names, flooding the
>  person.
>  5.  One can add a person to their buddy list
> (without their consent even),
>  then message them a few times and that persons IP
> address will be sent in a
>  message over yahoo's server.
> 
>  I would imagine there are many many more security
> problems to be found.
> 
> 
> 


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