> Date: Sat, 16 Mar 2002 09:05:55 -1000
> From: Clifton Royston <[EMAIL PROTECTED]>
> 
> On Sat, Mar 16, 2002 at 08:30:50AM -0500, Alan Brown wrote:
> > I haven't seen this reported here
> 
> I've corresponded briefly with the author and tried to reproduce it.
> 
> I can't see the problem as described on any of my BSD/OS systems, e.g.
> when pasting a string of 2560 'a's at the initial prompt ('user'
> command input state.) qpopper reports a -ERR error message and, yes,
> fails to exit promptly as it should, but unlike the problem 
description
> it takes 0.0% CPU and terminates normally when the socket connection 
is
> broken by disconnecting.
> 
> I think it must be an OS-dependent problem, though there clearly is a
> bug there in its not cutting off the client promptly after the error.

Dustin said that he had only tested on RedHat 7.2 ...

>   -- Clifton
> 
> > ---------- Forwarded message ----------
> > Date: 15 Mar 2002 01:51:10 -0000
> > From: Dustin Childers <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Subject: Bug in QPopper (All Versions?)
> > 
> > 
> > Description:
> >   When sending a string that has 2048+ characters in
> > it, the
> >   in.qpopper or popper process will begin to use
> > massive
> >   amounts of CPU and will not stop until it is manually
> > killed.
> > 
> > Versions Affected:
> >   I tested this on 4.0.1 and 4.0.3.
> >   4.0.2 is probably vulnerable also.
> >   Older versions may also be vulnerable. I haven't
> > tested those.
> > 
> >   This works locally and remotely.
> > 
> > Patch Information:
> >   I attempted to patch this but I was not successful. I
> > found
> >   that the most reasonable place for this would be the
> > msg_buf
> >   in popper/main.c or msg_buf in
> > password/poppassd.c.
> > 
> > Dustin E. Childers
> > Security Administrator
> > http://www.digitux.net/
> 
> -- 
>  Clifton Royston  --  LavaNet Systems Architect --  [EMAIL PROTECTED]
>    WWJD?   "JWRTFM!" - Scott Dorsey (kludge)   "JWG" - Eddie Aikau

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